FrostCal

When to Plant Brussels Sprouts in Rhode Island

In a typical Rhode Island location, start seeds indoors Feb 21 – Mar 7, then transplant outdoors Mar 21 – Apr 4. Across the state, the outdoor planting window starts as early as Mar 17 in Newport and as late as Apr 10 in Narragansett.

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
ProvidenceFeb 21 – Mar 7Mar 21 – Apr 4
WarwickFeb 21 – Mar 7Mar 21 – Apr 4
CranstonFeb 21 – Mar 7Mar 21 – Apr 4
PawtucketMar 4 – Mar 18Apr 1 – Apr 15
East ProvidenceFeb 21 – Mar 7Mar 21 – Apr 4
WoonsocketMar 4 – Mar 18Apr 1 – Apr 15
CoventryMar 4 – Mar 18Apr 1 – Apr 15
CumberlandMar 4 – Mar 18Apr 1 – Apr 15
North ProvidenceFeb 21 – Mar 7Mar 21 – Apr 4
South KingstownMar 13 – Mar 27Apr 10 – Apr 24
West WarwickMar 4 – Mar 18Apr 1 – Apr 15
JohnstonFeb 21 – Mar 7Mar 21 – Apr 4
North KingstownMar 9 – Mar 23Apr 6 – Apr 20
NewportFeb 17 – Mar 3Mar 17 – Mar 31
BristolFeb 21 – Mar 7Mar 21 – Apr 4
SmithfieldMar 4 – Mar 18Apr 1 – Apr 15
LincolnMar 4 – Mar 18Apr 1 – Apr 15
Central FallsMar 4 – Mar 18Apr 1 – Apr 15
WesterlyFeb 21 – Mar 7Mar 21 – Apr 4
PortsmouthFeb 21 – Mar 7Mar 21 – Apr 4
MiddletownFeb 21 – Mar 7Mar 21 – Apr 4
BarringtonFeb 21 – Mar 7Mar 21 – Apr 4
NarragansettMar 13 – Mar 27Apr 10 – Apr 24
East GreenwichFeb 21 – Mar 7Mar 21 – Apr 4
Newport EastFeb 21 – Mar 7Mar 21 – Apr 4
Valley FallsMar 4 – Mar 18Apr 1 – Apr 15
WarrenFeb 21 – Mar 7Mar 21 – Apr 4
North SmithfieldMar 4 – Mar 18Apr 1 – Apr 15
North ScituateMar 7 – Mar 21Apr 4 – Apr 18

Showing the 29 most populous of 29 Rhode Island cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Rhode Island cities.

Frequently Asked Questions

When should I plant Brussels sprouts in Rhode Island?

In a typical Rhode Island location, start seeds indoors Feb 21 – Mar 7, then transplant outdoors Mar 21 – Apr 4. Across the state, the outdoor planting window starts as early as Mar 17 in Newport and as late as Apr 10 in Narragansett.

When is the last frost in Rhode Island?

The average last spring frost in Rhode Island ranges from April 7 in Newport to May 1 in Narragansett, 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 Rhode Island

When to plant Brussels sprouts in other states

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