BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Frost Calendar//Centennial 2027//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Centennial frost & planting 2027 BEGIN:VEVENT UID:colorado-centennial-2027-1@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270505 DTEND;VALUE=DATE:20270506 SUMMARY:Centennial: typical last frost (32°F\, 50%) DESCRIPTION:Half of years have their last 32°F night by today. NOAA 1991 –2020 normals\, station Denver Centennial Airport (USW00093067). Long-te rm odds\, not a forecast. Details: https://frostcalendar.com/colorado/cent ennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-2@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270517 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long- term odds\, not a forecast. Details: https://frostcalendar.com/colorado/ce ntennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-3@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270925 DTEND;VALUE=DATE:20270926 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-t erm odds\, not a forecast. Details: https://frostcalendar.com/colorado/cen tennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-4@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20271008 DTEND;VALUE=DATE:20271009 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long -term odds\, not a forecast. Details: https://frostcalendar.com/colorado/c entennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-5@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270427 DTEND;VALUE=DATE:20270512 SUMMARY:Centennial: Start tomato seeds indoors DESCRIPTION:Start tomato seeds indoors. Timing rule: CSU Extension / UNL Ex tension (see methodology). NOAA 1991–2020 normals\, station Denver Cente nnial Airport (USW00093067). Long-term odds\, not a forecast. Details: htt ps://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-6@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270615 DTEND;VALUE=DATE:20270616 SUMMARY:Centennial: Tomatoes: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Jun 15) to the safer ancho r (Jun 15). Tomatoes: transplant outdoors. Timing rule: CSU Extension / UN L Extension (see methodology). NOAA 1991–2020 normals\, station Denver C entennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-7@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270329 DTEND;VALUE=DATE:20270413 SUMMARY:Centennial: Start pepper seeds indoors DESCRIPTION:Start pepper seeds indoors. Timing rule: CSU Extension / UNL Ex tension (see methodology). NOAA 1991–2020 normals\, station Denver Cente nnial Airport (USW00093067). Long-term odds\, not a forecast. Details: htt ps://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-8@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270519 DTEND;VALUE=DATE:20270601 SUMMARY:Centennial: Peppers: transplant outdoors DESCRIPTION:Window from the typical-date anchor (May 19) to the safer ancho r (May 31). Peppers: transplant outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Ce ntennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-9@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270421 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Potatoes: plant (seed pieces) outdoors DESCRIPTION:Window from the typical-date anchor (Apr 21 – May 5) to the s afer anchor (May 3–17). Potatoes: plant (seed pieces) outdoors. Timing r ule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 nor mals\, station Denver Centennial Airport (USW00093067). Long-term odds\, n ot a forecast. Details: https://frostcalendar.com/colorado/centennial/plan ting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-10@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Onions (dry\, from sets): plant sets outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Onions (dry\, from sets): plant sets outdoors. T iming rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2 020 normals\, station Denver Centennial Airport (USW00093067). Long-term o dds\, not a forecast. Details: https://frostcalendar.com/colorado/centenni al/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-11@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Peas: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Peas: direct sow outdoors. Timing rule: CSU Exte nsion / UNL Extension (see methodology). NOAA 1991–2020 normals\, statio n Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast . Details: https://frostcalendar.com/colorado/centennial/planting-calendar / TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-12@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270721 DTEND;VALUE=DATE:20270722 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-13@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Lettuce (leaf): direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Lettuce (leaf): direct sow outdoors. Timing rule : CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normal s\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/plantin g-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-14@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270726 DTEND;VALUE=DATE:20270727 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting -calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-15@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270421 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Carrots: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 21 – May 5) to the s afer anchor (May 3–17). Carrots: direct sow outdoors. