Need help with an ID on this geranium

northerner_on(Z5A ONCanada)August 25, 2011

Hello everyone: This is my first visit to this site, and it is because of this mystery plant. I have been collecting hardy geraniums for a few years, and this one I grew from seed. The seeds were labelled 'Geranium mauve' and it gew very well, sprawled a bit like a ground cover in a shady area, and produced loads of little flowers (which look like geraniums) in late fall, and it also set seed. The fact is that several of these seeds have produced volunteers nearby which I have collected in pots (they looked like columbines when small), and now I realize these are the offspring of the unknown plant. This plant is growing so vigourously in shade, I wonder if it is a weed, but maybe someone on this site can help. Here are two pics. The first one is a close-up of the flower, the second shows the foliage in a 3-inch pot sitting on an old lawn chair, which will give you an idea of the dimensions of the plant. Thank you in advance.

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ontnative(5b Can/USDA 4)

I have a similar geranium seedling that I got through a seed exchange labelled G. palustre (which it is NOT). I think it might be G. thunbergii, generally considered a weedy type. The flowers are very small and similar colour to yours. I kept it this year and let it flower, which it is doing now, to try to identify it with some degree of certainty.

    Bookmark   September 5, 2011 at 7:02PM
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northerner_on(Z5A ONCanada)

Hi Ontnative, this message was not delivered to my e-mail as I requested, so I am lucky I just decided to try the forum. These plants are all in flower now and are setting seed. As you said, they are a bit weedy and tend to sprawl like a ground cover. BTW, I had great success with many of your seeds. You should see Helianthus Lemon Queen - it's over ten feet tall and is taking my garden over. I am expecting a full show in the coming weeks. Thanks again.

    Bookmark   September 6, 2011 at 2:51AM
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