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Aster

Genus

Also called Frost flowers, asters

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Aster
Photo: Hectonichus · CC BY-SA 3.0 · Wikimedia Commons

Fact sheet

every fact quoted from its source
TypeAnnual

“Plants can be Annuals (single growing season)” — King Size Apricot - China Aster Seed | Johnny's Selected Seeds

Lightfull sun

“full sun for the majority of the day” — How to Grow and Care for Asters

WaterFrequent irrigations, particularly when they reach finished size. Watering thoroughly when irrigation is necessary, allowing the soil to dry slightly between waterings.

“Frequent irrigations, particularly when they reach finished size. Watering thoroughly when irrigation is necessary, allowing the soil to dry slightly between waterings.” — Culture Sheet | Walters Gardens, Inc.

Hardiness zones3 through 8

“They can be grown in zones 3 through 8” — Growing Guide: How to Grow and Care for Asters - Garden Lovers Club

Height12–72 in

“1–6 ft. tall, 1–4 ft. wide” — How to Grow and Care for Asters

Propagationseeds, potted nursery specimens

“planted in the springtime, it may take several years for them to mature into full-sized plants. More often, asters are planted from potted nursery specimens.” — How to Grow and Care for Asters

Ready whenpinch off the dying flowers to make room for new growth. Remove dead or wilting stems promptly.

“pinch off the dying flowers to make room for new growth” — How to Grow and Care for Asters

Pestsaphids, japanese beetle, chrysanthemum lace bug (corythucha), green patch aphid (in greenhouse), western flower thrips, rosy blister gall (asteromyzia), aster leafhopper, leaf, root-knot nematodes

“Aphids, Japanese beetle, chrysanthemum lace bug (Corythucha), green patch aphid (in greenhouse), western flower thrips, rosy blister gall (Asteromyzia), aster leafhopper, leaf and root-knot nematodes.” — Culture Sheet | Walters Gardens, Inc.

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10 cultivars

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