Symphyotrichum cordifolium
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Hardiness Zone: 3-8 Height: 2-5 feet; 0.6-1.5 metres Spread: 1.5-2 feet; 0.45-0.6 metres Sun: Light shade to part sun Water: Medium Wildlife: The flowers attract and are pollinated by bees, wasps, butterflies, skippers, flies, and beetles. Insects such as moth caterpillars, aphids, and leafhoppers feed on the foliage. Rabbits, turkey, and deer will also feed on the foliage. Bloom Colour: Blue and yellow Culture: Prefers moist to slightly dry soil containing loam or rocky matter. Noteworthy Characteristics: Heart-leaved Aster has smooth, reddish stems with alternate leaves that get smaller going up the stem. The leaf blades range from cordate to ovate and have serrated edges. The central stem ends in a panicle of flowerheads consisting of light blue rays and pale yellow disk florets. The narrow, floral bracts at the base of the flowerheads are scale-like and have darker green tips. Later, the florets give way to hairy achenes. Garden Uses: Butterfly garden