Campanula americana
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Hardiness Zone: 4-7 Height: 3-6 feet; 1-1.8 metres Spread: 1-2 feet; 0.3-0.6 metres Sun: Full sun to shade Water: Medium to dry Wildlife: Attractive to hummingbirds; nectar source for bees Bloom Colour: Medium blue Culture: Best grown in rich, moist, well-drained soils in part shade. Plants prefer cool summer climates where they will tolerate full sun, but they prefer part shade in hot summer climates. Plants need regular and even moisture. Deadhead spent flowers to encourage additional bloom. Plants are annual or biennial, depending on the time of year the seed germinates, but will easily remain in a garden by self-seeding. Noteworthy Characteristics: Campanula americana, is an upright annual or biennial that features flat, star-shaped, five-lobed, medium blue flowers on a tall stem. It is a striking feature of some forest understories in summer. Garden Uses: Best naturalized in masses; back of mixed border