BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Frost Calendar//Washington 2027//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Washington frost & planting 2027 BEGIN:VEVENT UID:district-of-columbia-washington-2027-1@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270330 SUMMARY:Washington: typical last frost (32°F\, 50%) DESCRIPTION:Half of years have their last 32°F night by today. NOAA 1991 –2020 normals\, station National Arboretum DC (USC00186350). Long-term o dds\, not a forecast. Details: https://frostcalendar.com/district-of-colum bia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-2@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270411 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: safer last-frost date (32°F\, 10%) DESCRIPTION:About 1 year in 10 still has a 32°F night after today. NOAA 19 91–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-col umbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-3@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20271026 DTEND;VALUE=DATE:20271027 SUMMARY:Washington: early first-frost risk (32°F\, 10%) DESCRIPTION:About 1 year in 10 has its first 32°F night by today. NOAA 199 1–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-colu mbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-4@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20271108 DTEND;VALUE=DATE:20271109 SUMMARY:Washington: typical first frost (32°F\, 50%) DESCRIPTION:Half of years have had their first 32°F night by today. NOAA 1 991–2020 normals\, station National Arboretum DC (USC00186350). Long-ter m odds\, not a forecast. Details: https://frostcalendar.com/district-of-co lumbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-5@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270314 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Start tomato seeds indoors DESCRIPTION:Start tomato seeds indoors. Timing rule: CSU Extension / UNL Ex tension (see methodology). NOAA 1991–2020 normals\, station National Arb oretum DC (USC00186350). Long-term odds\, not a forecast. Details: https:/ /frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-6@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270502 DTEND;VALUE=DATE:20270503 SUMMARY:Washington: Tomatoes: transplant outdoors DESCRIPTION:Window from the typical-date anchor (May 2) to the safer anchor (May 2). Tomatoes: transplant outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National A rboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https ://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-7@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270220 DTEND;VALUE=DATE:20270307 SUMMARY:Washington: Start pepper seeds indoors DESCRIPTION:Start pepper seeds indoors. Timing rule: CSU Extension / UNL Ex tension (see methodology). NOAA 1991–2020 normals\, station National Arb oretum DC (USC00186350). Long-term odds\, not a forecast. Details: https:/ /frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-8@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270412 DTEND;VALUE=DATE:20270426 SUMMARY:Washington: Peppers: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Apr 12) to the safer ancho r (Apr 25). Peppers: transplant outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: http s://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-9@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270315 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Potatoes: plant (seed pieces) outdoors DESCRIPTION:Window from the typical-date anchor (Mar 15–29) to the safer anchor (Mar 28 – Apr 11). Potatoes: plant (seed pieces) outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 n ormals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washi ngton/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-10@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Onions (dry\, from sets): plant sets outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Onions (dry\, from sets): plant sets outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 n ormals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washi ngton/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-11@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Peas: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Peas: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nat ional Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details : https://frostcalendar.com/district-of-columbia/washington/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-12@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270821 DTEND;VALUE=DATE:20270822 SUMMARY:Washington: Last day to sow peas for a fall harvest DESCRIPTION:Last day to sow peas for a fall harvest. Timing rule: CSU Exten sion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Det ails: https://frostcalendar.com/district-of-columbia/washington/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-13@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Lettuce (leaf): direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Lettuce (leaf): direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, s tation National Arboretum DC (USC00186350). Long-term odds\, not a forecas t. Details: https://frostcalendar.com/district-of-columbia/washington/plan ting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-14@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270826 DTEND;VALUE=DATE:20270827 SUMMARY:Washington: Last day to sow lettuce (leaf) for a fall harvest DESCRIPTION:Last day to sow lettuce (leaf) for a fall harvest. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals \, station National Arboretum DC (USC00186350). Long-term odds\, not a for ecast. Details: https://frostcalendar.com/district-of-columbia/washington/ planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-15@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270315 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Carrots: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 15–29) to the safer anchor (Mar 28 – Apr 11). Carrots: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, s tation National Arboretum DC (USC00186350). Long-term odds\, not a forecas t. Details: https://frostcalendar.com/district-of-columbia/washington/plan ting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-16@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270816 DTEND;VALUE=DATE:20270817 SUMMARY:Washington: Last day to sow carrots for a fall harvest DESCRIPTION:Last day to sow carrots for a fall harvest. Timing rule: CSU Ex tension / UNL Extension (see methodology). NOAA 1991–2020 normals\, stat ion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/plantin g-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-17@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Beans (snap): direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 29) to the safer ancho r (Apr 11). Beans (snap): direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nati onal Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/planting-calend ar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-18@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270812 DTEND;VALUE=DATE:20270813 SUMMARY:Washington: Last day to sow beans (snap) for a fall harvest DESCRIPTION:Last day to sow beans (snap) for a fall harvest. Timing rule: C SU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/district-of-columbia/washington/pl anting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-19@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Summer squash: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 29) to the safer ancho r (Apr 11). Summer squash: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nat ional Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details : https://frostcalendar.com/district-of-columbia/washington/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-20@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270822 DTEND;VALUE=DATE:20270823 SUMMARY:Washington: Last day to sow summer squash for a fall harvest DESCRIPTION:Last day to sow summer squash for a fall harvest. