Edgewater, CO 80259 Frost Dates
When can you plant in Edgewater, CO?
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/12, about 165 frost-free days later.
The USDA Plant Hardiness Zone Map puts Edgewater in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 6 weeks of growing season left in Edgewater before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Edgewater's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Edgewater compares
About 165 days separate Edgewater's last and first frost, putting it 30,545 of 40,283 ZIP codes nationally. Within CO, it ranks 43 of 624.
Learn more
zone vs. frost date covers why Zone 6a and Edgewater's frost date answer different questions. the frost range covers how to read the range around Edgewater's dates instead of trusting one.