When to plant pole bean in Maryland
Maryland spans USDA zones 7a–8a, so the right time to plant pole bean shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 29 in California to May 1 in Westminster — below are local dates for 139 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Baltimore | 8a | March 24 | November 21 | March 31 – April 21 |
| Columbia | 7b | April 5 | November 9 | April 12 – May 3 |
| Germantown | 7b | April 14 | October 29 | April 21 – May 12 |
| Frederick | 7b | April 2 | November 6 | April 9 – April 30 |
| Waldorf | 7b | April 17 | October 27 | April 24 – May 15 |
| Silver Spring | 7b | April 10 | November 1 | April 17 – May 8 |
| Ellicott City | 7b | April 2 | November 7 | April 9 – April 30 |
| Glen Burnie | 7b | April 10 | October 31 | April 17 – May 8 |
Pole Bean in Maryland: FAQ
When can I plant pole bean in Maryland?
Across Maryland, the time to direct-sow pole bean spans roughly March 29 in California to May 1 in Westminster, each following that city's local frost dates.
Does the pole bean planting date vary across Maryland?
Yes. Maryland publishes 139 cities with their own frost dates, so the right pole bean 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 pole bean take to grow in Maryland?
Pole Bean takes about 60–75 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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