Actaea racemosa - Black Cohosh
A great plant for the back of your shade garden. Has a tall white, slightly fragrant, spike flower in the late summer and when mature will reach about 4-6 feet tall with the foliage about 3-4 feet tall. Give it plenty of room when planting they will have about 3-4 foot spread when mature. These will tolerate some sun in cooler climates, morning sun is best. Needs to be in rich soil, moist but well drained. It is much sought after in the medicinal field for its medicinal properties.
Shade to Semi Shade, Rich Soil, Summer, 3-5 ft Tall, Zones 3-9.