This disrupts local ecosystems and reduces biodiversity, harming native wildlife that depends on those plants. Find out why they can be bad to grow and what to plant instead. · butterfly bushes do attract pollinators but they also have some big drawbacks. · butterfly bush (buddleja davidii) is considered invasive in most of the united states. Butterfly bush is highly invasive in many regions, escaping gardens and outcompeting native plants. Now, considering most suburban gardens grow exotics rather than natives (something we’re trying to change), the butterfly bush may not seem like a big deal. · so, why not grow butterfly bush? The problem of the butterfly bush has been recognized by many states where it is listed as noxious and invasive [1]. · from their invasive nature to their minimal support for local wildlife , these bushes present challenges that far outweigh their aesthetic value. It’s also an invasive plant, spreading rapidly and outcompeting many native species like willow trees. · unfortunately, butterfly bush has a reputation for more than just attracting butterflies. Here are seven reasons why you might want to reconsider planting butterfly bushes in your garden. While butterfly bush has lots going for it, it’s actually an invasive plant in many areas and may not provide as many pollinator benefits as you may think. The plant can escape cultivation and displace native species, causing ecological disruption.