Butterfly Bush

Use our zone-based planting guide to know when to plant butterfly bush.

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.