Bedrock, CO frost dates
How Bedrock compares
- In 8 years out of 10, the last spring frost in Bedrock falls between April 29 and May 29, a 30-day window. The first fall frost falls between September 23 and October 18.
- The median last frost is the same as the Colorado median of May 11.
- Its 147-day growing season is longer than 52% 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 177 nights a year at or below 32°F.
- Compared with Grand Junction, CO, 98 km away, the last frost here is 18 days later than there and the growing season is 33 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 29 |
| 50% (median) | May 11 |
| 10% (safe for tender plants) | May 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 23 |
| 50% (median) | October 5 |
| 90% (late) | October 18 |
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 Bedrock, CO
Bedrock, CO frost dates — last frost May 11, first frost Oct 5, zone 6b. whenisthelastfrost.com
When to plant vegetables in Bedrock, 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 10 – Sep 7 |
| Kale | Mar 16 – Mar 30 | Apr 13 – Apr 27 | Apr 13 – Apr 27 | Jul 27 – Aug 17 |
| Broccoli | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jun 29 – Jul 20 |
| Cabbage | Mar 16 – Mar 30 | Apr 20 – May 4 | — | Jun 29 – Jul 20 |
| Cauliflower | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jun 29 – Jul 20 |
| 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 13 – Aug 3 |
| Spinach | — | — | Mar 30 – Apr 20 | Aug 10 – Aug 31 |
| Radishes | — | — | Apr 6 – May 18 | Aug 24 – Sep 14 |
| Cucumbers | Apr 13 – Apr 20 | May 25 – Jun 1 | May 18 – Jun 1 | Jul 20 – Aug 3 |
| Zucchini & Summer Squash | Apr 13 – Apr 20 | — | May 18 – Jun 1 | Jul 27 – Aug 10 |
| 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 13 – Jul 27 |
| Beets | — | — | Apr 20 – May 18 | Jul 27 – Aug 10 |
| Potatoes | — | — | Apr 20 – May 11 | — |
| Swiss Chard | — | — | Apr 27 – May 25 | Jul 27 – Aug 10 |
| Cilantro | — | — | Apr 27 – May 18 | Aug 10 – Aug 31 |
| Green Beans | — | — | May 18 – Jun 8 | Jul 20 – Aug 3 |
| Sweet Corn | — | — | May 18 – Jun 1 | — |
| Sweet Potatoes | — | May 25 – Jun 15 | — | — |
| Garlic | — | — | — | Sep 21 – Oct 26 |
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 Paradox 2n, CO weather station, 16 km away (elevation 5,446 ft (1,660 m)).
Frost dates near Bedrock
- Paradox May 11 · Oct 5
- Egnar Jun 3 · Sep 25
- Naturita Apr 26 · Oct 18
- Nucla Apr 26 · Oct 18
- Gateway Apr 20 · Oct 21
- Redvale May 25 · Oct 1
- Dove Creek May 11 · Oct 12
- Cahone May 11 · Oct 12
- Norwood May 21 · Oct 1
- Pleasant View May 17 · Oct 9
Frequently asked questions
When is the last frost in Bedrock, CO?
The median last spring frost in Bedrock, CO is May 11. There is still about a 10% chance of frost after May 29, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Bedrock, CO?
The median first fall frost is October 5, with about a 10% chance of frost before September 23.
How long is the growing season in Bedrock, CO?
About 147 days between the median last spring frost and first fall frost.
What planting zone is Bedrock, CO?
Bedrock, CO is in USDA hardiness zone 6b.