FrostCal

When to Plant Radishes in Connecticut

In a typical Connecticut location, sow outdoors Mar 14 – Mar 28. Across the state, the outdoor planting window starts as early as Mar 1 in Bridgeport and as late as Apr 3 in Torrington. For a fall crop, plant around Sep 11 – Sep 25.

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
BridgeportMar 1 – Mar 15Sep 25 – Oct 9
New HavenMar 13 – Mar 27Sep 15 – Sep 29
StamfordMar 13 – Mar 27Sep 11 – Sep 25
North StamfordMar 13 – Mar 27Sep 11 – Sep 25
HartfordMar 13 – Mar 27Sep 14 – Sep 28
WaterburyMar 22 – Apr 5Sep 4 – Sep 18
NorwalkMar 13 – Mar 27Sep 11 – Sep 25
DanburyMar 16 – Mar 30Sep 8 – Sep 22
East NorwalkMar 13 – Mar 27Sep 11 – Sep 25
New BritainMar 13 – Mar 27Sep 14 – Sep 28
West HartfordMar 13 – Mar 27Sep 14 – Sep 28
BristolMar 21 – Apr 4Sep 6 – Sep 20
MeridenMar 22 – Apr 5Sep 4 – Sep 18
HamdenMar 14 – Mar 28Sep 14 – Sep 28
FairfieldMar 1 – Mar 15Sep 25 – Oct 9
West HavenMar 13 – Mar 27Sep 15 – Sep 29
MilfordMar 1 – Mar 15Sep 25 – Oct 9
StratfordMar 1 – Mar 15Sep 25 – Oct 9
City of Milford (balance)Mar 1 – Mar 15Sep 25 – Oct 9
East HartfordMar 13 – Mar 27Sep 14 – Sep 28
MiddletownMar 22 – Apr 5Sep 4 – Sep 18
EnfieldMar 17 – Mar 31Sep 4 – Sep 18
SouthingtonMar 22 – Apr 5Sep 4 – Sep 18
SheltonMar 21 – Apr 4Sep 5 – Sep 19
NorwichMar 10 – Mar 24Sep 12 – Sep 26
TrumbullMar 1 – Mar 15Sep 25 – Oct 9
West TorringtonApr 3 – Apr 17Aug 24 – Sep 7
TorringtonApr 3 – Apr 17Aug 24 – Sep 7
GlastonburyMar 13 – Mar 27Sep 14 – Sep 28
NaugatuckMar 14 – Mar 28Sep 14 – Sep 28

Showing the 30 most populous of 86 Connecticut cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Connecticut cities.

Frequently Asked Questions

When should I plant radishes in Connecticut?

In a typical Connecticut location, sow outdoors Mar 14 – Mar 28. Across the state, the outdoor planting window starts as early as Mar 1 in Bridgeport and as late as Apr 3 in Torrington. For a fall crop, plant around Sep 11 – Sep 25.

When is the last frost in Connecticut?

The average last spring frost in Connecticut ranges from April 5 in Bridgeport to May 8 in Torrington, 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 Connecticut

When to plant radishes in other states

Related Guides