Rocky, OK frost dates
Last spring frostApr 5median date
First fall frostNov 4median date
Growing season213 daysfrost-free
Hardiness zone7bZone 7b
How Rocky compares
- In 8 years out of 10, the last spring frost in Rocky falls between March 19 and April 22, a 34-day window. The first fall frost falls between October 21 and November 19.
- The median last frost is 1 day later than the Oklahoma median of Apr 4.
- Its 213-day growing season is longer than 56% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is typical for zone 7b, where the median is Apr 5.
- The weather station records an average of 75 nights a year at or below 32°F.
- Compared with Lawton, OK, 83 km away, the last frost here is 10 days later than there and the growing season is 13 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 19 |
| 50% (median) | April 5 |
| 10% (safe for tender plants) | April 22 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 4 |
| 90% (late) | November 19 |
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 Rocky, OK
Rocky, OK frost dates — last frost Apr 5, first frost Nov 4, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 11 to Jan 25Transplant outside: Mar 8 to Mar 22
Start indoors: Jan 25 to Feb 8Transplant outside: Apr 19 to May 3
Start indoors: Jan 25 to Feb 8Transplant outside: Apr 19 to May 3
Start indoors: Feb 8 to Feb 22Transplant outside: Apr 12 to Apr 26
Start indoors: Feb 8 to Feb 22Transplant outside: Mar 15 to Mar 29Sow outdoors: Mar 8 to Apr 12Plant for fall: Sep 9 to Oct 7
Start indoors: Feb 8 to Feb 22Transplant outside: Mar 8 to Mar 22Sow outdoors: Mar 8 to Mar 22Plant for fall: Aug 26 to Sep 16
Start indoors: Feb 8 to Feb 22Transplant outside: Mar 22 to Apr 5Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 8 to Feb 22Transplant outside: Mar 15 to Mar 29Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 8 to Feb 22Transplant outside: Mar 22 to Apr 5Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 22 to Mar 8Transplant outside: Apr 26 to May 10Sow outdoors: Apr 26 to May 10
Start indoors: Feb 22 to Mar 8Transplant outside: Apr 12 to Apr 26
Sow outdoors: Feb 22 to Mar 15Plant for fall: Aug 12 to Sep 2
Sow outdoors: Feb 22 to Mar 15Plant for fall: Sep 9 to Sep 30
Sow outdoors: Mar 1 to Apr 12Plant for fall: Sep 23 to Oct 14
Start indoors: Mar 8 to Mar 15Transplant outside: Apr 19 to Apr 26Sow outdoors: Apr 12 to Apr 26Plant for fall: Aug 19 to Sep 2
Start indoors: Mar 8 to Mar 15Sow outdoors: Apr 12 to Apr 26Plant for fall: Aug 26 to Sep 9
Start indoors: Mar 8 to Mar 15Sow outdoors: Apr 12 to Apr 26
Start indoors: Mar 8 to Mar 15Transplant outside: Apr 19 to May 3
Sow outdoors: Mar 15 to Apr 12Plant for fall: Aug 12 to Aug 26
Sow outdoors: Mar 15 to Apr 12Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 15 to Apr 5
Sow outdoors: Mar 22 to Apr 19Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 22 to Apr 12Plant for fall: Sep 9 to Sep 30
Sow outdoors: Apr 12 to May 3Plant for fall: Aug 19 to Sep 2
Sow outdoors: Apr 12 to Apr 26
Transplant outside: Apr 19 to May 10
Plant for fall: Oct 21 to Nov 25
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Rocky, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 11 – Jan 25 | Mar 8 – Mar 22 | — | — |
| Peppers | Jan 25 – Feb 8 | Apr 19 – May 3 | — | — |
| Eggplant | Jan 25 – Feb 8 | Apr 19 – May 3 | — | — |
| Tomatoes | Feb 8 – Feb 22 | Apr 12 – Apr 26 | — | — |
| Lettuce | Feb 8 – Feb 22 | Mar 15 – Mar 29 | Mar 8 – Apr 12 | Sep 9 – Oct 7 |
| Kale | Feb 8 – Feb 22 | Mar 8 – Mar 22 | Mar 8 – Mar 22 | Aug 26 – Sep 16 |
| Broccoli | Feb 8 – Feb 22 | Mar 22 – Apr 5 | — | Jul 29 – Aug 19 |
| Cabbage | Feb 8 – Feb 22 | Mar 15 – Mar 29 | — | Jul 29 – Aug 19 |
| Cauliflower | Feb 8 – Feb 22 | Mar 22 – Apr 5 | — | Jul 29 – Aug 19 |
| Okra | Feb 22 – Mar 8 | Apr 26 – May 10 | Apr 26 – May 10 | — |
| Basil | Feb 22 – Mar 8 | Apr 12 – Apr 26 | — | — |
| Peas | — | — | Feb 22 – Mar 15 | Aug 12 – Sep 2 |
| Spinach | — | — | Feb 22 – Mar 15 | Sep 9 – Sep 30 |
| Radishes | — | — | Mar 1 – Apr 12 | Sep 23 – Oct 14 |
| Cucumbers | Mar 8 – Mar 15 | Apr 19 – Apr 26 | Apr 12 – Apr 26 | Aug 19 – Sep 2 |
| Zucchini & Summer Squash | Mar 8 – Mar 15 | — | Apr 12 – Apr 26 | Aug 26 – Sep 9 |
| Winter Squash & Pumpkins | Mar 8 – Mar 15 | — | Apr 12 – Apr 26 | — |
| Melons & Watermelon | Mar 8 – Mar 15 | Apr 19 – May 3 | — | — |
| Carrots | — | — | Mar 15 – Apr 12 | Aug 12 – Aug 26 |
| Beets | — | — | Mar 15 – Apr 12 | Aug 26 – Sep 9 |
| Potatoes | — | — | Mar 15 – Apr 5 | — |
| Swiss Chard | — | — | Mar 22 – Apr 19 | Aug 26 – Sep 9 |
| Cilantro | — | — | Mar 22 – Apr 12 | Sep 9 – Sep 30 |
| Green Beans | — | — | Apr 12 – May 3 | Aug 19 – Sep 2 |
| Sweet Corn | — | — | Apr 12 – Apr 26 | — |
| Sweet Potatoes | — | Apr 19 – May 10 | — | — |
| Garlic | — | — | — | Oct 21 – Nov 25 |
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 Clinton Sherman Ap, OK weather station, 9 km away (elevation 1,923 ft (586 m)).
Frost dates near Rocky
- Sentinel Apr 5 · Nov 4
- Hobart Apr 7 · Nov 4
- Cordell Apr 3 · Nov 1
- Dill City Apr 5 · Nov 4
- Gotebo Apr 4 · Nov 4
- Burns Flat Apr 3 · Nov 1
- Bessie Apr 3 · Nov 1
- Lone Wolf Apr 2 · Nov 3
- Mountain View Apr 6 · Oct 31
- Roosevelt Apr 4 · Nov 4
Frequently asked questions
When is the last frost in Rocky, OK?
The median last spring frost in Rocky, OK is April 5. There is still about a 10% chance of frost after April 22, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Rocky, OK?
The median first fall frost is November 4, with about a 10% chance of frost before October 21.
How long is the growing season in Rocky, OK?
About 213 days between the median last spring frost and first fall frost.
What planting zone is Rocky, OK?
Rocky, OK is in USDA hardiness zone 7b.