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trefle.io · Taken Jul 11, 2019 by Fela Laya Mandel (cc-by-sa)
Asteraceae
Black-sampson echinacea
Echinacea angustifolia
Also known as Brauneria angustifolia, Kansas snakeroot, Echinacea pallida var. angustifolia, Black Sampson
Zones 4–9Sun Full SunWater ModerateCare Low
Flowering Plants · Edibles & Herbs · Native Plants · Echinacea · Coneflower · Medicinal Herb · Native Wildflower · Prairie Plant · Pollinator Garden · Drought Tolerant · Purple Flowers · Great Plains · Herbal Remedy
Pet-safeBeginner-friendlyMedicinalAttracts pollinators
In stock at 1 nurseryStock updated 9/6/2026
Black-sampson echinacea is a drought-tolerant prairie native celebrated for its medicinal properties and striking daisy-like pink-purple flowers that bloom mid to late summer. Plant it in full sun to light shade in well-drained soil; it handles dry spells well once established and rarely needs supplemental fertilizer. Leave the seed heads standing in autumn to provide food for finches and other seed-eating birds.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply but infrequently; allow soil to dry out between waterings once established · Every 7-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–7.2
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
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Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Colorado, Iowa, Kansas, Louisiana, Manitoba, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Saskatchewan, South Dakota, Texas, Wyoming
- Attracts
- Bees, Butterflies, Birds
Sources: trefle
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