Montgomery Creek, CA frost dates
How Montgomery Creek compares
- In 8 years out of 10, the last spring frost in Montgomery Creek falls between May 15 and June 19, a 35-day window. The first fall frost falls between September 1 and September 27.
- The median last frost is 64 days later than the California median of Mar 31.
- Its 103-day growing season is longer than 3% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 92 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 178 nights a year at or below 32°F.
- Nearby Redding, CA, 48 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 15 |
| 50% (median) | June 3 |
| 10% (safe for tender plants) | June 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 1 |
| 50% (median) | September 14 |
| 90% (late) | September 27 |
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 Montgomery Creek, CA
Montgomery Creek, CA frost dates — last frost Jun 3, first frost Sep 14, zone 9a. whenisthelastfrost.com
When to plant vegetables in Montgomery Creek, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 11 – Mar 25 | May 6 – May 20 | — | — |
| Peppers | Mar 25 – Apr 8 | Jun 17 – Jul 1 | — | — |
| Eggplant | Mar 25 – Apr 8 | Jun 17 – Jul 1 | — | — |
| Tomatoes | Apr 8 – Apr 22 | Jun 10 – Jun 24 | — | — |
| Lettuce | Apr 8 – Apr 22 | May 13 – May 27 | May 6 – Jun 10 | Jul 20 – Aug 17 |
| Kale | Apr 8 – Apr 22 | May 6 – May 20 | May 6 – May 20 | Jul 6 – Jul 27 |
| Broccoli | Apr 8 – Apr 22 | May 20 – Jun 3 | — | — |
| Cabbage | Apr 8 – Apr 22 | May 13 – May 27 | — | — |
| Cauliflower | Apr 8 – Apr 22 | May 20 – Jun 3 | — | — |
| Okra | Apr 22 – May 6 | Jun 24 – Jul 8 | Jun 24 – Jul 8 | — |
| Basil | Apr 22 – May 6 | Jun 10 – Jun 24 | — | — |
| Peas | — | — | Apr 22 – May 13 | Jun 22 – Jul 13 |
| Spinach | — | — | Apr 22 – May 13 | Jul 20 – Aug 10 |
| Radishes | — | — | Apr 29 – Jun 10 | Aug 3 – Aug 24 |
| Cucumbers | May 6 – May 13 | Jun 17 – Jun 24 | Jun 10 – Jun 24 | — |
| Zucchini & Summer Squash | May 6 – May 13 | — | Jun 10 – Jun 24 | — |
| Winter Squash & Pumpkins Warning: Your frost-free season is about 103 days, which is tight for winter squash & pumpkins (100+ days). Choose early varieties and use transplants or row covers. | May 6 – May 13 | — | Jun 10 – Jun 24 | — |
| Melons & Watermelon | May 6 – May 13 | Jun 17 – Jul 1 | — | — |
| Carrots | — | — | May 13 – Jun 10 | — |
| Beets | — | — | May 13 – Jun 10 | Jul 6 – Jul 20 |
| Potatoes | — | — | May 13 – Jun 3 | — |
| Swiss Chard | — | — | May 20 – Jun 17 | Jul 6 – Jul 20 |
| Cilantro | — | — | May 20 – Jun 10 | Jul 20 – Aug 10 |
| Green Beans | — | — | Jun 10 – Jul 1 | — |
| Sweet Corn | — | — | Jun 10 – Jun 24 | — |
| Sweet Potatoes Warning: Your frost-free season is about 103 days, which is tight for sweet potatoes (100+ days). Choose early varieties and use transplants or row covers. | — | Jun 17 – Jul 8 | — | — |
| Garlic | — | — | — | Aug 31 – Oct 5 |
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 Burney, CA weather station, 23 km away (elevation 3,199 ft (975 m)).
Frost dates near Montgomery Creek
- Big Bend Jun 3 · Sep 14
- Round Mountain Jun 3 · Sep 14
- Burney Jun 3 · Sep 14
- Bella Vista Feb 8 · Dec 28
- Oak Run Mar 3 · Nov 21
- Whitmore Jun 9 · Sep 21
- Cassel May 29 · Sep 19
- Obrien Feb 8 · Dec 28
- Castella Apr 23 · Oct 27
- Mccloud May 28 · Sep 30
Frequently asked questions
When is the last frost in Montgomery Creek, CA?
The median last spring frost in Montgomery Creek, CA is June 3. There is still about a 10% chance of frost after June 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Montgomery Creek, CA?
The median first fall frost is September 14, with about a 10% chance of frost before September 1.
How long is the growing season in Montgomery Creek, CA?
About 103 days between the median last spring frost and first fall frost.
What planting zone is Montgomery Creek, CA?
Montgomery Creek, CA is in USDA hardiness zone 9a.