Growing zone for 80249
Growing conditions
- USDA hardiness zone
- 6a
- Avg. minimum winter temp
- -10°F
- Median frost dates
- First ~Oct 9 · Last ~May 5
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (DENVER INTL AP, CO US, 8.2 km away) .
Planting windows and crop timing here are computed from USDA/NOAA climate data and the university extension sources cited below, not a site visit or soil test. Treat this as a starting point: local conditions vary, and a local nursery or extension office can advise on your exact site. See our full Disclaimer.
Frost-free growing season: about 157 days (last frost to first frost).
What grows in zone 6a, and when →
What to plant this month (September) →
Nurseries near 80249
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