Plant name | Zone | Start seeds indoors (spring/fall) | Start seeds outdoors (spring/fall) | Plant seedlings/transplants outdoors (spring/fall) | Plant spacing | # plants per person |
Butterfly bush | 3a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 3b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 4a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 4b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 5a | Feb. 1-15 | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 5b | Feb. 1-15 | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 6a | Feb. 1-15 | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 6b | Feb. 1-15 | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 7a | Feb. 1-15 | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 7b | Feb. 1-15 | Not recommended | On/around April 15 (after last frost); Sept. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 8a | Jan. 1-15 | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 8b | Jan. 1-15 | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 9a | Dec. 1-15 | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 9b | Dec. 1-15 | Not recommended | On/around March 15 (after last frost); Oct. 1-15 | 4-15 feet (depending on variety) | n/a |
Butterfly bush | 10a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 10b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 11a | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
Butterfly bush | 11b | Not recommended | Not recommended | Not recommended | Not recommended | n/a |
* Butterfly bush is considered invasive in some locations. Check with your local Extension office before planting. Plant after the last frost in the spring or before the first frost in the fall.