How to Grow and Care for Poison hemlock

Poison hemlock, also known as Hemlock, Spotted hemlock, Devil's Porridge, Poison parsley, Spotted corobane, Beaver poison, Musquash root, Snake weed

Poison hemlock requires careful handling and management due to its high toxicity to humans and animals. It thrives in moist, fertile soils with ample sunlight but can also tolerate partial shade. A crucial special care point is to ensure it does not spread, as poison hemlock is an aggressive invader and can easily overtake native plant communities. Protective gloves are a must when handling poison hemlock to prevent skin contact with its toxic sap.

Watering schedule: Every week

Sunlight Requirements: Full sun

Toxic to Human & Pets

In This Article

Planting and Growing Poison hemlock

Care Difficulty	Hard
Lifespan	Biennial, Perennial
Watering Schedule	Every week
Sunlight Requirements	Full sun
Soil pH	6-7
Planting Time	Late summer
Hardiness Zones	5-10
Toxicity	Toxic to Human & Pets

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Common Pests & Diseases

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The Toxicity of Poison hemlock

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More General Info About Poison hemlock

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Quickly Identify Poison hemlock

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Poison hemlock is a tall biennial plant, reaching heights of 5 to 8 feet (150 to 240 cm). It has a smooth, hollow stem distinctly marked with purple blotches. The leaves are finely divided and lacy, resembling a carrot top, while its small white flowers are clustered in umbrella-like shapes, typical of its family. The entire plant has a disagreeable odor, more noticeable when crushed. Poison hemlock's appearance may vary slightly depending on its environment but consistently displays these identifying features.

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More Info on Poison hemlock Growth and Care

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