I strongly urge my fellow gardeners to read this article on why Butterfly Bush should be avoided. It sounds crazy, I know, because it is a beautiful shrub and very durable. But its ability to produce copious amounts of tiny seeds easily distributed far and wide by the wind is reeking serious havoc on ecosystems, displacing important native plants crucial to the survival of wildlife. Yes, there are new cultivars that boast of being sterile and non-invasive, but the same claims were made about the Callary pear tree and new varieties of Purple loosestrife that still managed to produce some seed that escaped and spread those plants like wildfire.
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