When to plant sunflowers in Rhode Island

Sunflowers
Sow outdoors in Providence
Apr 11–May 2

Across Rhode Island the window opens between April 7 and April 22. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Providence
Apr 11–May 2
Last sowing for a harvest
Jul 8
Last frost, Providence
Apr 11

Sow outdoors up to 3 weeks after the last frost. Sow every two weeks until midsummer for flowers through fall.

Sunflowers planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
ProvidenceApr 11–May 2
CranstonApr 11–May 2
WarwickApr 11–May 2
PawtucketApr 22–May 13
East ProvidenceApr 11–May 2
WoonsocketApr 22–May 13
NewportApr 7–Apr 28
Central FallsApr 22–May 13

Questions

When should I plant sunflowers in Rhode Island?

In Providence, sow outdoors from April 11 to May 2. Across Rhode Island the window opens between April 7 and April 22, depending on the local last frost.

How is this date worked out?

Sow outdoors up to 3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Rhode Island

Sunflowers in other states

Frost dates for every city in Rhode Island