Purpletop is a purple flowered herb with erect stems up to 2m tall which are conspicuously square in cross-section and rough. Leaves are sessile (without a stalk), dull green and also rough. Leaves are narrowly rectangular to pear-shaped and hairy. The base of the leaf is slightly stem-clasping, leaf margin is irregular to regular toothed and apex is tapering to a point. Inflorescence (a group of flowers) occurs in the end of the branch having small purple-mauve flowers on cylindrical flowerheads grouped in threes. Flowers in late Spring and throughout Summer.

How to control Purpletop

Bioweed Organic Herbicide

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680g/L pine oil Bioweed Organic is a new generation in knockdown and pre-emergent weed control.  Australian certified organic, NASAA certified organic… Read More

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