FrostCal

When to Plant Broccoli in Rhode Island

In a typical Rhode Island location, start seeds indoors Feb 21 – Mar 7, then transplant outdoors Mar 21 – Mar 28. Across the state, the outdoor planting window starts as early as Mar 17 in Newport and as late as Apr 10 in Narragansett. For a fall crop, plant around Aug 28 – Sep 4.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

CityStart indoorsTransplantFall planting
ProvidenceFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
WarwickFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
CranstonFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
PawtucketMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
East ProvidenceFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
WoonsocketMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
CoventryMar 4 – Mar 18Apr 1 – Apr 8Aug 18 – Aug 25
CumberlandMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
North ProvidenceFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
South KingstownMar 13 – Mar 27Apr 10 – Apr 17Aug 10 – Aug 17
West WarwickMar 4 – Mar 18Apr 1 – Apr 8Aug 18 – Aug 25
JohnstonFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
North KingstownMar 9 – Mar 23Apr 6 – Apr 13Aug 13 – Aug 20
NewportFeb 17 – Mar 3Mar 17 – Mar 24Sep 11 – Sep 18
BristolFeb 21 – Mar 7Mar 21 – Mar 28Aug 31 – Sep 7
SmithfieldMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
LincolnMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
Central FallsMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
WesterlyFeb 21 – Mar 7Mar 21 – Mar 28Aug 29 – Sep 5
PortsmouthFeb 21 – Mar 7Mar 21 – Mar 28Aug 31 – Sep 7
MiddletownFeb 21 – Mar 7Mar 21 – Mar 28Sep 2 – Sep 9
BarringtonFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
NarragansettMar 13 – Mar 27Apr 10 – Apr 17Aug 10 – Aug 17
East GreenwichFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
Newport EastFeb 21 – Mar 7Mar 21 – Mar 28Sep 2 – Sep 9
Valley FallsMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
WarrenFeb 21 – Mar 7Mar 21 – Mar 28Aug 28 – Sep 4
North SmithfieldMar 4 – Mar 18Apr 1 – Apr 8Aug 17 – Aug 24
North ScituateMar 7 – Mar 21Apr 4 – Apr 11Aug 17 – Aug 24

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 broccoli in Rhode Island?

In a typical Rhode Island location, start seeds indoors Feb 21 – Mar 7, then transplant outdoors Mar 21 – Mar 28. Across the state, the outdoor planting window starts as early as Mar 17 in Newport and as late as Apr 10 in Narragansett. For a fall crop, plant around Aug 28 – Sep 4.

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 broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in Rhode Island

When to plant broccoli in other states

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