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Collard Greens

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

Plant name Zone Start seeds indoors Start seeds outdoors Plant seedlings/transplants outdoors Plant spacing # plants per person
Collard Greens 3a March 1-15; June 1-15 April 15-May 1 April 15-21; July 15-Aug. 1 18-24 inches 2-3
Collard Greens 3b March 1-15; June 1-15 April 15-May 1 April 15-21; July 15-Aug. 1 18-24 inches 2-3
Collard Greens 4a March 1-15; June 1-15 April 15-May 1 April 15-21; July 15-Aug. 1 18-24 inches 2-3
Collard Greens 4b March 1-15; June 1-15 April 15-May 1 April 15-21; July 15-Aug. 1 18-24 inches 2-3
Collard Greens 5a Feb. 1-15; July 1-15 March 15-April 1 March 7-15; Aug. 15-Sept. 1 18-24 inches 2-3
Collard Greens 5b Feb. 1-15; July 1-15 March 15-April 1 March 7-15; Aug. 15-Sept. 1 18-24 inches 2-3
Collard Greens 6a Feb. 1-15; July 1-15 March 15-April 1 March 7-15; Aug. 15-Sept. 1 18-24 inches 2-3
Collard Greens 6b Feb. 1-15; July 1-15 March 15-April 1 March 7-15; Aug. 15-Sept. 1 18-24 inches 2-3
Collard Greens 7a Feb. 1-15; July 1-15 March 15-April 1 March 7-15; Aug. 15-Sept. 1 18-24 inches 2-3
Collard Greens 7b Feb. 1-15; July 1-15 March 15-April 1 March 7-15; Aug. 15-Sept. 1 18-24 inches 2-3
Collard Greens 8a Jan. 1-15; Aug. 1-15 Feb. 15-March 1 Feb. 7-15; Sept. 15-Oct. 1 18-24 inches 2-3
Collard Greens 8b Jan. 1-15; Aug. 1-15 Feb. 15-March 1 Feb. 7-15; Sept. 15-Oct. 1 18-24 inches 2-3
Collard Greens 9a Dec. 1-15; Aug. 1-15 Jan. 15-30 Jan. 7-15; Sept. 15-Oct. 1 18-24 inches 2-3
Collard Greens 9b Dec. 1-15; Aug. 1-15 Jan. 15-30 Jan. 7-15; Sept. 15-Oct. 1 18-24 inches 2-3
Collard Greens 10a Nov. 15-Dec. 1; Aug. 1-15 Jan. 1-15 Dec. 24-Jan. 1; Sept. 15-Oct. 1 18-24 inches 2-3
Collard Greens 10b Nov. 15-Dec. 1; Aug. 1-15 Jan. 1-15 Dec. 24-Jan. 1; Sept. 15-Oct. 1 18-24 inches 2-3
Collard Greens 11a September-March September-March September-March 18-24 inches 2-3
Collard Greens 11b September-March September-March September-March 18-24 inches 2-3

* Set out spring plants 3 to 4 weeks before the last frost; in late summer, plant 6 to 8 weeks before the first frost for fall and winter harvests. Direct sow when the soil can be worked in the spring. Use seedlings to replant in mid-summer for a fall harvest.