Frost Dates for Pagosa Springs, CO 81147

Last spring frost June 25 · First fall frost August 31 · 67 frost-free days · USDA Zone 5b

Frost probability for 81147

Frost10%50%90%
Spring (last frost)July 12June 25June 8
Fall (first frost)August 13August 31September 18

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (39.7 km away); the 50% date is the median year.

Month by month in Pagosa Springs

MonthWhat to do
JanuaryPlan your garden layout and order seeds. Research varieties suited to your frost dates.
FebruaryStart the slowest-growing crops indoors: onions, leeks, and celery (10–12 weeks before last frost).
MarchOrganize planting supplies and seed-starting mix. Check stored garden tools.
AprilStart peppers and eggplant indoors 8–10 weeks before your last frost (around June 25). Start tomatoes about two weeks later, 6–8 weeks before last frost.
MayStart herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable.
JuneLast frost around June 25. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings.
JulyFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
AugustFirst frost around August 31. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season.
SeptemberHarvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year.
OctoberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.
NovemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

What grows in a 67-day season

Frequently Asked Questions

What is the last frost date for Pagosa Springs, CO (ZIP 81147)?

The median last spring frost date for Pagosa Springs, CO (ZIP code 81147) is around June 25. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.

What is the first fall frost date in Pagosa Springs, CO?

The median first fall frost date for Pagosa Springs, CO is around August 31. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.

How long is the growing season in Pagosa Springs, CO?

The frost-free growing season in Pagosa Springs is about 67 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.

What USDA hardiness zone is Pagosa Springs, CO?

Based on frost date patterns, Pagosa Springs falls approximately in 5b. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.

When should I start tomatoes indoors in Pagosa Springs, CO?

Start tomato seeds indoors 6–8 weeks before your last frost date (around June 25). For Pagosa Springs, that's roughly April 30 to May 14. Transplant outdoors 1–2 weeks after your last frost.

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