Nettle-leaved bellflower is a European native perennial that brings an understated elegance to gardens across hardiness zones 5 through 8. Rising 24 to 36 inches tall, this bushy upright plant produces coarse, bristly, deeply-toothed leaves that genuinely resemble nettles, crowned with nodding blue-purple to lilac bell-shaped flowers that bloom generously from July through September. Its low maintenance nature and deer resistance make it a reliable choice for naturalized plantings, while its preference for cool summers and part shade means it actually performs better in many challenging climates than typical sun-loving perennials.
Partial Sun
Moderate
5-8
36in H x 18in W
—
High
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The coarse, setose foliage is as visually interesting as the flowers themselves, creating a distinctly textured plant even before blooms appear. Summer-blooming blue-purple tubular flowers reach 1.5 inches long and dangle in loose racemes, nodding gently above the nettle-like stems. This plant spreads contentedly by self-seeding and asks for virtually no fussy care once established, thriving on regular moisture and moderate sunlight.
Nettle-leaved bellflower excels when naturalized in woodland gardens, mixed borders, and semi-wild plantings where its tendency to self-seed becomes an asset rather than a liability. The showy summer flowers attract pollinators and provide color when many spring bloomers have faded.
No timeline data available yet for this variety.
Deadhead spent flowers throughout the blooming period from July through September to encourage additional flowers. If you want to limit self-seeding, remove flower heads before seeds mature; otherwise, allow some spent flowers to remain for natural seed production.
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“Campanula trachelium hails from Europe, where it has grown wild and in cultivation for centuries. Its common name directly references the distinctive nettle-like foliage that makes it instantly recognizable in the garden, a trait that early European gardeners clearly valued enough to cultivate deliberately rather than letting it remain a passing wildflower.”