Campanula

How to grow Campanula – growing conditions and care:

Cool weather, moist soil, well-drained soil

How to care

What is the best way to start growing?
Plant – better young plant before bloom (establish better and easier to care) / Seedling – sensitive to transplant check that the root system well developed / Seeds (explanation bellow)

Is it necessary to graft or use vegetative reproduction?
No

Difficulties or problems when growing:
Invasive (some species can be invasive)

Recommended planting season?
Possible from spring to summer and rarely in autumn, optimal planting season for annual plant hardiness zone 3-10a in spring, hardiness zone 10b-11 in the end of the winter to early spring, optimal for perennial – hardiness zone 3-8 in spring, hardiness zone 6-10 summer, hardiness zone 10-11 autumn.

How to plant campanula:
Planting in well-drained soil, dig an hole bigger than the root ball through dead leaves and organic matter mix it with the soil, plant and cover lightly don’t over push, also water twice a day in the first days and after this until the plant establish water regularly.

Pests and diseases:
Spider mites, aphids, slugs

Pruning season:
All the season

How to prune:
Dead leaves and flower stem, usually the plants don’t require a lot of pruning, moistly for design in perennial species

Size of the plant:
0.1-2m, 4 inches to 6 feet, mostly the plant grow lower and bloom stem grow as spikes higher to the plant.

Growth speed in optimal condition:
Fast growing / Medium growing, for perennial takes more time to establish after establish grow faster.

Water requirement:
Average amount of water / Big amount of water, depend on the species, winds and drainage of the soil

Light conditions in optimal condition for growing:
Full sun to half shade, in location with hot summer better to plant in half shade, and colder area full sun, consider also that each species require different sun exposure.

Is it possible to grow indoor as houseplant?
No, possible to grow it indoor on the window

Growing is also possible in a planter /flowerpot / containers:
Yes, mostly it’s small plants that can grow in small pot, need rich soil with organic matter and care for good drainage, better you 50%-60%, potting mix or peat soil with perlite or vermiculite 50%-40%, if it’s perennial better to switch soil after few years, usually the soil use viability and it can cause to the plant rotten roots

Blooming information

Bloom season:
Spring / Summer, usually annuals bloom later than perennial (in hot climate and annual can be until the later autumn)

General information about the flower
Bell shape flowers also be star shape flowers, color can be: purple, blue, pink, white or more than one color, the flower grow in the end of the stems

How to grow campanula from seed

Sowing requirement:
keep the seeds in cool place, chilling hours is important but each species sowing season in hardiness zone 3-10 in spring, and in hardiness zone 10b-11 need to sow in the mid-winter, seeds to germinate better in full sun, soil need to be moist and don’t let it dry, consider also that each species require different condition, better to sow in potting mix or other kind of mix soil

Saving seeds and care until sowing:
Cool and dry location, better in refrigerator

Sowing season:
Spring to summer and rarely in autumn, optimal planting season for annual plant hardiness zone 3-10a in spring, hardiness zone 10b-11 in the end of the winter to early spring, optimal for perennial – hardiness zone 3-8 in spring, hardiness zone 6-10 summer, hardiness zone 10-11 autumn.

Planting spacing:
20*30cm, (8*12inches)

Depth of Sowing:
0.5cm (0.25inches)

Conditions for seeds germinate:
Sunny location and moist soil

Watering requires for Seeds:
Average amount of water / Big amount of water

Germination time:
1-4 weeks

Condition of seedling:
Water regularly, better sunny location and keep soil moist

Do the seeds require burying?
Yes, the seeds need cold stratification

Campanula abietina (Patula abietina) hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula aizoon (Greek campanula) hardiness zone 3-9, Flower color can be: purple, blue or white, 10-30cm (4-12 inches)

Campanula alata (Alata campanula) hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula alba (Campanula latifolia alba) hardiness zone 3-9, flower color white, 10-30cm (4-12 inches)

Campanula alliariifolia (Cornish bellflower) hardiness zone 3-9, flower color white, 10-30cm (4-12 inches)

