Narrowleaf purple coneflower Plant Care

Narrowleaf purple coneflower (Echinacea angustifolia) belongs to the Asteraceae family within the Echinacea genus. Narrowleaf purple coneflower is native to North America. Narrowleaf purple coneflower is also known as Black Sampson echinacea, Narrow-leaved coneflower, Brauneria angustifolia.

Narrowleaf purple coneflower displays an upright clump-forming perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Narrowleaf purple coneflower produces large daisy-like flowers in shades of purple, pink, and white.

Leaf size: approximately 6 inches.

Echinacea angustifolia requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Narrowleaf purple coneflower thrives in full sun to partial shade.

Echinacea angustifolia grows best at temperatures of 65–85°F. Narrowleaf purple coneflower prefers humidity levels of 40–60%.

Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Narrowleaf purple coneflower to prevent waterlogging, which leads to root rot and fungal issues.

Feed Narrowleaf purple coneflower every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Divide and replant every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

Narrowleaf purple coneflower can be propagated through seeds, division of mature plants. Similar propagation techniques also apply to purple coneflower plant care, which shares the same genus.

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Narrowleaf purple coneflower is susceptible to aphids, japanese beetles. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Narrowleaf purple coneflower grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Narrowleaf purple coneflower is native to North America. In cooler regions, grow Narrowleaf purple coneflower as a houseplant or bring it indoors before the first frost.