Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Celosia | 3a | April 1-15 | Not recommended | On/around May 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 3b | April 1-15 | Not recommended | On/around May 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 4a | April 1-15 | Not recommended | On/around May 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 4b | April 1-15 | Not recommended | On/around May 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 5a | March 1-15 | Not recommended | On/around April 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 5b | March 1-15 | Not recommended | On/around April 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 6a | March 1-15 | Not recommended | On/around April 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 6b | March 1-15 | Not recommended | On/around April 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 7a | March 1-15 | Not recommended | On/around April 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 7b | March 1-15 | Not recommended | On/around April 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 8a | Feb. 1-15 | Not recommended | On/around March 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 8b | Feb. 1-15 | Not recommended | On/around March 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 9a | Feb. 1-15 | Not recommended | On/around March 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 9b | Feb. 1-15 | Not recommended | On/around March 30 (2 weeks after last frost) | 6-18 inches | n/a |
Celosia | 10a | 4-6 weeks before planting outside | Not recommended | year-round | 6-18 inches | n/a |
Celosia | 10b | 4-6 weeks before planting outside | Not recommended | year-round | 6-18 inches | n/a |
Celosia | 11a | 4-6 weeks before planting outside | Not recommended | year-round | 6-18 inches | n/a |
Celosia | 11b | 4-6 weeks before planting outside | Not recommended | year-round | 6-18 inches | n/a |
* Can be grown as a perennial in Zones 10-11. Start seeds indoors 4-6 weeks before planting outside. Transfer outside after the threat of frost, ideally two weeks after the average last frost date.