When to plant brussels sprouts in Maryland

Plant out in Baltimore

Mar 10–Mar 24

Across Maryland the window opens between March 10 and April 10. Find your city below; the dates follow each town's own average last frost.

Start indoors, Baltimore: Jan 27–Feb 10
Plant out, Baltimore: Mar 10–Mar 24
Fall planting, Baltimore: Aug 1–Aug 15
Last frost, Baltimore: Mar 24

Start seeds indoors 6–8 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 14–16 weeks before the first frost. Sprouts taste best after a few frosts. Plan the harvest for late fall.

Brussels sprouts planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

BaltimoreMar 10–Mar 24

ColumbiaMar 22–Apr 5

FrederickMar 19–Apr 2

GermantownMar 31–Apr 14

WaldorfApr 3–Apr 17

Silver SpringMar 27–Apr 10

Ellicott CityMar 19–Apr 2

Glen BurnieMar 27–Apr 10

GaithersburgMar 18–Apr 1

RockvilleMar 18–Apr 1

BethesdaMar 26–Apr 9

DundalkMar 10–Mar 24

BowieApr 8–Apr 22

SevernMar 27–Apr 10

Bel Air SouthMar 27–Apr 10

TowsonMar 19–Apr 2

Aspen HillMar 18–Apr 1

WheatonMar 18–Apr 1

North BethesdaMar 18–Apr 1

PotomacMar 18–Apr 1

OdentonMar 27–Apr 10

HagerstownMar 28–Apr 11

CatonsvilleMar 10–Mar 24

EssexMar 10–Mar 24

AnnapolisMar 13–Mar 27

Severna ParkMar 13–Mar 27

ClintonMar 20–Apr 3

OlneyMar 18–Apr 1

RandallstownMar 19–Apr 2

Owings MillsMar 19–Apr 2

All 68 cities

City	Start indoors	Plant out	Fall planting	Last frost
Baltimore	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Columbia	Feb 8 to Feb 22	Mar 22 to Apr 5	Jul 20 to Aug 3	Apr 5
Frederick	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 17 to Jul 31	Apr 2
Germantown	Feb 17 to Mar 3	Mar 31 to Apr 14	Jul 9 to Jul 23	Apr 14
Waldorf	Feb 20 to Mar 6	Apr 3 to Apr 17	Jul 7 to Jul 21	Apr 17
Silver Spring	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 12 to Jul 26	Apr 10
Ellicott City	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Glen Burnie	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 11 to Jul 25	Apr 10
Gaithersburg	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Rockville	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Bethesda	Feb 12 to Feb 26	Mar 26 to Apr 9	Jul 11 to Jul 25	Apr 9
Dundalk	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Bowie	Feb 25 to Mar 11	Apr 8 to Apr 22	Jul 2 to Jul 16	Apr 22
Severn	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 11 to Jul 25	Apr 10
Bel Air South	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 10 to Jul 24	Apr 10
Towson	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Aspen Hill	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Wheaton	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
North Bethesda	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Potomac	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Odenton	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 11 to Jul 25	Apr 10
Hagerstown	Feb 14 to Feb 28	Mar 28 to Apr 11	Jul 8 to Jul 22	Apr 11
Catonsville	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Essex	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Annapolis	Jan 30 to Feb 13	Mar 13 to Mar 27	Jul 24 to Aug 7	Mar 27
Severna Park	Jan 30 to Feb 13	Mar 13 to Mar 27	Jul 24 to Aug 7	Mar 27
Clinton	Feb 6 to Feb 20	Mar 20 to Apr 3	Jul 19 to Aug 2	Apr 3
Olney	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Randallstown	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Owings Mills	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
College Park	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 12 to Jul 26	Apr 10
Chillum	Feb 1 to Feb 15	Mar 15 to Mar 29	Jul 19 to Aug 2	Mar 29
Pikesville	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Montgomery Village	Feb 17 to Mar 3	Mar 31 to Apr 14	Jul 9 to Jul 23	Apr 14
Salisbury	Feb 6 to Feb 20	Mar 20 to Apr 3	Jul 18 to Aug 1	Apr 3
Pasadena	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 11 to Jul 25	Apr 10
Milford Mill	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Middle River	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Bel Air North	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 10 to Jul 24	Apr 10
Eldersburg	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Parkville	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Laurel	Feb 8 to Feb 22	Mar 22 to Apr 5	Jul 20 to Aug 3	Apr 5
Crofton	Feb 25 to Mar 11	Apr 8 to Apr 22	Jul 2 to Jul 16	Apr 22
Clarksburg	Feb 17 to Mar 3	Mar 31 to Apr 14	Jul 9 to Jul 23	Apr 14
Perry Hall	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Carney	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Reisterstown	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
South Laurel	Feb 8 to Feb 22	Mar 22 to Apr 5	Jul 20 to Aug 3	Apr 5
Lochearn	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Ilchester	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 11 to Jul 25	Apr 10
Fairland	Feb 8 to Feb 22	Mar 22 to Apr 5	Jul 20 to Aug 3	Apr 5
Elkridge	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 11 to Jul 25	Apr 10
Ballenger Creek	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 17 to Jul 31	Apr 2
Fort Washington	Feb 6 to Feb 20	Mar 20 to Apr 3	Jul 19 to Aug 2	Apr 3
North Laurel	Feb 8 to Feb 22	Mar 22 to Apr 5	Jul 20 to Aug 3	Apr 5
Edgewood	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 10 to Jul 24	Apr 10
Greenbelt	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 12 to Jul 26	Apr 10
Suitland	Feb 1 to Feb 15	Mar 15 to Mar 29	Jul 19 to Aug 2	Mar 29
Landover	Feb 1 to Feb 15	Mar 15 to Mar 29	Jul 19 to Aug 2	Mar 29
North Potomac	Feb 4 to Feb 18	Mar 18 to Apr 1	Jul 17 to Jul 31	Apr 1
Arnold	Jan 30 to Feb 13	Mar 13 to Mar 27	Jul 24 to Aug 7	Mar 27
Cockeysville	Feb 5 to Feb 19	Mar 19 to Apr 2	Jul 18 to Aug 1	Apr 2
Camp Springs	Feb 6 to Feb 20	Mar 20 to Apr 3	Jul 19 to Aug 2	Apr 3
Langley Park	Feb 13 to Feb 27	Mar 27 to Apr 10	Jul 12 to Jul 26	Apr 10
Hyattsville	Feb 1 to Feb 15	Mar 15 to Mar 29	Jul 19 to Aug 2	Mar 29
Arbutus	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Rosedale	Jan 27 to Feb 10	Mar 10 to Mar 24	Aug 1 to Aug 15	Mar 24
Westminster	Feb 27 to Mar 13	Apr 10 to Apr 24	Jun 30 to Jul 14	Apr 24

Questions

When should I plant brussels sprouts in Maryland?

In Baltimore, plant out from March 10 to March 24. Across Maryland the window opens between March 10 and April 10, depending on the local last frost.

How is this date worked out?

Start seeds indoors 6–8 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 14–16 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Maryland

Brussels sprouts in other states

Frost dates for every city in Maryland