DibbleWhen to plant radishes in Zone 6
In Zone 6, the last spring frost usually passes around April 21 and the first fall frost arrives around October 17, leaving about 179 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Generous season. Spring and fall plantings both productive.
Planting windows for radishes in Zone 6
| Task | Window |
|---|---|
| Direct sow | Mar 24 to Apr 7 |
| Estimated harvest | Apr 21 to May 1 |
The harvest estimate counts 28 days to maturity, then a picking window of about 10 days. These windows use typical frost dates for Zone 6; Dibble pins them to your exact ZIP code.
Get reminders for these exact dates
Dibble turns your ZIP code into a full planting calendar and reminds you on the right day. Free to start, no account needed.
Radish in a Zone 6 season
Zone 6 gives about 179 frost-free days. Radish needs roughly 28 days from sowing. That leaves about 151 days of slack, so there is room for a late start or a second planting.
Sowing every 10 days, Zone 6 has room for about 16 plantings.
How to grow radishes
The fastest crop, ready in about a month. Sow 4 weeks before last frost and every 10 days while it's cool.
Companion plants
Good neighbors for Radish:
Radish in other zones
Not in Zone 6? Pick your zone for the same dated windows.
Keep exploring
Radish: the full growing guide · The Zone 6 planting calendar · Every crop and zone
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.
Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.