When to plant claytonia (miner's lettuce) in Delaware
Delaware spans USDA zones 7a–7b, so the right time to plant claytonia (miner's lettuce) shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 7 in Dover to March 14 in Milford — below are local dates for 11 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Wilmington | 7b | April 7 | November 4 | March 10 – April 21 |
| Dover | 7b | April 4 | November 4 | March 7 – April 18 |
| Newark | 7b | April 7 | November 2 | March 10 – April 21 |
| Middletown | 7b | April 7 | November 2 | March 10 – April 21 |
| Bear | 7b | April 7 | November 2 | March 10 – April 21 |
| Glasgow | 7b | April 7 | November 2 | March 10 – April 21 |
| Brookside | 7b | April 7 | November 2 | March 10 – April 21 |
| Hockessin | 7a | April 7 | November 4 | March 10 – April 21 |
Claytonia (Miner's Lettuce) in Delaware: FAQ
When can I plant claytonia (miner's lettuce) in Delaware?
Across Delaware, the time to direct-sow claytonia (miner's lettuce) spans roughly March 7 in Dover to March 14 in Milford, each following that city's local frost dates.
Does the claytonia (miner's lettuce) planting date vary across Delaware?
Yes. Delaware publishes 11 cities with their own frost dates, so the right claytonia (miner's lettuce) 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 claytonia (miner's lettuce) take to grow in Delaware?
Claytonia (Miner's Lettuce) 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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