Butterfly bushes only bloom on new growth. Cutting back is done in spring (hoorah!) so since we are only 10 days on, this is a fine time to do it. You can cut it to 12 to 24 inches high. Reply
Butterfly bushes only bloom on new growth. Cutting back is done in spring (hoorah!) so since we are only 10 days on, this is a fine time to do it. You can cut it to 12 to 24 inches high.