The most important characteristic of invasive Honeysuckle shrubs in the northeast is: they all have a hollow pith, while the native Bush Honeysuckle (Diervilla lonicera) has a solid pith.
Which invasive Honeysuckle, is a bit trickier.
The following table should help you decide which Honeysuckle you have.
So, here’s a quiz for you all. Which one is this?
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