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An easy to grow perennial in average soil, plant Asters in full sun. Attractive and colorful garden plants, Aster species may be hardy from zone 3 to 9. Referring to the shape of the flower head, Ancient Greeks called them Asters, meaning "star". PLANTING: Set 18 to 24 inches apart in sun. Asters prefer fertile soil, but will tolerate poorer soils as well. Soil should also be well-drained, but take care to provide ample moisture, particularly in fall when plants are in bloom. MAINTENANCE: Pinch or even shear back several times during the early part of the growing season to promote vigorous, compact growth. Divide every 3 years or as necessary, replanting the younger, more vigorous pieces from the outside of the clump. To control mildew naturally, avoid overhead watering, and plant away from hedges or fences to assure satisfactory air flow.
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