When to plant cassava in Oklahoma
Oklahoma spans USDA zones 6b–8a, so the right time to plant cassava shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 29 in Ardmore to May 2 in Guymon — below are local dates for 45 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Oklahoma City | 7b | April 4 | November 2 | April 18 – May 2 |
| Tulsa | 7b | March 31 | November 4 | April 14 – April 28 |
| Norman | 7b | April 3 | November 3 | April 17 – May 1 |
| Broken Arrow | 7b | April 1 | November 1 | April 15 – April 29 |
| Edmond | 7b | April 10 | October 28 | April 24 – May 8 |
| Lawton | 7b | March 26 | November 7 | April 9 – April 23 |
| Moore | 7b | March 31 | November 5 | April 14 – April 28 |
| Midwest City | 7b | April 2 | November 5 | April 16 – April 30 |
Cassava in Oklahoma: FAQ
When can I plant cassava in Oklahoma?
Across Oklahoma, the time to transplant cassava spans roughly March 29 in Ardmore to May 2 in Guymon, each following that city's local frost dates.
Does the cassava planting date vary across Oklahoma?
Yes. Oklahoma publishes 45 cities with their own frost dates, so the right cassava planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does cassava take to grow in Oklahoma?
Cassava takes about 240–300 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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