Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Hibiscus (Hardy) | 3a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hibiscus (Hardy) | 3b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hibiscus (Hardy) | 4a | Feb. 15-March 1 | Not recommended | On/around May 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 4b | Feb. 15-March 1 | Not recommended | On/around May 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 5a | Jan. 15-Feb. 1 | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 5b | Jan. 15-Feb. 1 | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 6a | Jan. 15-Feb. 1 | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 6b | Jan. 15-Feb. 1 | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 7a | Jan. 15-Feb. 1 | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 7b | Jan. 15-Feb. 1 | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 8a | Dec. 15-Jan. 1 | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 8b | Dec. 15-Jan. 1 | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 9a | Nov. 15-Dec. 1 | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 9b | Nov. 15-Dec. 1 | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Hibiscus (Hardy) | 10a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hibiscus (Hardy) | 10b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hibiscus (Hardy) | 11a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Hibiscus (Hardy) | 11b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
* Start seeds indoors 10-12 weeks before the average last frost date or plant a starter plant. Hardy to Zones 4-9. Make sure you have a perennial variety versus a tropical annual.