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Campanula glomerata 'Superba' |
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| Common name |
clustered bellflower |
| Family |
campanulaceae |
| Life cycle |
perennial (Z3-8) |
| Flowers |
violet (June-July) |
| Size |
18-30" |
| Light |
sun-part shade |
Returned to our garden (through a nursery purchase) several years after our original plants finally gave up the ghost. These new plants are nicer than I remembered our old ones being, with luscious clusters of rich purple blooms. The crinkly dull green foliage isn't much of an asset, but doesn't get in the way either.
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This plant used to grow in our garden, but it slipped away... One or more images of this plant are included in my stock photo catalog About my plant portraits
PlantLinks to other web pages about Campanula glomerata 'Superba'
Visitors to this page have left the following comments| marta Vultaggio | Jul 12, 2011 | Are these plants very invasive? I love the look of the plant, but was told they get out of control. Thanks.
I've not found C. glomerata to be at all invasive (unlike some of its cousins that take over the world). In fact, mine seem to disappear after a few years. Of course invasive tendencies may vary with the garden conditions provided (mine are typically none too cushy). |
| sharon | Jul 17, 2011 | I have been looking for the name of these Flowers.. I had two mystery one come up in my yard.. I don't remember planting them.. could of been brought in by birds or something..
thank you so much for sharing
You Have solved my mystery..
sharon |
| Helen | Sep 19, 2011 | I have hundreds of clustered Bellflower plants in my yard. A few plants were given to me about 49 years ago and I have planted them everywhere i have lived. I given away large pots of them to any one that asks....they do spread..!!!
They are probably my favorite perennial (next to daisies)...no bugs, no expert care and they grow in the shade, in the sun, with water, with minimum water......
a no brainer to grow and the most glorious blue/purple in the garden..!!
I have never seen them in a nursery for sale..??! Wonder why..?? Your pictures of them are spectacular.!! Thank you.! Helen |
| Larry | Jun 04, 2012 | I've had these for many years and also have giving away many pots. A couple years ago I transplanted these and butter cups side by side along the sidwalk, using hard plastic grass-barriers to keep them separated into 12" X 48" beds; the contrast is beautiful.
Sounds lovely, Larry |
| Lori Haight | Jun 17, 2012 | HI! Campanula glomerata 'Superba' is a flower that my mother had in her yard forever. This flower will bloom on the north side of the house..YES I have it on the north side of the house, which has maybe 3 hours of total sun; in the early morning and evening. It continues to spread, but not like some invasive plants do. I may get a couple stray plantings a year, and I simple put them in a pot and give them to a friend. Everyone loves it! I have now (June 17th) 55 perfectly round beautiful flowers showing off in a cluster X 3. I place mine in between hostas. Anyway, thanks for letting me share this information. More people should know that this is a perfect specimen for the shade as well as the sun. |
| Patti | Jun 26, 2012 | They are beautiful flowers however in my garden they are extremely invasive. I can't count the number I pulled up last year, only to find them spread out even more this year. I received these many years ago as a neighbor shared and she called them potato flowers? I searched the internet last year trying to figure out what they were and am glad to finally know the name. |
| John | May 19, 2014 | I'm with you Patti, I thought Rose of Sharon was invasive but these are worse. I had my yard dug up last summer just to get rid of these. I notice I have about 100 plus plants coming back up again this year. But, they are showy.
Are you sure yours are C. glomerata? Do your nuisance plants spread by seeds or by roots? Me, I lose C. glomerata after a year or two – I wish they were more vigorous in my garden. |
| Carl | Jun 09, 2014 | I'm "new" to C. glomerata, so I want to make sure "my" location will work for them.
I know they're OK for Zone 6 - but will they handle being "open" to the West, with 4-6 hours of NJ sun each day (I'm OCD about soil conditions and moisture) ?
Many thanks.
Yeah, I think that should work. |
| Corey | Jun 20, 2014 | I have been searching for the past couple of hours and found these to be the most similar to the wildly spreading flowers/plants/invasive weed in my front yard. Mine spread by root and have spread for up to 15 feet from where I think the last owner originally planted them. They are showy, but more annoying now that they moved on to the lawn. I'd like to have small patches without them spreading everywhere. Can I replant them in partially buried buckets if they do in fact spread by roots? |
| Lynn | Jun 08, 2016 | They are invasive, but I cut them back after they die off. Then in the fall, I thin them out. The root system spreads, so you have to dig them up with roots, to get rid of them. Sometime I have to the same in the spring, if I find them growing where I don't want them. If you keep after them a couple times a year, they are no problem. They are so pretty, they are worth the work, I don't know of any perennial that you don't have to control by thinning them out.
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| Carla Berland | May 18, 2018 | I love the look of these flowers. I live in Kansas, where can I buy these? Is there another recommendation for a 2-3ft deep purple flower? Thanks. |
| Thomas Carr | Jul 21, 2019 | I have been tending to a grave for about 17 years now and one of these plants (bellflower) suddenly appeared. I know I did not plant it. Could it be that it has been sitting dormant and just suddenly decided to pop up. I really like it and am pleased to see it thriving. The bees are having a ball with it. I'm thinking that the mother of the son who died there back in 1946 had planted it. He was just 3 years old. 1943-1946. I call him my little angel.
I don't think it was hiding out as a dormant plant. More likely, it was a seed; either one that had been hiding all along, or one that arrived from a nearby plant more recently. In any case, it's a nice surprise! |
| Julie | Sep 06, 2019 | I had these in south facing garden in cool Catskill Mountain valley. May have some in soil we ordered to make the bed. They were spectacular. So glad to have the name. We sort of let that garden go. Became very weed choked and they disappeared. I went on a tear and pulled out all those weeds just this week and there were the single leaves on 6" stems I associate with them were, under all that. I'm so excited and hope we'll get them back next spring. Also uncovered several perennial asters still living. |
| Teresa | Jun 25, 2021 | They are much more easily controlled when they don’t have full sun. I weed out any I don’t want twice a year. Spring and fall. On my north side they are beautiful, well behaved and have never needed thinning. |
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