Granada, CO 81041 Frost Dates
When can you plant in Granada, CO?
Typically, the last spring freeze lands around 05/01, roughly 246 days out. The first fall frost typically arrives around 10/12, about 163 frost-free days later.
Granada sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 6 weeks of growing season left in Granada before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Granada compares
Granada's growing season runs about 163 days, ranking 31,516 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 70 of 624.
Learn more
local microclimates covers what one yard in Granada can differ from the 81041 normal. zone vs. frost date covers why Zone 6a and Granada's frost date answer different questions.