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How invasive is Salvia pratensis?

Posted by mscanthus 5a (My Page) on
Tue, Apr 5, 11 at 9:21

I am considering putting this variety of salvia behind knockout roses and cityline hydrangea in front of a stone wall. Will this overtake my shrubs? Is Nepeta 'Six Hills Giant' a better choice? Any other suggestions?


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RE: How invasive is Salvia pratensis?

It really depends where you live within zone 5. It is considered a banned invasive in Washington state, and often self-sows and spreads in the northwest and similar areas, which have alpine climates.

No problem in the subtropical southeastern USA, which doesn't provide alpine plants with a beneficial environment. The nights are too hot and humid.

In the Midwest and northeastern states, there is persistence and a tendency to self-sow, but in a controllable way.


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