Heath aster is a perennial herbaceous plant with stems from 1 to 3 ft (0.3 to 0.9 m) tall. Its leaves are sessile (stalkless) and narrow, becoming smaller towards the top of the plant and tips of the branching stem. It has white (rarely pinkish), composite flowerheads with yellow centers that begin flowering in late summer through fall. They are rather small, 1⁄3 to 1⁄2 inch (8 to 10 mm) across. It is commonly confused with Symphyotrichum pilosum, which co-occurs throughout most of its range. S. pilosum has larger flowerheads with longer ray petals. The phyllaries on S. pilosum are spine-tipped, while those of S. ericoides are not (although the curled edges may make them appear to be).
Symphyotrichum Ericoides Care
Symphyotrichum Ericoides
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How to Care for the Plant
Water
Your watering regime will depend on the amount of rainfall and you should only really need to water your Aster ericoides during dry spells.
Pruning
Cut back in late autumn.
Fertilizer
Aster ericoides grow best in rich soil, well-drained soil. Applying mulch over winter can help protect the plants from frost and also fertilize the soil.
Sunlight
Sun Soil Moisture
Soil
Easily grown in average, dry to medium, well-drained soil in full sun. Does well in sandy or clay soils. Generally tolerates poor soils and drought.
Temperature
Temperature. Aster ericoides is a sun-loving plant that enjoys temperatures of 80-90 °F (27-32°C).
Container
Snow Flurry' makes a superb ground cover or edging plant, but it is utter perfection cascading over the edge of a wall or a container.
Additional
Symphyotrichum ericoides, commonly called heath aster, is a Missouri native plant that typically occurs in open rocky woods, prairies and along roads and railroads. A bushy, somewhat compact plant with many-branched stems which typically grows 1' to 3' tall.
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