Negative Impacts. Butterfly Bush benefits pollinators but only at one stage of their life cycle. It attracts butterflies because it provides copious nectar.

Which Buddleia is best for butterflies?

Otherwise known as the 'butterfly bush', buddleia (Buddleja) is one of the best nectar shrubs you can plant for butterflies. It attracts a wide variety of species, including red admiral, peacock and small tortoiseshell. The Buddleja davidii, Buddleja x weyeriana and Buddleja globosa varieties are the best options.

Do butterflies eat Buddleia?

But it's so good for butterflies!

Yes, Buddleia davidii can attract many butterflies, but if it is at the expense of rare invertebrates that would otherwise be living there, it is preferable to plant non-invasive flowers for the butterflies to nectar at.