- Hardiness
- Grown as a yearly crop in every zone
- Light
- Full sun
- Water
- Average, about an inch a week
- Size
- 2 ft (pole to 8 ft)
- Days to harvest
- 50 to 60
Growing tip. Sow direct after the last frost. Sow bush beans every three weeks for a steady supply.
When to plant green beans by zone
| Zone | Median last / first frost | When to plant |
|---|---|---|
| 3b | May 16 / Sep 25 | Plant outside: May 16 to Jun 27 |
| 4a | May 12 / Sep 28 | Plant outside: May 12 to Jun 23 |
| 4b | May 8 / Oct 1 | Plant outside: May 8 to Jun 19 |
| 5a | May 3 / Oct 5 | Plant outside: May 3 to Jun 14 |
| 5b | May 1 / Oct 10 | Plant outside: May 1 to Jun 12 |
| 6a | Apr 29 / Oct 16 | Plant outside: Apr 29 to Jun 10 |
| 6b | Apr 22 / Oct 22 | Plant outside: Apr 22 to Jun 3 |
| 7a | Apr 16 / Oct 25 | Plant outside: Apr 16 to May 28 |
| 7b | Apr 5 / Nov 1 | Plant outside: Apr 5 to May 17 |
| 8a | Mar 29 / Nov 7 | Plant outside: Mar 29 to May 10 |
| 8b | Mar 16 / Nov 14 | Plant outside: Mar 16 to Apr 27 |
| 9a | Mar 2 / Nov 26 | Plant outside: Mar 2 to Apr 13 |
| 9b | Feb 1 / Dec 9 | Plant outside: Feb 1 to Mar 15 |
Zones 10 and warmer have little or no frost. There, plant cool-season plants in fall and warm-season plants from late winter.
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Frequently asked questions
What zone does green beans grow in?
Green beans is grown fresh each year, so it fits every zone. What changes is when you plant. Find your zone by ZIP code.
How much sun does green beans need?
Full sun. Full sun means at least six hours of direct sun a day; part shade means about three to six.
Hardiness ranges, light and size are typical figures from university extension services and botanic garden plant records; a named variety can differ, so check its tag. Planting dates come from each zone's median frost dates (NOAA 1991 to 2020 climate normals) and the timing rules in how we check.