I was going to start writing today about my recent trip to the Tallgrass Prairie, but I have to delay those posts for one more day to get on my peach crate about Creeping Bellflower (Campanula rapunculoides) and Clustered Bellflower (Campanula glomerata). Here goes….
As we drove Up North this weekend through the Chequamegon-Nicolet National Forest for a family gathering, and as we slowed to drive through all the small towns along the way, I noticed Creeping Bellflower in many of the gardens scattered here and there and EVERYWHERE. Then when we got to our destination, there in a hillside planting near the lake was Clustered Bellflower.* We just couldn’t get away from it! I know they’re pretty flowers, but they are not native and they are highly invasive, and they displace our native plants. I know because I’ve been trying to eradicate them from a spot in my prairie for years. I also know because they’re on many states Invasive Species Lists. See Wisconsin Law NR 40.
So, please! If these plants pop up in your gardens, don’t just view them as a pretty surprise!! View them as the very serious invading monster they are and get rid of them into the landfill as quickly as possible!!!
*Campanula sp is a prolific seed producer, so once the seed gets into the lake, it will likely spread along the lake shore pretty quickly.
I have been waging a battle with this for years. Worst is when people post pictures of it in their gardens. NO, not pretty! Just try to dig it out and deal with those awful tuberous roots.
I’m with you on this, Sarah!
I’m currently trying to deal with the clustered capanula that has spread through one of my larger perennial beds (in Alaska zone 3) after a couple years of neglecting gardening due to personal issues. Digging up the entire bed would be a major effort and cost. Do you have any other recommendations? I’ve already removed and relocated other plants from this bed that I want to save but I’m ready to sacrifice the rest in order to get rid of this beautiful but terrible flower……. Thanks!
Sarah — use 50% Round-Up (glyphopsate). Good Luck! — Donna
Herbicides: While not recommended for home gardens, herbicides containing dicamba or triclopyr can be used, but may require multiple applications and higher doses, especially for creeping bellflower or clustered bellflower. The Wisconsin Department of Natural Resources (.gov) also mentions using glyphosate (like Roundup) for control. (Google)
Sarah — you should consider smothering it, too, rather than using Round-Up — Donna
Had to battle this in my garden in Washington. It’s probably still there. Have it here, too.
It’s good to hear from you, Joan. It’s probably found invading every state except maybe the Southwestern states. Although it’s not picky about soil type, or even light conditions, it seems to thrive in moister soils.
You could always just enjoy your own little flowers and plants that you have planted in your own garden. That way, when you plan your next trip to the park, you’ll be able to see the flowers that are in front of you, and keeping in mind that they will not be in your garden, you will be able to see them as they grow in the spring, when they are in full bloom. They are very beautiful and very happy and healthy plants that will make you feel good, and you will be able to enjoy your day and smile. 💜
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