When to plant radishes in Delaware

Sow outdoors in Wilmington

Mar 3–Apr 14

Across Delaware the window opens between February 28 and March 3. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Wilmington: Mar 3–Apr 14
Fall planting, Wilmington: Sep 23–Oct 7
Last frost, Wilmington: Apr 7

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. The fastest crop in the garden. Sow a short row every week in spring and fall.

Radishes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

WilmingtonMar 3–Apr 14

DoverFeb 28–Apr 11

NewarkMar 3–Apr 14

MiddletownMar 3–Apr 14

BearMar 3–Apr 14

Questions

When should I plant radishes in Delaware?

In Wilmington, sow outdoors from March 3 to April 14. Across Delaware the window opens between February 28 and March 3, depending on the local last frost.

How is this date worked out?

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Delaware

Radishes in other states

Frost dates for every city in Delaware