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Nettle-leaved Bellflower

Campanula trachelium

Also listed as Campanula urticifolia, Drymocodon trachelium

Also known as Throatwort, Bats in the Belfry

herbaceousβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 5a – Zone 8b

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A woodland perennial with coarse, nettle-like foliage and violet-purple tubular flowers arranged on tall spikes. It thrives in shaded garden spots and attracts pollinators.

Why grow it

Campanula trachelium offers shade tolerance that many ornamental bellflowers lack, making it useful for woodland edges and understory planting where lighter-flowering Campanula species struggle. The coarse foliage provides textural contrast in shaded perennial borders, and the tall flower spikes attract bees and other pollinators across mid to late summer. Compared to more refined bellflower cultivars, this species tolerates dappled shade and moister soils typical of partially wooded sites.

Watch out for

In rich, consistently moist soil, this perennial may self-seed readily, so deadheading spent flowers can help manage spread if desired. The plant prefers afternoon shade in warmer climates to prevent leaf scorch and wilting during peak summer heat. Establishment can be slow in the first season, so patience is warranted before judging vigor.

Overview

Form
Upright
Growth Rate
moderate
Size
1.5–3β€² tall Γ— 1–1.5β€² wide
Dormancy
deciduous
Family
Campanulaceae
Pollinators & beneficial insects

Native Range

Europe

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Summer

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Companion Planting

Plants well with