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\ , station National Arboretum DC (USC00186350). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/district-of-columbia/washington/p lanting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-21@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270116 DTEND;VALUE=DATE:20270131 SUMMARY:Washington: Start broccoli seeds indoors DESCRIPTION:Start broccoli seeds indoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National A rboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https ://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-22@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Broccoli: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Broccoli: transplant outdoors. Timing rule: CSU Exten sion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Det ails: https://frostcalendar.com/district-of-columbia/washington/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-23@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270703 DTEND;VALUE=DATE:20270718 SUMMARY:Washington: Start broccoli seeds indoors for a fall crop DESCRIPTION:Start broccoli seeds indoors for a fall crop. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, st ation National Arboretum DC (USC00186350). Long-term odds\, not a forecast . Details: https://frostcalendar.com/district-of-columbia/washington/plant ing-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-24@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270821 DTEND;VALUE=DATE:20270822 SUMMARY:Washington: Last day to set out broccoli transplants for a fall har vest DESCRIPTION:Last day to set out broccoli transplants for a fall harvest. Ti ming rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–20 20 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/w ashington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-25@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270116 DTEND;VALUE=DATE:20270131 SUMMARY:Washington: Start cabbage seeds indoors DESCRIPTION:Start cabbage seeds indoors. Timing rule: CSU Extension / UNL E xtension (see methodology). NOAA 1991–2020 normals\, station National Ar boretum DC (USC00186350). Long-term odds\, not a forecast. Details: https: //frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-26@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Cabbage: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Cabbage: transplant outdoors. Timing rule: CSU Extens ion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Deta ils: https://frostcalendar.com/district-of-columbia/washington/planting-ca lendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-27@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270613 DTEND;VALUE=DATE:20270628 SUMMARY:Washington: Start cabbage seeds indoors for a fall crop DESCRIPTION:Start cabbage seeds indoors for a fall crop. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/planti ng-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-28@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270801 DTEND;VALUE=DATE:20270802 SUMMARY:Washington: Last day to set out cabbage transplants for a fall harv est DESCRIPTION:Last day to set out cabbage transplants for a fall harvest. Tim ing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–202 0 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/wa shington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-29@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270130 DTEND;VALUE=DATE:20270214 SUMMARY:Washington: Start cauliflower seeds indoors DESCRIPTION:Start cauliflower seeds indoors. Timing rule: CSU Extension / U NL Extension (see methodology). NOAA 1991–2020 normals\, station Nationa l Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: ht tps://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-30@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270315 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Cauliflower: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Mar 15–29) to the safer anchor (Mar 28 – Apr 11). Cauliflower: transplant outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals \, station National Arboretum DC (USC00186350). Long-term odds\, not a for ecast. Details: https://frostcalendar.com/district-of-columbia/washington/ planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-31@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Kohlrabi: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Kohlrabi: direct sow outdoors. Timing rule: CSU Exten sion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Det ails: https://frostcalendar.com/district-of-columbia/washington/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-32@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270905 DTEND;VALUE=DATE:20270906 SUMMARY:Washington: Last day to sow kohlrabi for a fall harvest DESCRIPTION:Last day to sow kohlrabi for a fall harvest. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/planti ng-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-33@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Green onions: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Green onions: direct sow outdoors. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/planti ng-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-34@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270826 DTEND;VALUE=DATE:20270827 SUMMARY:Washington: Last day to sow green onions for a fall harvest DESCRIPTION:Last day to sow green onions for a fall harvest. Timing rule: C SU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/district-of-columbia/washington/pl anting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-35@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Radishes: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Radishes: direct sow outdoors. Timing rule: CSU Exten sion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Det ails: https://frostcalendar.com/district-of-columbia/washington/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-36@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270925 DTEND;VALUE=DATE:20270926 SUMMARY:Washington: Last day to sow radishes for a fall harvest DESCRIPTION:Last day to sow radishes for a fall harvest. