Plant name | Zone | Start seeds indoors | Start seeds outdoors | Plant seedlings/transplants outdoors | Plant spacing | # plants per person |
Broccoli | 3a | March 15-April 1 | April 23-May 1 | April 15-May 1; June 1-15 | 18 inches | 3-5 |
Broccoli | 3b | March 15-April 1 | April 23-May 1 | April 15-May 1; June 1-15 | 18 inches | 3-5 |
Broccoli | 4a | March 15-April 1 | April 23-May 1 | April 15-May 1; June 1-15 | 18 inches | 3-5 |
Broccoli | 4b | March 15-April 1 | April 23-May 1 | April 15-May 1; June 1-15 | 18 inches | 3-5 |
Broccoli | 5a | Feb. 15-March 1 | March 23-April 1 | March 15-April 1; July 1-15 | 18 inches | 3-5 |
Broccoli | 5b | Feb. 15-March 1 | March 23-April 1 | March 15-April 1; July 1-15 | 18 inches | 3-5 |
Broccoli | 6a | Feb. 15-March 1 | March 23-April 1 | March 15-April 1; July 1-15 | 18 inches | 3-5 |
Broccoli | 6b | Feb. 15-March 1 | March 23-April 1 | March 15-April 1; July 1-15 | 18 inches | 3-5 |
Broccoli | 7a | Feb. 15-March 1 | March 23-April 1 | March 15-April 1; July 1-15 | 18 inches | 3-5 |
Broccoli | 7b | Feb. 15-March 1 | March 23-April 1 | March 15-April 1; July 1-15 | 18 inches | 3-5 |
Broccoli | 8a | Jan. 15-Feb. 1 | Feb. 23-March 1 | Feb. 15-March 1; Aug. 1-15 | 18 inches | 3-5 |
Broccoli | 8b | Jan. 15-Feb. 1 | Feb. 23-March 1 | Feb. 15-March 1; Aug. 1-15 | 18 inches | 3-5 |
Broccoli | 9a | Dec. 15-Jan. 1 | Nov. 23-Dec. 1 | Nov. 15-Dec. 1; Aug. 1-15 | 18 inches | 3-5 |
Broccoli | 9b | Dec. 15-Jan. 1 | Nov. 23-Dec. 1 | Nov. 15-Dec. 1; Aug. 1-15 | 18 inches | 3-5 |
Broccoli | 10a | Nov. 30-Dec. 15 | Jan 7-21 | Nov. 1-15; Aug. 1-15 | 18 inches | 3-5 |
Broccoli | 10b | Nov. 30-Dec. 15 | Jan 7-21 | Nov. 1-15; Aug. 1-15 | 18 inches | 3-5 |
Broccoli | 11a | 6-8 weeks before planting outside | Feb. 1-April 1 | February-April; October-December | 18 inches | 3-5 |
Broccoli | 11b | 6-8 weeks before planting outside | Feb. 1-April 1 | February-April; October-December | 18 inches | 3-5 |
* Start seeds indoors 6-8 weeks before last frost date. Transplant outside 4-6 weeks later. Direct sow 2-3 weeks before last frost date. Direct sow in mid-summer for fall harvest.