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toronado3800

Mahonia aquifolium invasiveness?

Hello all, just visiting from the tree forum. I was considering planting a couple of these in the shade under my walnuts where the honeysuckle used to be. On one government website it made confusing mention of Mahonia being an invasive barberry in 35 states. I could find no other reference to this and in fact a college hort. site said it was slow to establish.

Any idea who'se right?

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