Aconitum napellus

Garden Monkshood, Helmet Flower, Turk's Cap

Tall, showy stalks of helmet-shaped flowers rise above the palm-like foliage. Flowers come in blue, purple, white or yellow. These poisonous plants grow best in rich, moist, cool soils with some shade during the warmest time of day. Japanese Anemone, Astilbe, Campanula and ferns make excellent companion plants. Cut back stalks after first blooms for another flowering. Stake tall plants. Start by seed for second- or third-year bloom. They do not like being moved and are difficult to start by division.
Aconitum napellus, Garden Monkshood, Helmet Flower, Turk's Cap
These poisonous perennials of the buttercup family are good in naturalized areas. Best in partial shade. Keep moist in full sun.

Attributes - Aconitum napellus

Plant Type: Perennial

Bloom Season: Early Summer through Late Summer

Flower Color: Blue, Purple

Foliage: Deciduous

Height: 3 ft. to 4 ft.

Width: 1 ft. 6 in.

Sunlight: Full Sun, Partial Sun

Climate: Zones 4, 5, 6, 7, 8

Notes: Container Plants, Cut Flowers, Poisonous, Showy Flowers. Susceptible to Powdery Mildew, Spider Mites, Verticillium Wilt.

Related Plants

Aconitum x 'Bicolor'
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