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Invasive Plants: Is this an invasive plant?

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Forum: Invasive PlantsReplies: 4, Views: 257
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StPaulPeg
Saint Paul, MN
(Zone 4a)

January 17, 2007
11:45 PM

Post #3094826

I recently posted this on the plant indentification forum:

http://davesgarden.com/forums/t/684220/

In summary, this is a plant that grows between hosta in a mostly shady area of my garden. Everyone agrees that it seems to be some type of geranium. The final candidates were geranium thunbergii vs. geranium versicolor. I'd like to make sure, before I spread this around, that this is not a plant that will be invasive or otherwise cause problems in Minnesota. (I have an unfortunate history of being partial to goutweed and chameleon plant)

Does anyone know a reason for me to steer clear of this plant?

Thanks, Peg
claypa
West Pottsgrove, PA
(Zone 6b)

January 17, 2007
11:56 PM

Post #3094900

Geranium versicolor made it onto a list of invasive and noxious weeds


http://plants.usda.gov/java/introduced?queryParam=comname&sort=comname&startChar=V

and G. thunbergii

http://plants.usda.gov/java/introduced?queryParam=comname&sort=comname&startChar=T

StPaulPeg, I don't know anything about these plants. When I'm in doubt about a plant's invasiveness, I just type the species name and 'invasive' into the search bar and see what comes up. Sometimes it's just gardeners grousing about a plant that spread two feet into the wrong spot, sometimes you'll read about much more serious problems, like plants choking a waterway.

I do know there are some native geraniums that are similar, like Geranium maculatum. Those might interest you. I hope to have some seeds next year. . .. :)

This message was edited Jan 18, 2007 12:56 AM
StPaulPeg
Saint Paul, MN
(Zone 4a)

January 19, 2007
2:26 AM

Post #3098652

Thanks for the tip. When I followed your suggestion, I saw the plants were listed as invasive (but not anywhere near Minnesota) but noone seems to be complaining about too much.
Equilibrium

January 23, 2007
1:41 AM

Post #3112346

When in a position to do so, you should share a photo of the plant you are deliberating over. Something isn't quite right to me with that having been identified as Geranium versicolor. Close up photos would help even though you won't be able to share any for a long time.
StPaulPeg
Saint Paul, MN
(Zone 4a)

January 23, 2007
2:20 AM

Post #3112447

I agree - I'll plan on trying for some close ups next summer.

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