Radishes

Use our zone-based planting guide to know when to plant radishes.

Plant name Zone Start seeds indoors Start seeds outdoors Plant seedlings/transplants outdoors Plant spacing # plants per person
Radishes 3a Not recommended April 15-May 1; Aug. 1-15 Not recommended 2 inches 15
Radishes 3b Not recommended April 15-May 1; Aug. 1-15 Not recommended 2 inches 15
Radishes 4a Not recommended April 15-May 1; Aug. 1-15 Not recommended 2 inches 15
Radishes 4b Not recommended April 15-May 1; Aug. 1-15 Not recommended 2 inches 15
Radishes 5a Not recommended March 15-April 1; Sept, 1-15 Not recommended 2 inches 15
Radishes 5b Not recommended March 15-April 1; Sept, 1-15 Not recommended 2 inches 15
Radishes 6a Not recommended March 15-April 1; Sept, 1-15 Not recommended 2 inches 15
Radishes 6b Not recommended March 15-April 1; Sept, 1-15 Not recommended 2 inches 15
Radishes 7a Not recommended March 15-April 1; Sept, 1-15 Not recommended 2 inches 15
Radishes 7b Not recommended March 15-April 1; Sept, 1-15 Not recommended 2 inches 15
Radishes 8a Not recommended Feb. 15-March 1; Oct. 1-15 Not recommended 2 inches 15
Radishes 8b Not recommended Feb. 15-March 1; Oct. 1-15 Not recommended 2 inches 15
Radishes 9a Not recommended Nov. 15-Feb. 15 Not recommended 2 inches 15
Radishes 9b Not recommended Nov. 15-Feb. 15 Not recommended 2 inches 15
Radishes 10a Not recommended Dec. 15-Jan. 15 Not recommended 2 inches 15
Radishes 10b Not recommended Dec. 15-Jan. 15 Not recommended 2 inches 15
Radishes 11a Not recommended Dec. 15-Jan. 15 Not recommended 2 inches 15
Radishes 11b Not recommended Dec. 15-Jan. 15 Not recommended 2 inches 15

* Succession plant every 1-2 weeks throughout the spring for a continuous harvest until warm summer weather arrives. Start again 4-6 weeks before the average first frost date.