FrostCal

When to Plant Kale in Rhode Island

In a typical Rhode Island location, sow outdoors Mar 14 – Mar 28. Across the state, the outdoor planting window starts as early as Mar 10 in Newport and as late as Apr 3 in Narragansett. For a fall crop, plant around Aug 21 – Sep 4.

Method Direct sow
Days to maturity 50–65 days

Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.

Kale Planting Dates by City

CityDirect sowFall planting
ProvidenceMar 14 – Mar 28Aug 21 – Sep 4
WarwickMar 14 – Mar 28Aug 21 – Sep 4
CranstonMar 14 – Mar 28Aug 21 – Sep 4
PawtucketMar 25 – Apr 8Aug 10 – Aug 24
East ProvidenceMar 14 – Mar 28Aug 21 – Sep 4
WoonsocketMar 25 – Apr 8Aug 10 – Aug 24
CoventryMar 25 – Apr 8Aug 11 – Aug 25
CumberlandMar 25 – Apr 8Aug 10 – Aug 24
North ProvidenceMar 14 – Mar 28Aug 21 – Sep 4
South KingstownApr 3 – Apr 17Aug 3 – Aug 17
West WarwickMar 25 – Apr 8Aug 11 – Aug 25
JohnstonMar 14 – Mar 28Aug 21 – Sep 4
North KingstownMar 30 – Apr 13Aug 6 – Aug 20
NewportMar 10 – Mar 24Sep 4 – Sep 18
BristolMar 14 – Mar 28Aug 24 – Sep 7
SmithfieldMar 25 – Apr 8Aug 10 – Aug 24
LincolnMar 25 – Apr 8Aug 10 – Aug 24
Central FallsMar 25 – Apr 8Aug 10 – Aug 24
WesterlyMar 14 – Mar 28Aug 22 – Sep 5
PortsmouthMar 14 – Mar 28Aug 24 – Sep 7
MiddletownMar 14 – Mar 28Aug 26 – Sep 9
BarringtonMar 14 – Mar 28Aug 21 – Sep 4
NarragansettApr 3 – Apr 17Aug 3 – Aug 17
East GreenwichMar 14 – Mar 28Aug 21 – Sep 4
Newport EastMar 14 – Mar 28Aug 26 – Sep 9
Valley FallsMar 25 – Apr 8Aug 10 – Aug 24
WarrenMar 14 – Mar 28Aug 21 – Sep 4
North SmithfieldMar 25 – Apr 8Aug 10 – Aug 24
North ScituateMar 28 – Apr 11Aug 10 – 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 kale in Rhode Island?

In a typical Rhode Island location, sow outdoors Mar 14 – Mar 28. Across the state, the outdoor planting window starts as early as Mar 10 in Newport and as late as Apr 3 in Narragansett. For a fall crop, plant around Aug 21 – 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 kale take to grow?

Kale typically take 50–65 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.

Other Crops in Rhode Island

When to plant kale in other states

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