Weed Database

White Clover (Trifolium repens)

White Clover (Trifolium repens)

A herbaceous, perennial plant. It is low growing, with heads of whitish flowers, often with a tinge of pink or cream that may come on with the aging of the plant.

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Bull Thistle (Cirsium vulgare)

Bull Thistle (Cirsium vulgare)

A tall biennial or short-lived monocarpic thistle, forming a rosette of leaves and a taproot up to 70 cm long in the first year, and a flowering stem 1–1.5 m tall in the second.

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Canada Thistle (Cirsium arvense)

Canada Thistle (Cirsium arvense)

It is a herbaceous perennial plant growing 30–100 cm, forming extensive clonal colonies from an underground root system that sends up numerous erect stems each spring.

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