Looking around, it’s easy to see (and smell) this crisis. The pungent Callery pear (Pyrus calleryana) trees blooming white in late March and early April appear not just in the neighborhoods where they were planted, but also in empty fields, along roadsides and in forests. And those shrubs that leafed out weeks before anything else in Indiana? Those are invasive Asian bush honeysuckle (Lonicera tatarica). The problem is that, in addition to spreading prolifically, these plants are disrupting nature.
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