FrostDateCheck

La Junta, CO 81050 Frost Dates

When can you plant in La Junta, CO?

Zone 6a

The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/15, about 171 frost-free days later.

Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for La Junta, not a forecast for this year.

What to do before the first frost

About 7 weeks of growing season left in La Junta before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around La Junta's last frost

04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.

How La Junta compares

About 171 days separate La Junta's last and first frost, putting it 28,619 of 40,283 ZIP codes nationally. Within CO, it ranks 22 of 624.

Learn more

zone vs. frost date covers why Zone 6a and La Junta's frost date answer different questions. the frost range covers how to read the range around La Junta's dates instead of trusting one.