When to plant bok choy in Maryland
Maryland spans USDA zones 7a–8a, so the right time to plant bok choy shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 1 in California to April 3 in Westminster — below are local dates for 139 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Baltimore | 8a | March 24 | November 21 | March 3 – March 24 |
| Columbia | 7b | April 5 | November 9 | March 15 – April 5 |
| Germantown | 7b | April 14 | October 29 | March 24 – April 14 |
| Frederick | 7b | April 2 | November 6 | March 12 – April 2 |
| Waldorf | 7b | April 17 | October 27 | March 27 – April 17 |
| Silver Spring | 7b | April 10 | November 1 | March 20 – April 10 |
| Ellicott City | 7b | April 2 | November 7 | March 12 – April 2 |
| Glen Burnie | 7b | April 10 | October 31 | March 20 – April 10 |
Bok Choy in Maryland: FAQ
When can I plant bok choy in Maryland?
Across Maryland, the time to transplant bok choy spans roughly March 1 in California to April 3 in Westminster, each following that city's local frost dates.
Does the bok choy planting date vary across Maryland?
Yes. Maryland publishes 139 cities with their own frost dates, so the right bok choy 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 bok choy take to grow in Maryland?
Bok Choy takes about 45–60 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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