When to plant radishes in Maryland

Sow outdoors in Baltimore

Feb 17–Mar 31

Across Maryland the window opens between February 17 and March 20. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Baltimore: Feb 17–Mar 31
Fall planting, Baltimore: Oct 10–Oct 24
Last frost, Baltimore: Mar 24

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

BaltimoreFeb 17–Mar 31

ColumbiaMar 1–Apr 12

FrederickFeb 26–Apr 9

GermantownMar 10–Apr 21

WaldorfMar 13–Apr 24

Silver SpringMar 6–Apr 17

Ellicott CityFeb 26–Apr 9

Glen BurnieMar 6–Apr 17

GaithersburgFeb 25–Apr 8

RockvilleFeb 25–Apr 8

BethesdaMar 5–Apr 16

DundalkFeb 17–Mar 31

BowieMar 18–Apr 29

SevernMar 6–Apr 17

Bel Air SouthMar 6–Apr 17

TowsonFeb 26–Apr 9

Aspen HillFeb 25–Apr 8

WheatonFeb 25–Apr 8

North BethesdaFeb 25–Apr 8

PotomacFeb 25–Apr 8

OdentonMar 6–Apr 17

HagerstownMar 7–Apr 18

CatonsvilleFeb 17–Mar 31

EssexFeb 17–Mar 31

AnnapolisFeb 20–Apr 3

Severna ParkFeb 20–Apr 3

ClintonFeb 27–Apr 10

OlneyFeb 25–Apr 8

RandallstownFeb 26–Apr 9

Owings MillsFeb 26–Apr 9

All 68 cities

City	Sow outdoors	Fall planting	Last frost
Baltimore	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Columbia	Mar 1 to Apr 12	Sep 28 to Oct 12	Apr 5
Frederick	Feb 26 to Apr 9	Sep 25 to Oct 9	Apr 2
Germantown	Mar 10 to Apr 21	Sep 17 to Oct 1	Apr 14
Waldorf	Mar 13 to Apr 24	Sep 15 to Sep 29	Apr 17
Silver Spring	Mar 6 to Apr 17	Sep 20 to Oct 4	Apr 10
Ellicott City	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Glen Burnie	Mar 6 to Apr 17	Sep 19 to Oct 3	Apr 10
Gaithersburg	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Rockville	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Bethesda	Mar 5 to Apr 16	Sep 19 to Oct 3	Apr 9
Dundalk	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Bowie	Mar 18 to Apr 29	Sep 10 to Sep 24	Apr 22
Severn	Mar 6 to Apr 17	Sep 19 to Oct 3	Apr 10
Bel Air South	Mar 6 to Apr 17	Sep 18 to Oct 2	Apr 10
Towson	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Aspen Hill	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Wheaton	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
North Bethesda	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Potomac	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Odenton	Mar 6 to Apr 17	Sep 19 to Oct 3	Apr 10
Hagerstown	Mar 7 to Apr 18	Sep 16 to Sep 30	Apr 11
Catonsville	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Essex	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Annapolis	Feb 20 to Apr 3	Oct 2 to Oct 16	Mar 27
Severna Park	Feb 20 to Apr 3	Oct 2 to Oct 16	Mar 27
Clinton	Feb 27 to Apr 10	Sep 27 to Oct 11	Apr 3
Olney	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Randallstown	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Owings Mills	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
College Park	Mar 6 to Apr 17	Sep 20 to Oct 4	Apr 10
Chillum	Feb 22 to Apr 5	Sep 27 to Oct 11	Mar 29
Pikesville	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Montgomery Village	Mar 10 to Apr 21	Sep 17 to Oct 1	Apr 14
Salisbury	Feb 27 to Apr 10	Sep 26 to Oct 10	Apr 3
Pasadena	Mar 6 to Apr 17	Sep 19 to Oct 3	Apr 10
Milford Mill	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Middle River	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Bel Air North	Mar 6 to Apr 17	Sep 18 to Oct 2	Apr 10
Eldersburg	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Parkville	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Laurel	Mar 1 to Apr 12	Sep 28 to Oct 12	Apr 5
Crofton	Mar 18 to Apr 29	Sep 10 to Sep 24	Apr 22
Clarksburg	Mar 10 to Apr 21	Sep 17 to Oct 1	Apr 14
Perry Hall	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Carney	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Reisterstown	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
South Laurel	Mar 1 to Apr 12	Sep 28 to Oct 12	Apr 5
Lochearn	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Ilchester	Mar 6 to Apr 17	Sep 19 to Oct 3	Apr 10
Fairland	Mar 1 to Apr 12	Sep 28 to Oct 12	Apr 5
Elkridge	Mar 6 to Apr 17	Sep 19 to Oct 3	Apr 10
Ballenger Creek	Feb 26 to Apr 9	Sep 25 to Oct 9	Apr 2
Fort Washington	Feb 27 to Apr 10	Sep 27 to Oct 11	Apr 3
North Laurel	Mar 1 to Apr 12	Sep 28 to Oct 12	Apr 5
Edgewood	Mar 6 to Apr 17	Sep 18 to Oct 2	Apr 10
Greenbelt	Mar 6 to Apr 17	Sep 20 to Oct 4	Apr 10
Suitland	Feb 22 to Apr 5	Sep 27 to Oct 11	Mar 29
Landover	Feb 22 to Apr 5	Sep 27 to Oct 11	Mar 29
North Potomac	Feb 25 to Apr 8	Sep 25 to Oct 9	Apr 1
Arnold	Feb 20 to Apr 3	Oct 2 to Oct 16	Mar 27
Cockeysville	Feb 26 to Apr 9	Sep 26 to Oct 10	Apr 2
Camp Springs	Feb 27 to Apr 10	Sep 27 to Oct 11	Apr 3
Langley Park	Mar 6 to Apr 17	Sep 20 to Oct 4	Apr 10
Hyattsville	Feb 22 to Apr 5	Sep 27 to Oct 11	Mar 29
Arbutus	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Rosedale	Feb 17 to Mar 31	Oct 10 to Oct 24	Mar 24
Westminster	Mar 20 to May 1	Sep 8 to Sep 22	Apr 24

Questions

When should I plant radishes in Maryland?

In Baltimore, sow outdoors from February 17 to March 31. Across Maryland the window opens between February 17 and March 20, 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 Maryland

Radishes in other states

Frost dates for every city in Maryland