Browse by state
Colorado planting calendar and frost dates
Start with the ZIP row for frost dates, then open any crop calendar for specific sow, transplant, harvest, and frost-watch windows.
| ZIP | City | Zone | Last frost | First frost |
|---|---|---|---|---|
| 80202 | Denver | 6a | May 5 | Oct 5 |
Denver, CO · Zone 6a
Tomatoes May 12
Open answer · last frost May 5
Denver, CO · Zone 6a
Peppers May 19
Open answer · last frost May 5
Denver, CO · Zone 6a
Basil May 15
Open answer · last frost May 5
Denver, CO · Zone 6a
Carrots Apr 14
Open answer · last frost May 5
Denver, CO · Zone 6a
Lettuce Apr 21
Open answer · last frost May 5
Denver, CO · Zone 6a
Cucumbers May 15
Open answer · last frost May 5
Denver, CO · Zone 6a
Zucchini May 15
Open answer · last frost May 5
Denver, CO · Zone 6a
Cilantro Apr 21
Open answer · last frost May 5
Denver, CO · Zone 6a
Bush beans May 12
Open answer · last frost May 5
Denver, CO · Zone 6a
Spinach Apr 7
Open answer · last frost May 5
Denver, CO · Zone 6a
Radishes Apr 7
Open answer · last frost May 5
Denver, CO · Zone 6a
Kale Apr 21
Open answer · last frost May 5