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Clustered Bellflower

Campanula glomerata, Campanulaceae

Zones
3–8
Lifespan
Perennial
Growth
Moderate

Growing Conditions

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Bigroot GeraniumGeranium macrorrhizum
Pest DeterrentWind Protection

Antagonistic Plants

Gas PlantDictamnus albus

Gas plant produces volatile oils and root exudates that can suppress growth of campanulas and other herbaceous perennials

Fingerleaf RodgersiaRodgersia aesculifolia

Large-leaved rodgersia creates dense shade and has extensive roots that suppress campanulas

Common Questions

What zones does Clustered Bellflower grow in?

Clustered Bellflower grows in USDA hardiness zones 3 through 8.

What are good companion plants for Clustered Bellflower?

Good companions for Clustered Bellflower include Bigroot Geranium.

Design guilds with Clustered Bellflower and see companion relationships visually.

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