FrostCal

When to Plant Brussels Sprouts in Connecticut

In a typical Connecticut location, start seeds indoors Feb 28 – Mar 14, then transplant outdoors Mar 28 – Apr 11. Across the state, the outdoor planting window starts as early as Mar 15 in Bridgeport and as late as Apr 17 in Torrington.

Method Start indoors, then transplant
Days to maturity 90–110 days

Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.

Brussels Sprouts Planting Dates by City

CityStart indoorsTransplant
BridgeportFeb 15 – Mar 1Mar 15 – Mar 29
New HavenFeb 27 – Mar 13Mar 27 – Apr 10
StamfordFeb 27 – Mar 13Mar 27 – Apr 10
North StamfordFeb 27 – Mar 13Mar 27 – Apr 10
HartfordFeb 27 – Mar 13Mar 27 – Apr 10
WaterburyMar 8 – Mar 22Apr 5 – Apr 19
NorwalkFeb 27 – Mar 13Mar 27 – Apr 10
DanburyMar 2 – Mar 16Mar 30 – Apr 13
East NorwalkFeb 27 – Mar 13Mar 27 – Apr 10
New BritainFeb 27 – Mar 13Mar 27 – Apr 10
West HartfordFeb 27 – Mar 13Mar 27 – Apr 10
BristolMar 7 – Mar 21Apr 4 – Apr 18
MeridenMar 8 – Mar 22Apr 5 – Apr 19
HamdenFeb 28 – Mar 14Mar 28 – Apr 11
FairfieldFeb 15 – Mar 1Mar 15 – Mar 29
West HavenFeb 27 – Mar 13Mar 27 – Apr 10
MilfordFeb 15 – Mar 1Mar 15 – Mar 29
StratfordFeb 15 – Mar 1Mar 15 – Mar 29
City of Milford (balance)Feb 15 – Mar 1Mar 15 – Mar 29
East HartfordFeb 27 – Mar 13Mar 27 – Apr 10
MiddletownMar 8 – Mar 22Apr 5 – Apr 19
EnfieldMar 3 – Mar 17Mar 31 – Apr 14
SouthingtonMar 8 – Mar 22Apr 5 – Apr 19
SheltonMar 7 – Mar 21Apr 4 – Apr 18
NorwichFeb 24 – Mar 10Mar 24 – Apr 7
TrumbullFeb 15 – Mar 1Mar 15 – Mar 29
West TorringtonMar 20 – Apr 3Apr 17 – May 1
TorringtonMar 20 – Apr 3Apr 17 – May 1
GlastonburyFeb 27 – Mar 13Mar 27 – Apr 10
NaugatuckFeb 28 – Mar 14Mar 28 – Apr 11

Showing the 30 most populous of 86 Connecticut cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Connecticut cities.

Frequently Asked Questions

When should I plant Brussels sprouts in Connecticut?

In a typical Connecticut location, start seeds indoors Feb 28 – Mar 14, then transplant outdoors Mar 28 – Apr 11. Across the state, the outdoor planting window starts as early as Mar 15 in Bridgeport and as late as Apr 17 in Torrington.

When is the last frost in Connecticut?

The average last spring frost in Connecticut ranges from April 5 in Bridgeport to May 8 in Torrington, based on NOAA 1991–2020 climate normals.

How long do Brussels sprouts take to grow?

Brussels Sprouts typically take 90–110 days from planting to harvest. Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.

Other Crops in Connecticut

When to plant Brussels sprouts in other states

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