Campanula alpestris (Alpine bellflower) hardiness zone 3-8, flower color purple, 10-30cm (4-12 inches)

Campanula alpina (Alpine bellflower) hardiness zone 3-7, flower color purple, 10-30cm (4-12 inches)

Campanula alsinoides (Pakistanian bellflower) hardiness zone 3-9, flower color white, 10-30cm (4-12 inches)

Campanula ambella (Campanula portenschlagiana ambella or Dalmatian bellflower) hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula americana (American bellflower) hardiness zone 3-9, flower color purple or blue, 10-30cm (4-12 inches)

Campanula andrewsii hardiness zone 3-9, Flower color can be: purple, blue, pink or white, 10-30cm (4-12 inches)

Campanula angustiflora (Eastwood’s bellflower) hardiness zone 3-8, flower color purple, 10-30cm (4-12 inches)

Campanula anomala hardiness zone 3-9, flower color purple or blue, 10-30cm (4-12 inches)

Campanula aparinoides (Marsh bellflower) hardiness zone 3-9, flower color white, 10-30cm (4-12 inches)

Campanula ardonensis hardiness zone 3-9, flower color blue, 10-30cm (4-12 inches)

Campanula argaea hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula argyrotricha hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula arvatica (Tussock bellflower) hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula aucheri hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula autraniana hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula balfourii (Tussock bellflower) hardiness hardiness zone 3-9, flower color blue, 10-15cm (4-6 inches)

Campanula barbata (Bearbed bellflower) hardiness zone 3-9, flower color blue, 10-30cm (4-12 inches)

Campanula baumgartenii hardiness zone 3-9, flower color purple, 40-70cm (1.2-2.3 feet)

Campanula bellidifolia hardiness zone 3-9, flower color can be: purple, blue or pink, 10-30cm (4-12 inches)

Campanula besenginica hardiness zone 3-9, flower color can be: purple, blue or pink, 10-30cm (4-12 inches)

Campanula betulifolia (Birch leaved bellflower) hardiness zone 3-9, flower color white, 10-30cm (4-12 inches)

Campanula biebersteiniana hardiness zone 3-9, flower color can be: purple, blue can be also with white in the middle, 10-30cm (4-12 inches)

Campanula bononiensis hardiness zone 3-9, flower color can be: purple, white or pink, 10-30cm (4-12 inches)

Campanula caespitosa hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula calaminthifolia hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula californica (Swamp bellflower) hardiness zone 3-9, flower color purple or white, 10-30cm (4-12 inches)

Campanula carpatha hardiness zone 3-9, flower color purple or white, 10-30cm (4-12 inches)

Campanula carpatica (Tussock bellflower) hardiness zone 3-9, Flower color can be: purple, blue, pink or white, 10-30cm (4-12 inches)

Campanula cashmeriana hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula celsii hardiness zone 3-9, flower color purple or blue, 10-30cm (4-12 inches)

Campanula cenisia hardiness zone 3-9, flower color blue, 10-20cm (4-8 inches)

Campanula cervicaria (Bristly bellflower) hardiness zone 3-9, flower color purple, 30-70cm (12-28 inches)

Campanula cespitosa hardiness zone 3-9, flower color purple, 5-15cm (2-6 inches)

Campanula chamissonis hardiness zone 3-9, flower color purple, 10-15cm (4-6 inches)

Campanula choruhensis hardiness zone 3-9, flower color white, 10-15cm (4-6 inches)

Campanula ciliata hardiness zone 3-9, flower color purple or blue, 5-10cm (2-4 inches)

Campanula cochleariifolia (Earleaf bellflower) hardiness zone 3-9, flower color blue, 5-15cm (2-6 inches)

Campanula collina (Blue dwarf bellflower) hardiness zone 3-9, flower color blue, 5-10cm (2-4 inches)

Campanula crispa hardiness zone 3-7, flower color white, 10-30cm (4-12 inches)

Campanula dichotoma hardiness zone 3-9, flower color purple, 5-10cm (2-4 inches)

