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Clustered Bellflower

Clustered Bellflower

Campanula glomerata

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How common: Very common

Alien species

Clustered Bellflower is a medium-tall perennial with tight heads of purple‑blue bells. It is most often seen on meadows, grassy slopes and roadsides, and also escapes from gardens. The stiff, usually unbranched stem can be dark reddish-brown.

Did you know?

  • The flowers sit in packed, head-like clusters that give the plant its name.
  • It can spread quite strongly by runners and is also grown in gardens with large-flowered forms.

About the species

Identification

Perennial herb (milky juice if broken), 20–80 cm tall. Stem upright, usually unbranched, often dark reddish-brown, nearly smooth or slightly hairy. Basal leaves usually withered by flowering. Stem leaves go up the stem one by one, narrow oval to long oval, finely toothed, hairy on both sides; lower ones with stalks, upper ones stalkless and often partly wrap around the stem. Flowers form a dense rounded cluster at the top, with smaller clusters in the upper leaf joints; bells 1.6–3 cm, deep blue to violet-blue (rarely white). Later, dry capsules release seeds through tiny holes. Can be confused with Bristly Bellflower, which is much rougher and bristly and usually lacks the extra side clusters. Flowers in Finland from June to August.

Plant group

Herbaceous plants

Habitat

meadow

Flowering

Jun–Aug

About the habitat

Sunny to half-shady places such as meadows, grassy slopes, field margins, and light, fresh woods. Widespread in southern Finland as an ancient introduction; introduced more recently in Ostrobothnia, Kainuu and Kittilä.

Sources

Photo: Robert Flogaus-Faust, CC BY 4.0 https://commons.wikimedia.org/wiki/File:Campanula glomerata 2 RF.jpg

Text: Pinkka: BIO-503 Suomen kasvisto ja kasvillisuus - Kulttuuriympäristöt: hakamaat, CC BY 4.0 https://laji.fi/taxon/MX.39705

Text: Pinkka: IPS-177 Fennoscandian flora - Cakile-Carum, CC BY 4.0 https://laji.fi/taxon/MX.39705

Text: Wikipedia (Finnish), CC BY-SA 4.0 https://fi.wikipedia.org/wiki/Peurankello

See also