Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Shiso | 3a | April 1-15 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 3b | April 1-15 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 4a | April 1-15 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 4b | April 1-15 | On/around May 15 (after last frost) | On/around May 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 5a | March 1-15 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 5b | March 1-15 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 6a | March 1-15 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 6b | March 1-15 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 7a | March 1-15 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 7b | March 1-15 | On/around April 15 (after last frost) | On/around April 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 8a | Feb. 1-15 | On/around March 15 (after last frost) | On/around March 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 8b | Feb. 1-15 | On/around March 15 (after last frost) | On/around March 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 9a | Dec. 15-Jan. 1 | On/around Feb. 15 (after last frost) | On/around Feb. 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 9b | Dec. 15-Jan. 1 | On/around Feb. 15 (after last frost) | On/around Feb. 15 (after last frost) | 10-15 inches | 1-2 for the household |
Shiso | 10a | year-round | year-round | year-round | 10-15 inches | 1-2 for the household |
Shiso | 10b | year-round | year-round | year-round | 10-15 inches | 1-2 for the household |
Shiso | 11a | year-round | year-round | year-round | 10-15 inches | 1-2 for the household |
Shiso | 11b | year-round | year-round | year-round | 10-15 inches | 1-2 for the household |
* Shiso is only hardy to Zones 10 and 11, and is grown as an annual elsewhere. Start indoors 4-6 weeks before the average last frost date, or sow or transfer seedlings outdoors after the average last frost date.