Plant name | Zone | Start seeds indoors | Start seeds outdoors | Plant seedlings/transplants outdoors | Plant spacing | # plants per person |
Leeks | 3a | Feb. 15-March 1 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 6 inches | 12-15 |
Leeks | 3b | Feb. 15-March 1 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 6 inches | 12-15 |
Leeks | 4a | Feb. 15-March 1 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 6 inches | 12-15 |
Leeks | 4b | Feb. 15-March 1 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 6 inches | 12-15 |
Leeks | 5a | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 6 inches | 12-15 |
Leeks | 5b | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 6 inches | 12-15 |
Leeks | 6a | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 6 inches | 12-15 |
Leeks | 6b | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 6 inches | 12-15 |
Leeks | 7a | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 6 inches | 12-15 |
Leeks | 7b | Jan. 15-Feb. 1 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 6 inches | 12-15 |
Leeks | 8a | Dec. 15-Jan. 1 | On/around March 15 (after last frost) | On/around March 15 (after last frost) | 6 inches | 12-15 |
Leeks | 8b | Dec. 15-Jan. 1 | On/around March 15 (after last frost) | On/around March 15 (after last frost) | 6 inches | 12-15 |
Leeks | 9a | September-November; March-April | September-November; March-April | September-November; March-April | 6 inches | 12-15 |
Leeks | 9b | September-November; March-April | September-November; March-April | September-November; March-April | 6 inches | 12-15 |
Leeks | 10a | September-December; February-April | September-December; February-April | September-December; February-April | 6 inches | 12-15 |
Leeks | 10b | September-December; February-April | September-December; February-April | September-December; February-April | 6 inches | 12-15 |
Leeks | 11a | September-April | September-April | September-April | 6 inches | 12-15 |
Leeks | 11b | September-April | September-April | September-April | 6 inches | 12-15 |
* Start seedlings indoors 10-12 weeks before last frost date. In warmer climates, leeks can be grown most of the winter.