Tonight after dinner we noticed the wind picking up and large cumulus anvils towering over the street. I went out to see and noticed this patch of yard flowers heaving back and forth. I saw the impressions of the flowers and then wondered what these plants are. Turns out that it's creeping bellflower, a vigorous invasive species that in Wisconsin is listed as a "restricted invasive plant." It grows quickly and one plant produces 15,000 seeds a year.
Campanula rapunculoides is a perennial and it can regrow from even the tiniest piece of root, which are usually 18 inches long. Like many grasses, they grow rhizomatically, meaning it can grow a new plant by sprouting from its roots. While this is a gorgeous flower that adds a lot of nice color in early summer, its best to pull of the flower heads before they go to seed, probably by late August.
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