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-16@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270716 DTEND;VALUE=DATE:20270717 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a foreca st. Details: https://frostcalendar.com/colorado/centennial/planting-calend ar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-17@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270505 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Beans (snap): direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 5) to the safer anchor (May 17). Beans (snap): direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denve r Centennial Airport (USW00093067). Long-term odds\, not a forecast. Detai ls: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-18@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270712 DTEND;VALUE=DATE:20270713 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a f orecast. Details: https://frostcalendar.com/colorado/centennial/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-19@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270505 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Summer squash: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 5) to the safer anchor (May 17). Summer squash: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denv er Centennial Airport (USW00093067). Long-term odds\, not a forecast. Deta ils: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-20@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270722 DTEND;VALUE=DATE:20270723 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting- calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-21@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270222 DTEND;VALUE=DATE:20270309 SUMMARY:Centennial: Start broccoli seeds indoors DESCRIPTION:Start broccoli seeds indoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Cen tennial Airport (USW00093067). Long-term odds\, not a forecast. Details: h ttps://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-22@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Broccoli: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Broccoli: transplant outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, st ation Denver Centennial Airport (USW00093067). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/colorado/centennial/planting-cale ndar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-23@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270602 DTEND;VALUE=DATE:20270617 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/colorado/centennial/planting-cale ndar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-24@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270721 DTEND;VALUE=DATE:20270722 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term od ds\, not a forecast. Details: https://frostcalendar.com/colorado/centennia l/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-25@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270222 DTEND;VALUE=DATE:20270309 SUMMARY:Centennial: Start cabbage seeds indoors DESCRIPTION:Start cabbage seeds indoors. Timing rule: CSU Extension / UNL E xtension (see methodology). NOAA 1991–2020 normals\, station Denver Cent ennial Airport (USW00093067). Long-term odds\, not a forecast. Details: ht tps://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-26@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Cabbage: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Cabbage: transplant outdoors. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-27@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270513 DTEND;VALUE=DATE:20270528 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-28@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270701 DTEND;VALUE=DATE:20270702 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odd s\, not a forecast. Details: https://frostcalendar.com/colorado/centennial /planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-29@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270308 DTEND;VALUE=DATE:20270323 SUMMARY:Centennial: Start cauliflower seeds indoors DESCRIPTION:Start cauliflower seeds indoors. Timing rule: CSU Extension / U NL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details : https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-30@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270421 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Cauliflower: transplant outdoors DESCRIPTION:Window from the typical-date anchor (Apr 21 – May 5) to the s afer anchor (May 3–17). Cauliflower: transplant outdoors. Timing rule: C SU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a f orecast. Details: https://frostcalendar.com/colorado/centennial/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-31@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Kohlrabi: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Kohlrabi: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, st ation Denver Centennial Airport (USW00093067). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/colorado/centennial/planting-cale ndar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-32@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270805 DTEND;VALUE=DATE:20270806 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-33@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Green onions: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Green onions: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\ , station Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting- calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-34@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270726 DTEND;VALUE=DATE:20270727 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a f orecast. Details: https://frostcalendar.com/colorado/centennial/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-35@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Radishes: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Radishes: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, st ation Denver Centennial Airport (USW00093067). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/colorado/centennial/planting-cale ndar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-36@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270825 DTEND;VALUE=DATE:20270826 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-37@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Spinach: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Spinach: direct sow outdoors. