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Growing Asters

Growing Asters

Rose Serenade Aster

Rose Serenade Aster item #10542


Hardy late-blooming perennials available in a range of colors. Aster flowers are strongly attractive to butterflies and pollinators, and the upright, clumping plants flower in late summer and fall. Plants are hardy in zones 4 to 9.

How to Plant

Plant by loosening soil 6 to 12 inches deep and incorporating compost or other organic matter. Set plants slightly deeper than when growing in pots.


For full sun to part shade in fertile, moist, well-drained soil. Can cut back plants by a third in summer to delay flowering and reduce height if desired.

Fertilizer Recommendations

Asters are moderate feeders that benefit from regular fertilization. Use full rates of ALGOplus Flowering Plant 4-6-7 or Neptune Fish & Seaweed Fertilizer 2-3-1

Common Problems

Usually not significantly damaged by pests or disease problems. Aphids, leafhoppers, mites, whitefly, and thrips sometimes attack plants. Powdery mildew and stem rot diseases sometimes affect plants.

Alternative Products

Other late summer and fall-blooming perennials include Garden Phlox, Thunderhead Sedum, and Denim 'n Lace Russian Sage.

Complimentary Products

Often combined with hardy Chrysanthemum and Flowering Cabbage or Kale for fall garden displays.

Aster Facts

Fall-blooming Aster varieties were developed as hybrids of North American native species. Taxonomists have reclassified many species formerly included in the genus Aster to the genus Symphyotrichum, based on genetic analysis. 

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