How Many Hours of Sun Does a Butterfly Bush Need?
The butterfly bush (Buddleia davidii) is a deciduous, semi-evergreen shrub that needs at least six hours of full sun exposure each day. Butterfly bushes are found growing in United States Department of Agriculture zones 5 through 10.
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About this Author
Amy Deemer began her writing career in 1992. She began writing online content in 2009 and writes primarily for Answerbag and Garden Guides. Deemer enjoys researching and writing about flowers, plants and gardening. Deemer has an Associate of Arts in liberal studies from Westmoreland Community College.