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Columbian Monkshood
Also known as: Columbia Monkshood, Monkshood
Named for its hooded flowers, the columbian Monkshood’s sepals resemble a monk’s cowl. This member of the buttercup family is considered poisonous. It grows in moist, wet areas such as meadows and forests.
Scientific classification
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Toxic to Humans
Toxicity
Weeds
Weed or not
Perennial
Lifespan
Herb
Plant Type
Summer
Bloom Time
91 cm to 2 m
Plant Height
30 cm
Spread
2.5 cm to 5 cm
Flower Size
Spring, Summer
Growth Season
Moderate
Growth Rate

Images of Columbian Monkshood

Attributes of Columbian Monkshood

Growth Rate
Exhibiting a moderate growth rate, columbian Monkshood showcases optimal progression in Spring and Summer. This fosters a visible height increase, with the accelerated production of lush bluish-purple flowers. Growth variations are expected but it primarily thrives during the highlighted seasons, enhancing horticultural admiration.

Culture

Symbolism
Beware, A Deadly Foe Is Near
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Toxicity

Columbian Monkshood is a poisonous plant. Ingesting any part—seeds, leaves, roots—causes abdominal pain, vomiting, and diarrhea. Skin contact with leaves and stems may cause numbness. Children are most at risk due to their age, size, and attraction to the flowers.
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RELATED: Toxicity of Columbian Monkshood

Weed Control

Columbian Monkshood is native to northwestern North America. It is planted as an ornamental and it attracts pollinators. It is not listed as invasive at the state or federal level in the United States and is listed as a conservation concern in at least one state. However, the roots, seeds, and leaves of columbian Monkshood can be toxic when ingested or touched. This toxicity results in it being unwanted in agricultural and other contexts. Furthermore, it can inhibit the growth of other nearby species as it releases toxins into the soil. Herbicides and hand pulling can be used to control weedy infestations of columbian Monkshood.
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Care Guide for Columbian Monkshood

Every week
Water
Partial sun
Sunlight
0 - 25 ℃
Ideal Temperature
Water: Columbian Monkshood, originating from moist mountain meadows, thrives in high-humidity conditions with moderate drought tolerance. It prefers consistent moisture and requires weekly watering. As an herbaceous perennial, columbian Monkshood's growth is closely linked to water availability, flourishing during rainy seasons.
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RELATED: How to Grow and Care for Columbian Monkshood
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