When to plant Radish
The fastest crop, ready in about a month. Sow 4 weeks before last frost and every 10 days while it's cool.
When to plant Radish by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | April 17 | May 15 |
| Zone 4 | not needed | April 12 | May 10 |
| Zone 5 | not needed | April 2 | April 30 |
| Zone 6 | not needed | March 24 | April 21 |
| Zone 7 | not needed | March 13 | April 10 |
| Zone 8 | not needed | February 28 | March 28 |
| Zone 9 | not needed | February 1 | March 1 |
| Zone 10 | not needed | January 3 | January 31 |
| Zone 11 | not needed | December 4 | January 1 |
These dates use typical frost dates for each zone. Dibble tunes them to your exact ZIP and lets you adjust frost dates for your own yard.
Companion plants
Good neighbors for Radish:
Family and rotation
Radish is in the brassicas family. Hungry leaf crops. Follow legumes; avoid following other brassicas. Learn about crop rotation.
Related crops
Kale
When to plantBroccoli
When to plantCabbage
When to plantCauliflower
When to plantBrussels Sprouts
When to plantTurnip
When to plantQuestions
When should I plant radish?
It depends on your zone. Radish is a hardy crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and enter your ZIP to get your own calendar.
How long does radish take to grow?
About 28 days from sowing to the first harvest, with a picking window of roughly 10 days after that.
What grows well with radish?
Good companions include Carrot, Lettuce, Pea, Cucumber.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.