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Home > Weeds > Hairy Galinsoga

Hairy GalinsogaGalinsoga ciliata

aka Quickweed

A summer annual spread mainly by seeds, hairy galinsoga is a weed of vegetable and nursery crops. It can be introduced with transplants or seedlings.

hairy galinsoga plant hairy galinsoga leaves hairy galinsoga flowers
A many branched plant which spreads quickly and shades and crowds out other plants. The stems are erect and covered with small hairs. The roots are shallow, making them easy to pull. Leaves are opposite, oval to triangaluar and coarsely toothed. They are covered with hairs on the upper surface. Many small flowers, each about ¼ inch across, are produced on each plant. They consist of 4 to 5 white, 3-toothed outer flowers and many yellow inner flowers. Flower from June until late autumn.

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[Photos, left to right: Ohio State Weed Lab Archive, The Ohio State University,; Joseph M. DiTomaso, University of California - Davis,; Joseph M. DiTomaso, University of California - Davis,]

It is the policy of the State of Maine to minimize reliance on pesticides. The Maine Department of Agriculture and the Maine IPM Council encourage everyone to practice integrated pest management and to use pesticides only as a last resort. The mention of pesticides in the fact sheets linked to these pages does not imply an endorsement of any product. Be sure that any product used is currently registered and follow all label directions.