Cahone, CO frost dates
Last spring frostMay 11median date
First fall frostOct 12median date
Growing season154 daysfrost-free
Hardiness zone6bZone 6b
How Cahone compares
- In 8 years out of 10, the last spring frost in Cahone falls between April 29 and May 25, a 26-day window. The first fall frost falls between September 29 and October 25.
- The median last frost is the same as the Colorado median of May 11.
- Its 154-day growing season is longer than 63% of the 374 Colorado places with a regular frost season (state median 146 days).
- The last frost is 19 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 160 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 29 |
| 50% (median) | May 11 |
| 10% (safe for tender plants) | May 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 29 |
| 50% (median) | October 12 |
| 90% (late) | October 25 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Cahone, CO
Cahone, CO frost dates — last frost May 11, first frost Oct 12, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Feb 16 to Mar 2Transplant outside: Apr 13 to Apr 27
Start indoors: Mar 2 to Mar 16Transplant outside: May 25 to Jun 8
Start indoors: Mar 2 to Mar 16Transplant outside: May 25 to Jun 8
Start indoors: Mar 16 to Mar 30Transplant outside: May 18 to Jun 1
Start indoors: Mar 16 to Mar 30Transplant outside: Apr 20 to May 4Sow outdoors: Apr 13 to May 18Plant for fall: Aug 17 to Sep 14
Start indoors: Mar 16 to Mar 30Transplant outside: Apr 13 to Apr 27Sow outdoors: Apr 13 to Apr 27Plant for fall: Aug 3 to Aug 24
Start indoors: Mar 16 to Mar 30Transplant outside: Apr 27 to May 11Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 16 to Mar 30Transplant outside: Apr 20 to May 4Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 16 to Mar 30Transplant outside: Apr 27 to May 11Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 30 to Apr 13Transplant outside: Jun 1 to Jun 15Sow outdoors: Jun 1 to Jun 15
Start indoors: Mar 30 to Apr 13Transplant outside: May 18 to Jun 1
Sow outdoors: Mar 30 to Apr 20Plant for fall: Jul 20 to Aug 10
Sow outdoors: Mar 30 to Apr 20Plant for fall: Aug 17 to Sep 7
Sow outdoors: Apr 6 to May 18Plant for fall: Aug 31 to Sep 21
Start indoors: Apr 13 to Apr 20Transplant outside: May 25 to Jun 1Sow outdoors: May 18 to Jun 1Plant for fall: Jul 27 to Aug 10
Start indoors: Apr 13 to Apr 20Sow outdoors: May 18 to Jun 1Plant for fall: Aug 3 to Aug 17
Start indoors: Apr 13 to Apr 20Sow outdoors: May 18 to Jun 1
Start indoors: Apr 13 to Apr 20Transplant outside: May 25 to Jun 8
Sow outdoors: Apr 20 to May 18Plant for fall: Jul 20 to Aug 3
Sow outdoors: Apr 20 to May 18Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 20 to May 11
Sow outdoors: Apr 27 to May 25Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 27 to May 18Plant for fall: Aug 17 to Sep 7
Sow outdoors: May 18 to Jun 8Plant for fall: Jul 27 to Aug 10
Sow outdoors: May 18 to Jun 1
Transplant outside: May 25 to Jun 15
Plant for fall: Sep 28 to Nov 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Cahone, CO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 16 – Mar 2 | Apr 13 – Apr 27 | — | — |
| Peppers | Mar 2 – Mar 16 | May 25 – Jun 8 | — | — |
| Eggplant | Mar 2 – Mar 16 | May 25 – Jun 8 | — | — |
| Tomatoes | Mar 16 – Mar 30 | May 18 – Jun 1 | — | — |
| Lettuce | Mar 16 – Mar 30 | Apr 20 – May 4 | Apr 13 – May 18 | Aug 17 – Sep 14 |
| Kale | Mar 16 – Mar 30 | Apr 13 – Apr 27 | Apr 13 – Apr 27 | Aug 3 – Aug 24 |
| Broccoli | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 16 – Mar 30 | Apr 20 – May 4 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jul 6 – Jul 27 |
| Okra | Mar 30 – Apr 13 | Jun 1 – Jun 15 | Jun 1 – Jun 15 | — |
| Basil | Mar 30 – Apr 13 | May 18 – Jun 1 | — | — |
| Peas | — | — | Mar 30 – Apr 20 | Jul 20 – Aug 10 |
| Spinach | — | — | Mar 30 – Apr 20 | Aug 17 – Sep 7 |
| Radishes | — | — | Apr 6 – May 18 | Aug 31 – Sep 21 |
| Cucumbers | Apr 13 – Apr 20 | May 25 – Jun 1 | May 18 – Jun 1 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 13 – Apr 20 | — | May 18 – Jun 1 | Aug 3 – Aug 17 |
| Winter Squash & Pumpkins | Apr 13 – Apr 20 | — | May 18 – Jun 1 | — |
| Melons & Watermelon | Apr 13 – Apr 20 | May 25 – Jun 8 | — | — |
| Carrots | — | — | Apr 20 – May 18 | Jul 20 – Aug 3 |
| Beets | — | — | Apr 20 – May 18 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 20 – May 11 | — |
| Swiss Chard | — | — | Apr 27 – May 25 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 27 – May 18 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 18 – Jun 8 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 18 – Jun 1 | — |
| Sweet Potatoes | — | May 25 – Jun 15 | — | — |
| Garlic | — | — | — | Sep 28 – Nov 2 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Dove Creek, CO weather station, 12 km away (elevation 6,864 ft (2,092 m)).
Frost dates near Cahone
- Dove Creek May 11 · Oct 12
- Pleasant View May 17 · Oct 9
- Yellow Jacket May 17 · Oct 9
- Lewis May 15 · Oct 8
- Egnar Jun 3 · Sep 25
- Dolores May 12 · Oct 7
- Cortez May 12 · Oct 7
- Towaoc May 27 · Sep 28
- Naturita Apr 26 · Oct 18
- Mancos Jun 4 · Sep 24
Frequently asked questions
When is the last frost in Cahone, CO?
The median last spring frost in Cahone, CO is May 11. There is still about a 10% chance of frost after May 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cahone, CO?
The median first fall frost is October 12, with about a 10% chance of frost before September 29.
How long is the growing season in Cahone, CO?
About 154 days between the median last spring frost and first fall frost.
What planting zone is Cahone, CO?
Cahone, CO is in USDA hardiness zone 6b.