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.
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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
On This Page
Images
Attributes
Culture
Toxicity
Weed Control
Care Guide
FAQs
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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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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