buddleja davidii empire blue - Gardening
The butterfly bush, Buddleja davidii, is now listed as a Class C noxious weed by the state. Gardeners may be eyeing the butterfly bushes in their landscape and wondering whether their particular ... Buddleja species, especially Buddleja davidii and interspecific hybrids, are commonly known as butterfly bushes and are frequently cultivated as garden shrubs.
Understanding the Context
[5] In this guide, we’ll help you plant, grow, prune, and responsibly care for Buddleja—so you can enjoy its beauty while being a smart steward of your garden. Also called “summer lilacs,” butterfly bushes (Buddleia davidii) are hardy to Zone 5 and remain evergreen from Zone 8 south. To plant or not to plant has been the question surrounding butterfly bush (Buddleia or Buddleja davidii) for years. Its many blossoms, although irresistible to butterflies, can lead to aggressive re-seeding.