Black Cohosh Plant
Thrives in Zones 4 - 9
Adds unique beauty to gardens
Low maintenance perennial plant
Attracts beneficial pollinators
Ships in
7-10 DaysBlack Cohosh Plant - Actaea racemosa
The Black Cohosh Plant is a beautiful perennial that will add an elegant touch of white to your garden. Bring structural interest and high drama to your garden with its delightful vertical flowers.
Plant Details - Black Cohosh Plant
Family: Ranunculaceae
Light Requirement: Shade
Water Needs: Moderate
Height: 4 – 6 ft.
Spread: 2 – 4 ft.
Growth Rate: Slow
Bloom Time: Summer
Flower Color: White
Wildlife Value: Attracts bees
Landscape Uses and Maintenance – Black Cohosh Plant
The Black Cohosh Plant (Actaea racemosa) is a native plant you will not regret planting in your garden. Related to buttercups, it is a native plant that fits into any woodland or pond inspired garden. Great as an addition to the border or formal garden.
Their white flowers on tall spikes are delicate and add a touch of whimsy to your garden, appearing to tower over the dark green leaves below.
The flowers are sweetly fragrant and pleasant to the nose; making them an interesting choice for a moon garden, and a delight to walk by for both daytime and evening strolls.
This plant will add much needed height to your borders and can peek through other plants in your garden, creating layers.
Pollinator magnet! This plant blooms in the summertime and will attract butterflies and other pollinators, including hummingbirds, to your garden daily. Bees love the flowers. Birds will be attracted to the seeds later in the season.
Summer surprises abound! While most summer blooming plants want full sun, plant in the shade for the best success with this plant. It prefers the shade over full sun.
You can pair this plant with ferns, European ginger, and Asters for an intriguing and visually contrasting display.
This is a low maintenance plant that doesn’t need regular watering. However, make sure to water if you notice the leaves beginning to yellow or get brown around the edges.
This plant is happy to grow in both clay and loam soils.
Noteworthy Characteristics
The Black Cohosh Plant is the only host plant for the Appalachian Azure butterfly. It is also a host plant for other butterflies including the Spring Azure and Holly Blue.
This Is How Your Plants Will Look upon Delivery
Bloom Season
Spring
Bloom/Foliage Color
White
Height at Maturity
Over 12"
Care
Black Cohosh prefers well-drained, rich soil. Keep the ground consistently damp but not saturated. It benefits from occasional feeding with a balanced fertilizer. Remove dead foliage to encourage new growth and protect it from harsh winter conditions.
Plant Reproduction
Black Cohosh spreads by dividing its rhizomes in the spring or fall.
How to Grow and Care for Bare Root Perennials, Tubers, and Bulbs
Bare root perennials, tubers, and bulbs are an easy and economical way to jumpstart your garden with lasting beauty. These dormant plants should be planted in early spring or fall while the soil is cool and workable. Before planting, soak bare roots in water for 1–2 hours to rehydrate them. Choose a location based on the plant’s light needs—most flowering types prefer full sun, while others thrive in partial shade.
For bare root perennials, dig a shallow hole and spread the roots out naturally, ensuring the crown is level with the soil surface. For tubers and bulbs, plant with the pointed side facing up at a depth about two to three times their height. Cover with soil, gently press down, and water thoroughly.
Keep soil consistently moist (not soggy) until new growth appears. Add mulch to retain moisture and suppress weeds, but avoid covering the crown or bulb tops. Once established, these plants require little maintenance—just seasonal watering, occasional dividing, and deadheading or pruning as needed. With proper care, they’ll return and thrive year after year.
Shipping date depends on the date displayed and chosen when you order from the product's page.
We do not accept returned plants. If you purchased an extended warranty we do accept claims, please navigate to the warranty page for instructions HERE
Proper Sunlight Happy Plants
Black Cohosh flourishes in part to full shade. It prefers dappled light or light filtered through taller plants or trees. This environment helps it achieve its best growth and flowering, protecting it from harsh direct sunlight.
Attractive Blooms:
Black Cohosh features tight clusters of white flowers that bloom from late spring to early summer. The blossoms emit a sweet fragrance, adding charm to your garden.
Bush-Like Structure:
The plant grows in a bushy, hedge-like form, making it a substantial presence in the garden. Once established, it becomes a standout feature in shade or woodland areas.
Long-Lasting Flowers:
The blossoms can last for up to three weeks, with blooming times varying from June to September based on geographic location. This extended bloom period enhances garden interest.
Medicinal Value:
Black Cohosh has been used in traditional medicine for its potential therapeutic properties. While not a replacement for professional medical advice, its historical use adds a layer of historical and cultural significance to this plant.
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