Campanula divaricata (Appalachian bellflower) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula dolomitica hardiness zone 3-9, flower color white, 10-30cm (4-12 inches)

Campanula drabifolia hardiness zone 3-9, flower color purple, 10-15cm (4-6 inches)

Campanula elatines hardiness zone 3-9, flower color blue or purple, 5-15cm (2-6 inches)

Campanula elatinoides (Waterwort like bellflower) hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula ephesia hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula erinus hardiness zone 3-9, flower color purple or white, 10-20cm (4-8 inches)

Campanula excisa (Cut bellflower) hardiness zone 3-9, flower color purple, 5-15cm (2-6 inches)

Campanula fenestrellata (Adriatic bellflower) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula formanekiana hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula fragilis hardiness zone 3-9, flower color purple or white, 5-13cm (2-5 inches)

Campanula garganica (Adriatic bellflower) hardiness zone 3-9, Flower color can be: purple, blue or white, 10-30cm (4-12 inches)

Campanula glomerata (Clustered bellflower) hardiness zone 3-9, flower color purple, blue or white, 20-50cm (8-20 inches)

Campanula glomerata superba (Clustered bellflower superba) hardiness zone 3-9, flower color purple, 20-50cm (8-20 inches)

Campanula hagielia hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula hercegovina (Herzegovinian bellflower) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula incurva hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula isophylla (Italian bellflower) hardiness zone 3-9, flower color white, blue or purple, 10-20cm (4-8 inches)

Campanula jaubertiana hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula kemulariae hardiness zone 3-9, flower color purple or white, 10-20cm (4-8 inches)

Campanula kirpicznikovii hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula kolenatiana hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula komarovii hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula laciniata hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula lactiflora hardiness zone 3-9, flower color purple, blue , pink or white, 30-50cm (12-20 inches)

Campanula lanata hardiness zone 3-9, flower color white, 10-15cm (4-6 inches)

Campanula lasiocarpa (Alaska harebell) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula latifolia hardiness zone 3-9, flower color purple or white, 10-20cm (4-8 inches)

Campanula latiloba (Great bellflower) hardiness zone 3-9, flower color purple or white, 10-30cm (4-12 inches)

Campanula ledebouriana hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula lingulata hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula linifolia hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula longistyla hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula lourica hardiness zone 3-9, flower color purple or white or purple with white, 10-20cm (4-8 inches)

Campanula lusitanica hardiness zone 3-9, flower color purple, white, pink or blue, 10-20cm (4-8 inches)

Campanula lyrata hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula macrostyla hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula makaschvilii hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula meteora (Campanula ramosissima meteora) hardiness zone 3-9, flower color can be: purple or blue with darker stripes, 10-20cm (4-8 inches)

Campanula mirabilis hardiness zone 3-9, flower color purple or white, 10-20cm (4-8 inches)

Campanula moesiaca hardiness zone 3-9, flower color purple, blue or white, 10-20cm (4-8 inches)

Campanula mollis (Rock bellflower) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula morettiana hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula myrtifolia hardiness zone 3-9, flower color white to light blue, 10-20cm (4-8 inches)

Campanula nitida hardiness zone 3-9, flower color purple, white or blue, 10-20cm (4-8 inches)

Campanula ochroleuca hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula olympica (Campanula olympica rotundifolia) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula oreadum hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula orphanidea hardiness zone 3-9, flower color purple light to dark, 10-20cm (4-8 inches)

Campanula parryi hardiness zone 3-9, flower color purple or pink, 10-20cm (4-8 inches)

Campanula patula (Tussock bellflower) hardiness zone 3-9, flower color purple or white, 10-30cm (4-12 inches)

Campanula pendula hardiness zone 3-9, flower color white, 20-70cm (8-28 inches)

Campanula peregrina hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula persicifolia (Peach leaved bellflower) hardiness zone 3-9, flower color purple, blue or white, 30-60cm (12-24 inches)

