Hairy Beggarticks

Bidens alba

Hairy Beggarticks is an annual broadleaf weed that can sometimes grow as a perennial broadleaf weed. It\'s also commonly known as Common Beggarticks, Romerillo and Spanish Needles, in addition to its scientific name, Bidens alba.






Hairy Beggarticks can be identified by its smooth, erect to spreading stems, which often root at lower nodes. Its leaves are stalked with three to nine leaflets. The leaf edges are serrated and hairy on the undersides. These broadleaf weeds produce flowers that resemble daisies. The outer flower has white petals, and the center has a disc of many smaller yellow flowers. It reproduces by seeds, which can attach to fur or clothing.

Life Cycle

This broadleaf weed thrives in almost all areas disturbed by civilization, including poorly maintained lawns. It is found mainly in Florida and other subtropical areas, though it can also be found throughout much of the eastern United States.

Life Cycle Image


Strong cultural practices, such as proper mowing and watering, can help to prevent Bidens alba by creating dense grass, which inhibits this broadleaf weed's ability to grow. Physical removal (i.e., pulling weeds) can be effective, though you run the risk of spreading the seeds to additional areas of your lawn and landscaping.


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