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/planti ng-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-37@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Spinach: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Spinach: direct sow outdoors. Timing rule: CSU Extens ion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Deta ils: https://frostcalendar.com/district-of-columbia/washington/planting-ca lendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-38@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270915 DTEND;VALUE=DATE:20270916 SUMMARY:Washington: Last day to sow spinach for a fall harvest DESCRIPTION:Last day to sow spinach for a fall harvest. Timing rule: CSU Ex tension / UNL Extension (see methodology). NOAA 1991–2020 normals\, stat ion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/plantin g-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-39@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270301 DTEND;VALUE=DATE:20270329 SUMMARY:Washington: Turnips: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 1–15) to the safer a nchor (Mar 14–28). Turnips: direct sow outdoors. Timing rule: CSU Extens ion / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Deta ils: https://frostcalendar.com/district-of-columbia/washington/planting-ca lendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-40@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270905 DTEND;VALUE=DATE:20270906 SUMMARY:Washington: Last day to sow turnips for a fall harvest DESCRIPTION:Last day to sow turnips for a fall harvest. Timing rule: CSU Ex tension / UNL Extension (see methodology). NOAA 1991–2020 normals\, stat ion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/plantin g-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-41@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270315 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Beets: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 15–29) to the safer anchor (Mar 28 – Apr 11). Beets: direct sow outdoors. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https://frostcalendar.com/district-of-columbia/washington/planti ng-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-42@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270826 DTEND;VALUE=DATE:20270827 SUMMARY:Washington: Last day to sow beets for a fall harvest DESCRIPTION:Last day to sow beets for a fall harvest. Timing rule: CSU Exte nsion / UNL Extension (see methodology). NOAA 1991–2020 normals\, statio n National Arboretum DC (USC00186350). Long-term odds\, not a forecast. De tails: https://frostcalendar.com/district-of-columbia/washington/planting- calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-43@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270315 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Swiss chard: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 15–29) to the safer anchor (Mar 28 – Apr 11). Swiss chard: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals \, station National Arboretum DC (USC00186350). Long-term odds\, not a for ecast. Details: https://frostcalendar.com/district-of-columbia/washington/ planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-44@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270826 DTEND;VALUE=DATE:20270827 SUMMARY:Washington: Last day to sow swiss chard for a fall harvest DESCRIPTION:Last day to sow swiss chard for a fall harvest. Timing rule: CS U Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a foreca st. Details: https://frostcalendar.com/district-of-columbia/washington/pla nting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-45@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270315 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Parsnips: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 15–29) to the safer anchor (Mar 28 – Apr 11). Parsnips: direct sow outdoors. Timing rule: CS U Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a foreca st. Details: https://frostcalendar.com/district-of-columbia/washington/pla nting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-46@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Sweet corn: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 29) to the safer ancho r (Apr 11). Sweet corn: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nation al Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: h ttps://frostcalendar.com/district-of-columbia/washington/planting-calendar / TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-47@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270412 SUMMARY:Washington: Cucumbers: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Mar 29) to the safer ancho r (Apr 11). Cucumbers: direct sow outdoors. Timing rule: CSU Extension / U NL Extension (see methodology). NOAA 1991–2020 normals\, station Nationa l Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: ht tps://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-48@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270817 DTEND;VALUE=DATE:20270818 SUMMARY:Washington: Last day to sow cucumbers for a fall harvest DESCRIPTION:Last day to sow cucumbers for a fall harvest. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, st ation National Arboretum DC (USC00186350). Long-term odds\, not a forecast . Details: https://frostcalendar.com/district-of-columbia/washington/plant ing-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-49@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270213 DTEND;VALUE=DATE:20270307 SUMMARY:Washington: Start eggplant seeds indoors DESCRIPTION:Start eggplant seeds indoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station National A rboretum DC (USC00186350). Long-term odds\, not a forecast. Details: https ://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-50@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270412 DTEND;VALUE=DATE:20270426 SUMMARY:Washington: Eggplant: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Apr 12) to the safer ancho r (Apr 25). Eggplant: transplant outdoors. Timing rule: CSU Extension / UN L Extension (see methodology). NOAA 1991–2020 normals\, station National Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: htt ps://frostcalendar.com/district-of-columbia/washington/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-51@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270412 DTEND;VALUE=DATE:20270426 SUMMARY:Washington: Cantaloupe: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 12) to the safer ancho r (Apr 25). Cantaloupe: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nation al Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: h ttps://frostcalendar.com/district-of-columbia/washington/planting-calendar / TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-52@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270412 DTEND;VALUE=DATE:20270426 SUMMARY:Washington: Watermelon: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 12) to the safer ancho r (Apr 25). Watermelon: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nation al Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details: h ttps://frostcalendar.com/district-of-columbia/washington/planting-calendar / TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT BEGIN:VEVENT UID:district-of-columbia-washington-2027-53@frostcalendar.com DTSTAMP:20261008T171513Z DTSTART;VALUE=DATE:20270412 DTEND;VALUE=DATE:20270426 SUMMARY:Washington: Winter squash: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 12) to the safer ancho r (Apr 25). Winter squash: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Nat ional Arboretum DC (USC00186350). Long-term odds\, not a forecast. Details : https://frostcalendar.com/district-of-columbia/washington/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/district-of-columbia/washington/planting-cale ndar/ END:VEVENT END:VCALENDAR