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-38@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270815 DTEND;VALUE=DATE:20270816 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a foreca st. Details: https://frostcalendar.com/colorado/centennial/planting-calend ar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-39@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270407 DTEND;VALUE=DATE:20270504 SUMMARY:Centennial: Turnips: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 7–21) to the safer a nchor (Apr 19 – May 3). Turnips: direct sow outdoors. Timing rule: CSU E xtension / UNL Extension (see methodology). NOAA 1991–2020 normals\, sta tion Denver Centennial Airport (USW00093067). Long-term odds\, not a forec ast. Details: https://frostcalendar.com/colorado/centennial/planting-calen dar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-40@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270805 DTEND;VALUE=DATE:20270806 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a foreca st. Details: https://frostcalendar.com/colorado/centennial/planting-calend ar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-41@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270421 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Beets: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 21 – May 5) to the s afer anchor (May 3–17). Beets: direct sow outdoors. Timing rule: CSU Ext ension / UNL Extension (see methodology). NOAA 1991–2020 normals\, stati on Denver Centennial Airport (USW00093067). Long-term odds\, not a forecas t. Details: https://frostcalendar.com/colorado/centennial/planting-calenda r/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-42@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270726 DTEND;VALUE=DATE:20270727 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast . Details: https://frostcalendar.com/colorado/centennial/planting-calendar / TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-43@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270421 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Swiss chard: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 21 – May 5) to the s afer anchor (May 3–17). Swiss chard: direct sow outdoors. Timing rule: C SU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a f orecast. Details: https://frostcalendar.com/colorado/centennial/planting-c alendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-44@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270726 DTEND;VALUE=DATE:20270727 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a fo recast. Details: https://frostcalendar.com/colorado/centennial/planting-ca lendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-45@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270421 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Parsnips: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (Apr 21 – May 5) to the s afer anchor (May 3–17). Parsnips: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, st ation Denver Centennial Airport (USW00093067). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/colorado/centennial/planting-cale ndar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-46@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270505 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Sweet corn: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 5) to the safer anchor (May 17). Sweet corn: direct sow outdoors. Timing rule: CSU Extension / U NL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Details : https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-47@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270505 DTEND;VALUE=DATE:20270518 SUMMARY:Centennial: Cucumbers: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 5) to the safer anchor (May 17). Cucumbers: direct sow outdoors. Timing rule: CSU Extension / UN L Extension (see methodology). NOAA 1991–2020 normals\, station Denver C entennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-48@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270717 DTEND;VALUE=DATE:20270718 SUMMARY:Centennial: 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 Denver Centennial Airport (USW00093067). Long-term odds\, not a fore cast. Details: https://frostcalendar.com/colorado/centennial/planting-cale ndar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-49@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270322 DTEND;VALUE=DATE:20270413 SUMMARY:Centennial: Start eggplant seeds indoors DESCRIPTION:Start eggplant seeds indoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Cen tennial Airport (USW00093067). Long-term odds\, not a forecast. Details: h ttps://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-50@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270519 DTEND;VALUE=DATE:20270601 SUMMARY:Centennial: Eggplant: transplant outdoors DESCRIPTION:Window from the typical-date anchor (May 19) to the safer ancho r (May 31). Eggplant: transplant outdoors. Timing rule: CSU Extension / UN L Extension (see methodology). NOAA 1991–2020 normals\, station Denver C entennial Airport (USW00093067). Long-term odds\, not a forecast. Details: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-51@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270519 DTEND;VALUE=DATE:20270601 SUMMARY:Centennial: Cantaloupe: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 19) to the safer ancho r (May 31). Cantaloupe: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Detail s: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-52@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270519 DTEND;VALUE=DATE:20270601 SUMMARY:Centennial: Watermelon: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 19) to the safer ancho r (May 31). Watermelon: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Detail s: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-53@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20270519 DTEND;VALUE=DATE:20270601 SUMMARY:Centennial: Winter squash: direct sow outdoors DESCRIPTION:Window from the typical-date anchor (May 19) to the safer ancho r (May 31). Winter squash: direct sow outdoors. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Den ver Centennial Airport (USW00093067). Long-term odds\, not a forecast. Det ails: https://frostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT BEGIN:VEVENT UID:colorado-centennial-2027-54@frostcalendar.com DTSTAMP:20261008T171512Z DTSTART;VALUE=DATE:20271001 DTEND;VALUE=DATE:20271015 SUMMARY:Centennial: Plant garlic cloves DESCRIPTION:Plant garlic cloves. Timing rule: CSU Extension / UNL Extension (see methodology). NOAA 1991–2020 normals\, station Denver Centennial A irport (USW00093067). Long-term odds\, not a forecast. Details: https://fr ostcalendar.com/colorado/centennial/planting-calendar/ TRANSP:TRANSPARENT URL:https://frostcalendar.com/colorado/centennial/planting-calendar/ END:VEVENT END:VCALENDAR