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Campanula glomerata invasiveness
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Posted by
lmcd2 none (
My Page) on
Tue, May 15, 12 at 1:50
| Hi. How invasive is Campanula glomerata? I already bought it. I have two possible sites. One has great soil and one has reasonable soil (I improved the original soil, but it tends to be drier because of some tree root competition). Both sites are mostly sunny.
Thanks. |
Follow-Up Postings:
RE: Campanula glomerata invasiveness
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| For me, the difference in soil only affects the size of the plant, not how much it reproduces. It's not bad to pull out, but it's better if you can keep it under control by deadheading before the seeds ripen and spread themselves around. I love this plant, but I did let it get out of control. |
RE: Campanula glomerata invasiveness
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| Those cluster bell flowers are so beautiful when in flower. I have a miniature as well as a 'regular' size plant. |
RE: Campanula glomerata invasiveness
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| I have had mine in a difficult spot in my garden for many years without any problem. The spot IS very rooty and dries out fast. I doubt the soil is very "good" either. This situation has definitely kept it in check some I think. I've not tried it in an optimum location to compare, though I have a feeling it would be much more prolific in such a site! When in doubt about the 'invasiveness' of a plant I tend to plunk it in a difficult site to keep it in bounds or in an area I don't mind it roaming/seeding around a bit ;-) Lol
CMK |
RE: Campanula glomerata invasiveness
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well not at all. The only problematic campanulas I am aware of are the famously dreadful C.Rapunculoides - I love it and risk it although I have a clone which does not run everywhere)) and the running C.takesimana. Have heard that C.allarifolia can be bit dodgy too. C.pocharskya (one of the creeping ones) will spread but is so easy to just take a large handful and a gentle tug and it is under control. Symphyandra, a close relative, will run about and I think that some of the adenophoras are a bit naughty -not commonly grown in the UK for some reason.
The most irritating thing about C.glomerata is its tendency to fall over - and it always looks a bit weird if staked. I think if you grow it hard, it will be better. |
RE: Campanula glomerata invasiveness
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| IT IS INVASIVE! Although it does not run quickly, once it is inside its neighbors, you will weed it out FOREVER. It is not worth the trouble at all in my opinion. After blooming it looks absolutely anonymous(ratty).If you absolutely have to have a violet bellflower , I would suggest Kent Belle(can need staking) or Sarastro instead. Campanula allarifolia is a clumper, but seeds willingly if allowed(somehow it does lack charm in my opinion) |
RE: Campanula glomerata invasiveness
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| Clustered Bellflower IS invasive. I have been digging it out of my garden for years. I never even let it bloom, so it's not self seeding. I'm having the same issues with perennial bachelor's button and I have a patch of bellflower Rapunculoides which hitched a ride on a plant...still battling it after many years. It took me six years to finally win the war against the goutweed. I am very suspicious of possible invasives these days...be mindful of people who want to share plants with you, sometimes it's more trouble than it's worth. |
RE: Campanula glomerata invasiveness
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| Invasive in my garden too. It's not taking over but it sure would like to try. It's almost impossible to remove completely, the smallest bits will resprout. I have a heavier soil which it seems to really like. |
RE: Campanula glomerata invasiveness
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| OK, don't shout. C.glomerata has been planted all round the new rose gardens in Stanley Park, Blackpool, and has been remarkably well behaved. It certainly wasn't a thug in my garden but has sadly long departed as it truly does look shabbily tatty after its (short) flowering.I like to read Reginald Farrer's purple prose which reaches new heights (or is it depths) of sarcasm, regarding C.Rapunculoides but I bought mine from a little nursery (Monksilver in the UK) as a non-running clone.....and it has lived up to the promise. Still soil, climate, location....while my sandy and light soil is an invitation to infamy for some plants, I suspect the going is too mean for the clustered bellflower. |
RE: Campanula glomerata invasiveness
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- Posted by Eleven Michigan 6A (My Page) on
Wed, May 16, 12 at 11:07
| Is everyone growing the species or cultivars? Are they all equally invasive? I just planted several 'Bellefleur Blue' beneath a crabapple tree that doesn't play well with others. Guess I'll see how this variety does this year and the next. |
RE: Campanula glomerata invasiveness
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| Eleven, Plants Nouveau advertises a new selection called Freya, which is supposed to be non-invasive, but personally I do not believe in such things before I see them with my own eyes. If yours are planted on their own , it is not a problem. The problem is when they are planted with neighbors with whom they collide. Campanula, I just had to shout it. I just love to say 'I told you ' afterwards. If you google 'Campanula glomerata invasive' you can find many hits which confirm my words, especially on moist soil. |
RE: Campanula glomerata invasiveness
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| ah well, mine is east anglian sandy soil The dryest part of the UK so when I had it, it behaved itself,,,,apart from falling over and looking rubbish. I love campanulas (can you guess) but find them something of a trial - the little alpines are terrific but I LOVE the taller lactiflora, persiciflora (although they are easy...for everyone) and, of course, Kent Belle and Sarastro so a non-running rapunculoides was a gift. |
RE: Campanula glomerata invasiveness
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| wiselaw wrote: Plants Nouveau advertises a new selection called Freya, which is supposed to be non-invasive, but personally I do not believe in such things before I see them with my own eyes. FWIW I have recently planted a front border this spring alternating between "Freya" and "Gaillardia Arizona Apricot". I actually made contact with the developer of this plant and he stated quite clearly that it was a compact non spreader. Of course Campanula does not necessarily equate to 'spreader'. I have the Campanula "Summertime Blues" and it plays very nice with others around it. I am sure there are lots of other examples. |
RE: Campanula glomerata invasiveness
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- Posted by lmcd2 Z6 Ontario (My Page) on
Wed, May 16, 12 at 22:21
| Thank you, everyone. I'm not sure what to do with the plants. They're in small pots, and I didn't spend that much money on them, but I hate to toss such healthy-looking plants. However, I've already had to deal with goutweed, wild violets, and scilla, and I don't really need another invasive plant. Even if they aren't that invasive where I plant them, I hate to waste precious space on something that will look shabby after it finishes blooming. I swear these plants have gotten bigger in their pots since I bought them five days ago. That might be a bad sign. |
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