FrostCal

When to Plant Radishes in Rhode Island

In a typical Rhode Island location, sow outdoors Mar 7 – Mar 21. Across the state, the outdoor planting window starts as early as Mar 3 in Newport and as late as Mar 27 in Narragansett. For a fall crop, plant around Sep 18 – Oct 2.

Method Direct sow
Days to maturity 22–30 days

Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Radishes Planting Dates by City

CityDirect sowFall planting
ProvidenceMar 7 – Mar 21Sep 18 – Oct 2
WarwickMar 7 – Mar 21Sep 18 – Oct 2
CranstonMar 7 – Mar 21Sep 18 – Oct 2
PawtucketMar 18 – Apr 1Sep 7 – Sep 21
East ProvidenceMar 7 – Mar 21Sep 18 – Oct 2
WoonsocketMar 18 – Apr 1Sep 7 – Sep 21
CoventryMar 18 – Apr 1Sep 8 – Sep 22
CumberlandMar 18 – Apr 1Sep 7 – Sep 21
North ProvidenceMar 7 – Mar 21Sep 18 – Oct 2
South KingstownMar 27 – Apr 10Aug 31 – Sep 14
West WarwickMar 18 – Apr 1Sep 8 – Sep 22
JohnstonMar 7 – Mar 21Sep 18 – Oct 2
North KingstownMar 23 – Apr 6Sep 3 – Sep 17
NewportMar 3 – Mar 17Oct 2 – Oct 16
BristolMar 7 – Mar 21Sep 21 – Oct 5
SmithfieldMar 18 – Apr 1Sep 7 – Sep 21
LincolnMar 18 – Apr 1Sep 7 – Sep 21
Central FallsMar 18 – Apr 1Sep 7 – Sep 21
WesterlyMar 7 – Mar 21Sep 19 – Oct 3
PortsmouthMar 7 – Mar 21Sep 21 – Oct 5
MiddletownMar 7 – Mar 21Sep 23 – Oct 7
BarringtonMar 7 – Mar 21Sep 18 – Oct 2
NarragansettMar 27 – Apr 10Aug 31 – Sep 14
East GreenwichMar 7 – Mar 21Sep 18 – Oct 2
Newport EastMar 7 – Mar 21Sep 23 – Oct 7
Valley FallsMar 18 – Apr 1Sep 7 – Sep 21
WarrenMar 7 – Mar 21Sep 18 – Oct 2
North SmithfieldMar 18 – Apr 1Sep 7 – Sep 21
North ScituateMar 21 – Apr 4Sep 7 – Sep 21

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 radishes in Rhode Island?

In a typical Rhode Island location, sow outdoors Mar 7 – Mar 21. Across the state, the outdoor planting window starts as early as Mar 3 in Newport and as late as Mar 27 in Narragansett. For a fall crop, plant around Sep 18 – Oct 2.

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 radishes take to grow?

Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Other Crops in Rhode Island

When to plant radishes in other states

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