Budleias bloom on new wood so it is wise to cut them to the ground in early spring to promote lots of flowers.
May be Winter Sown.
By our calculations*, you should look at sowing Butterfly bush about 56 days before your last frost date .
These estimates for how long Butterfly bush takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 35 days | Min 18 days | Max 3968 days (4)
Average days | Min days | Max days (0)
Average 900 days | Min 16 days | Max 1102 days (11)
Our when to plant Butterfly bush estimates are relative to your last frost date.
Orange eye butterflybush, Buddleja
Buddleia davidii
Misspellings: Buddleja , Buddleia davidii