The genus Bidens includes a diverse group of annuals, perennials, and shrubs, with uses ranging from hanging baskets, meadows, gravel gardens, to borders. Some species are considered invasive in certain states.
Noteworthy CharacteristicsDaisy-like, usually yellow flowers.
CareGrow in moist, well-drained soil in full sun.
PropagationSow seed in spring; take root cuttings of perennials in spring or fall.
ProblemsMottle virus, Cercospora leaf spot, white smut, downy mildew, powdery mildew, rust, leaf miners, aphids.