When to plant mizuna in Maryland
Maryland spans USDA zones 7a–8a, so the right time to plant mizuna shifts by weeks across the state. The window to sow seed directly outdoors runs from about February 22 in California to March 27 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 | February 24 – April 7 |
| Columbia | 7b | April 5 | November 9 | March 8 – April 19 |
| Germantown | 7b | April 14 | October 29 | March 17 – April 28 |
| Frederick | 7b | April 2 | November 6 | March 5 – April 16 |
| Waldorf | 7b | April 17 | October 27 | March 20 – May 1 |
| Silver Spring | 7b | April 10 | November 1 | March 13 – April 24 |
| Ellicott City | 7b | April 2 | November 7 | March 5 – April 16 |
| Glen Burnie | 7b | April 10 | October 31 | March 13 – April 24 |
Mizuna in Maryland: FAQ
When can I plant mizuna in Maryland?
Across Maryland, the time to direct-sow mizuna spans roughly February 22 in California to March 27 in Westminster, each following that city's local frost dates.
Does the mizuna planting date vary across Maryland?
Yes. Maryland publishes 139 cities with their own frost dates, so the right mizuna 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 mizuna take to grow in Maryland?
Mizuna takes about 40–50 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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