Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Amsonia/Blue Star | 3a | Not recommended | Not recommended | On/around May 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 3b | Not recommended | Not recommended | On/around May 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 4a | Not recommended | Not recommended | On/around May 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 4b | Not recommended | Not recommended | On/around May 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 5a | Not recommended | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 5b | Not recommended | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 6a | Not recommended | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 6b | Not recommended | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 7a | Not recommended | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 7b | Not recommended | Not recommended | On/around April 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 8a | Not recommended | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 8b | Not recommended | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 9a | Not recommended | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 9b | Not recommended | Not recommended | On/around March 15 (after last frost) | 2-3 feet | n/a |
Amsonia/Blue Star | 10a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Amsonia/Blue Star | 10b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Amsonia/Blue Star | 11a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Amsonia/Blue Star | 11b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
* Be sure to research a variety that is cold-hardy to your growing Zone. Starting from seeds is timely (upwards of 20 weeks) and can be challenging. For best results, start with seedlings.