When to plant coneflowers?
- Botanical name
- Echinacea purpurea
- Family
- Asteraceae
Coneflowers are planted from September to October. They flower from June to September.
Coneflowers are perennial plants.
Coneflowers through the year
- planting
- flowering
In short
Growing conditions
Pests and diseases
Listed here is every problem for which the sources name this plant as a host. The problems are not listed in order of how common they are.
Aphids
pest- Signs
- Colonies of small aphids sit on the shoot tips and the underside of the leaves. The leaf curls and puckers, and sticky honeydew is left on everything below. The viruses they carry are more dangerous than the feeding itself.
- Prevention
- Go easy on nitrogen, because soft sappy growth is what aphids are looking for. Encourage the predators (ladybirds, lacewings, parasitic wasps). Use a reflective mulch, which puts them off settling, and a strong jet of water to knock the colony off the tips.
Powdery mildew
disease- Signs
- A white, floury coating spreads over the leaves, first on the lower and older ones. The leaf under it yellows and dries up. The fruit stays small, because the plant loses leaf surface.
- Prevention
- Plant resistant varieties, leave an airy spacing and sun, and clear the debris at the end of the season. Unlike most fungi it is not helped by wet foliage, since it spreads in heat and high air humidity, in a dry summer too.
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Related plants
The plants below are in the same botanical family (Asteraceae).
Sources about the plant: Clemson Cooperative Extension, GBIF Backbone Taxonomy, NC State Extension Plant Toolbox, University of Illinois Extension, Wikidata. Checked between 14 and 28 August 2026. The problem descriptions also draw on: KGZS, Royal Horticultural Society, UF/IFAS Extension, University of Maryland Extension, University of Wisconsin-Madison Division of Extension, Utah State University Extension.