Campanula persicifolia alba (White peach leaved bellflower) hardiness zone 3-9, flower color white, 30-60cm (12-24 inches)

Campanula petraea hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula petrophila hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula pilosa hardiness zone 3-9, flower color purple or blue, 10-30cm (4-12 inches)

Campanula piperi (Olympic bellflower) hardiness zone 3-9, flower color purple, blue or white, 10-20cm (4-8 inches)

Campanula portenschlagiana (Campanula muralis, Dalmatian bellflower) hardiness zone 3-9, flower color purple, pink, white or blue, 10-30cm (4-12 inches)

Campanula poscharskyana (Trailing bellflower) hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula prenanthoides hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula primulifolia hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula pulla hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula punctata (Spotted bellflower) hardiness zone 3-9, flower color purple, blue, pink or white, 30-90cm (12-35 inches)

Campanula pyramidalis (Chimney bellflower) hardiness zone 3-9, flower color purple, blue or white, 0.7-1.5m (28-59 inches)

Campanula raddeana hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula raineri (Rainer’s bellflower) hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula ramosissima hardiness zone 3-9, flower color purple or blue with darker stripes, 10-30cm (4-12 inches)

Campanula rapunculoides (Creeping bellflower) hardiness zone 3-9, flower color purple or blue, 30-70cm (12-28 inches)

Campanula rapunculus (Rampion bellflower) hardiness zone 3-9, flower color purple with white, purple or white, 70-90cm (28-35 inches)

Campanula rhomboidalis hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula rigidipila hardiness zone 3-9, flower color purple, blue or white, 10-20cm (4-8 inches)

Campanula robinsiae (Brooksville bellflower) hardiness zone 3-9, flower color purple, 10-30cm (4-12 inches)

Campanula rotundifolia (Harebell) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula rupestris hardiness zone 3-9, flower color purple, blue, pink or white, 10-20cm (4-8 inches)

Campanula rupicola hardiness zone 3-9, flower color purple light to dark with white tongue, 10-20cm (4-8 inches)

Campanula sarastro hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula sarmatica (Georgian bellflower) hardiness zone 3-9, flower color purple, white or blue, 10-20cm (4-8 inches)

Campanula sartorii hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula saxatilis hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula saxifraga hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula scabrella hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula scheuchzeri hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula scouleri hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula seraglio hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula serrata hardiness zone 3-9, flower color purple, 20-30cm (12-16 inches)

Campanula shetleri (Castle crags bellflower) hardiness zone 3-9, flower color purple, blue or white, 5-15cm (2-6 inches)

Campanula sibirica hardiness zone 3-9, flower color purple, 70-120cm (28-47 inches)

Campanula spatulata hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula speciosa hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula spicata hardiness zone 3-9, flower color purple or blue, 20-60cm (8-24 inches)

Campanula stricta hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula takesimana hardiness zone 3-9, flower color purple, pink or white with dark dots, 10-20cm (4-8 inches)

Campanula tomentosa hardiness zone 3-9, flower color purple or blue, 10-20cm (4-8 inches)

Campanula tommasiniana hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula trachelium hardiness zone 3-9, flower color purple or white, 10-20cm (4-8 inches)

Campanula tridentata hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula troegerae hardiness zone 3-9, flower color white, 10-20cm (4-8 inches)

Campanula turczaninovii hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Campanula twisterbell (Clustered bellflower) hardiness zone 3-9, flower color purple, white or white with purple, 20-50cm (8-20 inches)

Campanula uniflora (Arctic bellflower) hardiness zone 3-9, flower color purple-blue, 10-20cm (4-8 inches)

Campanula versicolorhardiness zone 3-9, flower color purple or white, 10-20cm (4-8 inches)

Campanula zoysii(Zois bellflower) hardiness zone 3-9, flower color purple, 10-20cm (4-8 inches)

Canterbury bells (Campanula medium) hardiness zone 3-10, flower color purple, blue, pink or white, 50-80cm (20-31 inches)

Scientific name:

Campanula

Alternative names: Bellflower plant, Campulana