Cache, OK frost dates
Last spring frostMar 21median date
First fall frostNov 12median date
Growing season236 daysfrost-free
Hardiness zone8aZone 8a
How Cache compares
- In 8 years out of 10, the last spring frost in Cache falls between February 28 and April 8, a 39-day window. The first fall frost falls between October 27 and November 28.
- The median last frost is 14 days earlier than the Oklahoma median of Apr 4.
- Its 236-day growing season is longer than 96% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 8 days earlier 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 55 nights a year at or below 32°F.
- Compared with Lawton, OK, 19 km away, the last frost here is 5 days earlier than there and the growing season is 10 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 21 |
| 10% (safe for tender plants) | April 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 12 |
| 90% (late) | November 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 Cache, OK
Cache, OK frost dates — last frost Mar 21, first frost Nov 12, zone 8a. whenisthelastfrost.com
Crop
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Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 21 to Mar 7
Start indoors: Jan 10 to Jan 24Transplant outside: Apr 4 to Apr 18
Start indoors: Jan 10 to Jan 24Transplant outside: Apr 4 to Apr 18
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 28 to Apr 11
Start indoors: Jan 24 to Feb 7Transplant outside: Feb 28 to Mar 14Sow outdoors: Feb 21 to Mar 28Plant for fall: Sep 17 to Oct 15
Start indoors: Jan 24 to Feb 7Transplant outside: Feb 21 to Mar 7Sow outdoors: Feb 21 to Mar 7Plant for fall: Sep 3 to Sep 24
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 7 to Mar 21Plant for fall: Aug 6 to Aug 27
Start indoors: Jan 24 to Feb 7Transplant outside: Feb 28 to Mar 14Plant for fall: Aug 6 to Aug 27
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 7 to Mar 21Plant for fall: Aug 6 to Aug 27
Start indoors: Feb 7 to Feb 21Transplant outside: Apr 11 to Apr 25Sow outdoors: Apr 11 to Apr 25
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 28 to Apr 11
Sow outdoors: Feb 7 to Feb 28Plant for fall: Aug 20 to Sep 10
Sow outdoors: Feb 7 to Feb 28Plant for fall: Sep 17 to Oct 8
Sow outdoors: Feb 14 to Mar 28Plant for fall: Oct 1 to Oct 22
Start indoors: Feb 21 to Feb 28Transplant outside: Apr 4 to Apr 11Sow outdoors: Mar 28 to Apr 11Plant for fall: Aug 27 to Sep 10
Start indoors: Feb 21 to Feb 28Sow outdoors: Mar 28 to Apr 11Plant for fall: Sep 3 to Sep 17
Start indoors: Feb 21 to Feb 28Sow outdoors: Mar 28 to Apr 11
Start indoors: Feb 21 to Feb 28Transplant outside: Apr 4 to Apr 18
Sow outdoors: Feb 28 to Mar 28Plant for fall: Aug 20 to Sep 3
Sow outdoors: Feb 28 to Mar 28Plant for fall: Sep 3 to Sep 17
Sow outdoors: Feb 28 to Mar 21
Sow outdoors: Mar 7 to Apr 4Plant for fall: Sep 3 to Sep 17
Sow outdoors: Mar 7 to Mar 28Plant for fall: Sep 17 to Oct 8
Sow outdoors: Mar 28 to Apr 18Plant for fall: Aug 27 to Sep 10
Sow outdoors: Mar 28 to Apr 11
Transplant outside: Apr 4 to Apr 25
Plant for fall: Oct 29 to Dec 3
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Cache, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 27 – Jan 10 | Feb 21 – Mar 7 | — | — |
| Peppers | Jan 10 – Jan 24 | Apr 4 – Apr 18 | — | — |
| Eggplant | Jan 10 – Jan 24 | Apr 4 – Apr 18 | — | — |
| Tomatoes | Jan 24 – Feb 7 | Mar 28 – Apr 11 | — | — |
| Lettuce | Jan 24 – Feb 7 | Feb 28 – Mar 14 | Feb 21 – Mar 28 | Sep 17 – Oct 15 |
| Kale | Jan 24 – Feb 7 | Feb 21 – Mar 7 | Feb 21 – Mar 7 | Sep 3 – Sep 24 |
| Broccoli | Jan 24 – Feb 7 | Mar 7 – Mar 21 | — | Aug 6 – Aug 27 |
| Cabbage | Jan 24 – Feb 7 | Feb 28 – Mar 14 | — | Aug 6 – Aug 27 |
| Cauliflower | Jan 24 – Feb 7 | Mar 7 – Mar 21 | — | Aug 6 – Aug 27 |
| Okra | Feb 7 – Feb 21 | Apr 11 – Apr 25 | Apr 11 – Apr 25 | — |
| Basil | Feb 7 – Feb 21 | Mar 28 – Apr 11 | — | — |
| Peas | — | — | Feb 7 – Feb 28 | Aug 20 – Sep 10 |
| Spinach | — | — | Feb 7 – Feb 28 | Sep 17 – Oct 8 |
| Radishes | — | — | Feb 14 – Mar 28 | Oct 1 – Oct 22 |
| Cucumbers | Feb 21 – Feb 28 | Apr 4 – Apr 11 | Mar 28 – Apr 11 | Aug 27 – Sep 10 |
| Zucchini & Summer Squash | Feb 21 – Feb 28 | — | Mar 28 – Apr 11 | Sep 3 – Sep 17 |
| Winter Squash & Pumpkins | Feb 21 – Feb 28 | — | Mar 28 – Apr 11 | — |
| Melons & Watermelon | Feb 21 – Feb 28 | Apr 4 – Apr 18 | — | — |
| Carrots | — | — | Feb 28 – Mar 28 | Aug 20 – Sep 3 |
| Beets | — | — | Feb 28 – Mar 28 | Sep 3 – Sep 17 |
| Potatoes | — | — | Feb 28 – Mar 21 | — |
| Swiss Chard | — | — | Mar 7 – Apr 4 | Sep 3 – Sep 17 |
| Cilantro | — | — | Mar 7 – Mar 28 | Sep 17 – Oct 8 |
| Green Beans | — | — | Mar 28 – Apr 18 | Aug 27 – Sep 10 |
| Sweet Corn | — | — | Mar 28 – Apr 11 | — |
| Sweet Potatoes | — | Apr 4 – Apr 25 | — | — |
| Garlic | — | — | — | Oct 29 – Dec 3 |
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 Medicine Pk 3w Mesonet, OK weather station, 14 km away (elevation 1,598 ft (487 m)).
Frost dates near Cache
- Indiahoma Mar 28 · Nov 6
- Medicine Park Mar 21 · Nov 12
- Faxon Apr 7 · Nov 2
- Lawton Mar 26 · Nov 7
- Meers Mar 21 · Nov 12
- Fort Sill Mar 26 · Nov 7
- Chattanooga Apr 7 · Nov 2
- Geronimo Apr 1 · Nov 5
- Elgin Mar 21 · Nov 12
- Loveland Apr 7 · Nov 2
Frequently asked questions
When is the last frost in Cache, OK?
The median last spring frost in Cache, OK is March 21. There is still about a 10% chance of frost after April 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cache, OK?
The median first fall frost is November 12, with about a 10% chance of frost before October 27.
How long is the growing season in Cache, OK?
About 236 days between the median last spring frost and first fall frost.
What planting zone is Cache, OK?
Cache, OK is in USDA hardiness zone 8a.