perennial · design plant record
Echinacea purpurea
Purple coneflower
A taller summer-flowering layer with seed heads that can remain after bloom. Use species or cultivar dimensions, not flower colour alone, to place it.
- Height at maturity
- 0.91–1.22 m (3–4 ft)
- Spread at maturity
- 0.3–0.61 m (1–2 ft)
- Light
- Sun / Part shade
- Moisture
- Drier soil after establishment / Moist, draining soil
- Source-reported USDA zones
- 3–8 · verify subzone and cultivar
- Principal seasonal role
- Summer, Autumn
Fit it to the site
Draining soil, preferably moist loam; tolerates occasional dryness after establishment.
Do not place the taller species where it blocks a low view. Cultivars vary; a dwarf selection is a different spacing decision.
Keep the care in the decision
Retain some heads for seed interest if appropriate. Check distorted growth or decline rather than assuming every symptom is drought; the source identifies aster yellows among possible problems.
Origin & safety checks
Central and eastern United States; verify native range locally.
This is ornamental design guidance, not medicinal or edible-use advice. Toxicity not assessed here.
Check current invasive restrictions with your local plant-health or extension authority. For pets, use the exact botanical name in a veterinary toxicity reference; for potential ingestion or exposure, get appropriate professional advice rather than relying on a design guide.
Factual source · checked 3 October 2026
NC State Extension Gardener Plant Toolbox: Echinacea purpurea
Ranges are rounded metric conversions of the source's dimensions. Growth varies with cultivar and conditions. Linked source photographs can help verify identity; our concept garden images cannot.