Weed, CA frost dates
Last spring frostMay 6median date
First fall frostOct 12median date
Growing season159 daysfrost-free
Hardiness zone8aZone 8a
How Weed compares
- In 8 years out of 10, the last spring frost in Weed falls between April 20 and May 28, a 38-day window. The first fall frost falls between September 27 and October 28.
- The median last frost is 36 days later than the California median of Mar 31.
- Its 159-day growing season is longer than 17% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 38 days later than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 125 nights a year at or below 32°F.
- Nearby Redding, CA, 88 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) | April 20 |
| 50% (median) | May 6 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 27 |
| 50% (median) | October 12 |
| 90% (late) | October 28 |
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 Weed, CA
Weed, CA frost dates — last frost May 6, first frost Oct 12, zone 8a. whenisthelastfrost.com
Crop
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Start indoors: Feb 11 to Feb 25Transplant outside: Apr 8 to Apr 22
Start indoors: Feb 25 to Mar 11Transplant outside: May 20 to Jun 3
Start indoors: Feb 25 to Mar 11Transplant outside: May 20 to Jun 3
Start indoors: Mar 11 to Mar 25Transplant outside: May 13 to May 27
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 15 to Apr 29Sow outdoors: Apr 8 to May 13Plant for fall: Aug 17 to Sep 14
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 8 to Apr 22Plant for fall: Aug 3 to Aug 24
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 22 to May 6Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 22 to May 6Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 25 to Apr 8Transplant outside: May 27 to Jun 10Sow outdoors: May 27 to Jun 10
Start indoors: Mar 25 to Apr 8Transplant outside: May 13 to May 27
Sow outdoors: Mar 25 to Apr 15Plant for fall: Jul 20 to Aug 10
Sow outdoors: Mar 25 to Apr 15Plant for fall: Aug 17 to Sep 7
Sow outdoors: Apr 1 to May 13Plant for fall: Aug 31 to Sep 21
Start indoors: Apr 8 to Apr 15Transplant outside: May 20 to May 27Sow outdoors: May 13 to May 27Plant for fall: Jul 27 to Aug 10
Start indoors: Apr 8 to Apr 15Sow outdoors: May 13 to May 27Plant for fall: Aug 3 to Aug 17
Start indoors: Apr 8 to Apr 15Sow outdoors: May 13 to May 27
Start indoors: Apr 8 to Apr 15Transplant outside: May 20 to Jun 3
Sow outdoors: Apr 15 to May 13Plant for fall: Jul 20 to Aug 3
Sow outdoors: Apr 15 to May 13Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 15 to May 6
Sow outdoors: Apr 22 to May 20Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 22 to May 13Plant for fall: Aug 17 to Sep 7
Sow outdoors: May 13 to Jun 3Plant for fall: Jul 27 to Aug 10
Sow outdoors: May 13 to May 27
Transplant outside: May 20 to Jun 10
Plant for fall: Sep 28 to Nov 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Weed, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 11 – Feb 25 | Apr 8 – Apr 22 | — | — |
| Peppers | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Eggplant | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Tomatoes | Mar 11 – Mar 25 | May 13 – May 27 | — | — |
| Lettuce | Mar 11 – Mar 25 | Apr 15 – Apr 29 | Apr 8 – May 13 | Aug 17 – Sep 14 |
| Kale | Mar 11 – Mar 25 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | Aug 3 – Aug 24 |
| Broccoli | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 11 – Mar 25 | Apr 15 – Apr 29 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jul 6 – Jul 27 |
| Okra | Mar 25 – Apr 8 | May 27 – Jun 10 | May 27 – Jun 10 | — |
| Basil | Mar 25 – Apr 8 | May 13 – May 27 | — | — |
| Peas | — | — | Mar 25 – Apr 15 | Jul 20 – Aug 10 |
| Spinach | — | — | Mar 25 – Apr 15 | Aug 17 – Sep 7 |
| Radishes | — | — | Apr 1 – May 13 | Aug 31 – Sep 21 |
| Cucumbers | Apr 8 – Apr 15 | May 20 – May 27 | May 13 – May 27 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 8 – Apr 15 | — | May 13 – May 27 | Aug 3 – Aug 17 |
| Winter Squash & Pumpkins | Apr 8 – Apr 15 | — | May 13 – May 27 | — |
| Melons & Watermelon | Apr 8 – Apr 15 | May 20 – Jun 3 | — | — |
| Carrots | — | — | Apr 15 – May 13 | Jul 20 – Aug 3 |
| Beets | — | — | Apr 15 – May 13 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 15 – May 6 | — |
| Swiss Chard | — | — | Apr 22 – May 20 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 22 – May 13 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 13 – Jun 3 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 13 – May 27 | — |
| Sweet Potatoes | — | May 20 – Jun 10 | — | — |
| 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 Mt Shasta, CA weather station, 11 km away (elevation 3,537 ft (1,078 m)).
Frost dates near Weed
- Mount Shasta May 15 · Oct 6
- Gazelle Apr 30 · Oct 18
- Grenada Apr 30 · Oct 18
- Dunsmuir Apr 23 · Oct 27
- Mccloud May 28 · Sep 30
- Callahan May 20 · Oct 5
- Montague May 12 · Oct 8
- Castella Apr 23 · Oct 27
- Yreka Apr 30 · Oct 18
- Fort Jones Apr 30 · Oct 18
Frequently asked questions
When is the last frost in Weed, CA?
The median last spring frost in Weed, CA is May 6. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Weed, CA?
The median first fall frost is October 12, with about a 10% chance of frost before September 27.
How long is the growing season in Weed, CA?
About 159 days between the median last spring frost and first fall frost.
What planting zone is Weed, CA?
Weed, CA is in USDA hardiness zone 8a.