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Sign up freePotentially invasive
This species can spread aggressively. Check local guidance before planting, and avoid letting it escape into the wild.
Campanula glomerata
Campanula glomerata is a perennial herbaceous flowering plant in the bellflower family (Campanulaceae). It grows 20–60 cm tall with a maximum height of 90 cm, featuring simple, erect stems and basal oval-lanceolate leaves. The distinctive inflorescence consists of 15–20 tightly clustered, sessile flowers with campanulate corollas in dark violet-blue or purplish-blue, blooming from June to September.
Knautia arvensis
flower
Thrives in the same full sun conditions as Clustered bellflower
Water: Medium · Height: 60 cm · Soil: Prefers calcareous soils; tolerates well-drained, fertile soils in grasslands and woodland edges.
