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Rosebay Willowherb (Chamerion angustifolium)
Observed: 23rd April 2013 By: Thistle
Added: 24th April 2013
We've never had this stuff in the garden before but plenty of seedlings this year. Was last season particularly good for it. I'm always surprised that it's not nominated as an invasive species. It's difficult to remove from a site once it gets a hold.