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Mustard Greens

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

Plant name Zone Start seeds indoors Start seeds outdoors Plant seedlings/transplants outdoors Plant spacing # plants per person
Mustard Greens 3a Not recommended April 1-15; July 15-Aug. 1 April 1-15; July 15-Aug. 1 12-18 inches 6-10
Mustard Greens 3b Not recommended April 1-15; July 15-Aug. 1 April 1-15; July 15-Aug. 1 12-18 inches 6-10
Mustard Greens 4a Not recommended April 1-15; July 15-Aug. 1 April 1-15; July 15-Aug. 1 12-18 inches 6-10
Mustard Greens 4b Not recommended April 1-15; July 15-Aug. 1 April 1-15; July 15-Aug. 1 12-18 inches 6-10
Mustard Greens 5a Not recommended March 1-15; Aug. 15-Sept. 1 March 1-15; Aug. 15-Sept. 1 12-18 inches 6-10
Mustard Greens 5b Not recommended March 1-15; Aug. 15-Sept. 1 March 1-15; Aug. 15-Sept. 1 12-18 inches 6-10
Mustard Greens 6a Not recommended March 1-15; Aug. 15-Sept. 1 March 1-15; Aug. 15-Sept. 1 12-18 inches 6-10
Mustard Greens 6b Not recommended March 1-15; Aug. 15-Sept. 1 March 1-15; Aug. 15-Sept. 1 12-18 inches 6-10
Mustard Greens 7a Not recommended March 1-15; Aug. 15-Sept. 1 March 1-15; Aug. 15-Sept. 1 12-18 inches 6-10
Mustard Greens 7b Not recommended March 1-15; Aug. 15-Sept. 1 March 1-15; Aug. 15-Sept. 1 12-18 inches 6-10
Mustard Greens 8a Not recommended Feb. 1-15; Sept. 15-Oct. 1 Feb. 1-15; Sept. 15-Oct. 1 12-18 inches 6-10
Mustard Greens 8b Not recommended Feb. 1-15; Sept. 15-Oct. 1 Feb. 1-15; Sept. 15-Oct. 1 12-18 inches 6-10
Mustard Greens 9a Not recommended Fall and winter Fall and winter 12-18 inches 6-10
Mustard Greens 9b Not recommended Fall and winter Fall and winter 12-18 inches 6-10
Mustard Greens 10a Not recommended Fall and winter Fall and winter 12-18 inches 6-10
Mustard Greens 10b Not recommended Fall and winter Fall and winter 12-18 inches 6-10
Mustard Greens 11a Not recommended Not recommended Not recommended 12-18 inches 6-10
Mustard Greens 11b Not recommended Not recommended Not recommended 12-18 inches 6-10

* Direct sow seeds 4-6 weeks before the average last frost date. Set seedlings out 4-6 weeks before the average last frost date as well. Succession plant until early summer, then stop until mid- to late-summer, and then plant again for a fall harvest.