When to plant orach in Maryland
Maryland spans USDA zones 7a–8a, so the right time to plant orach shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 8 in California to April 10 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 10 – April 7 |
| Columbia | 7b | April 5 | November 9 | March 22 – April 19 |
| Germantown | 7b | April 14 | October 29 | March 31 – April 28 |
| Frederick | 7b | April 2 | November 6 | March 19 – April 16 |
| Waldorf | 7b | April 17 | October 27 | April 3 – May 1 |
| Silver Spring | 7b | April 10 | November 1 | March 27 – April 24 |
| Ellicott City | 7b | April 2 | November 7 | March 19 – April 16 |
| Glen Burnie | 7b | April 10 | October 31 | March 27 – April 24 |
Orach in Maryland: FAQ
When can I plant orach in Maryland?
Across Maryland, the time to direct-sow orach spans roughly March 8 in California to April 10 in Westminster, each following that city's local frost dates.
Does the orach planting date vary across Maryland?
Yes. Maryland publishes 139 cities with their own frost dates, so the right orach 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 orach take to grow in Maryland?
Orach takes about 40–60 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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