Are Black Locust Trees Invasive Even Though They’re Native?

White flowers growing on a black locust tree

What’s the story with black locust, also known as false acacia? Is it a stunning ornamental or an extremely invasive undesirable? Read on for the curious answer. Black Locust Tree It’s hard not to fall in love with black locust (Robinia pseudoacacia). Few trees produce more abundant, beautiful, or fragrant flowers, or afford more pleasing contrast between the upper and lower surfaces of the leaves. It is such an appealing tree, with a massive trunk (to 100 feet tall or 30.5 m) and broad limbs, in stark contrast to the chains of gorgeous white racemes of blossoms and the fluttery, graceful foliage.The flowers develop 3- to 4-inch (7.6 to 10 cm) brown seed pods. These pods, which resemble dried, flat pea pods, each contain up to 8 seeds, and they are extremely durable. They not only last through the winter, but their durable, impermeable outer coating helps these seeds last […]

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