Tickseed sunflower (Bidens aristosa) Genus:  Bidens This fast-growing annual of the Midwestern wet meadows grows to 4 or 5 feet tall. Hundreds of 2-inch golden daisies with buttery tips and dark, fringed eyes smother fine foliage in late summer. Be cautioned, this plant generously self-sows, and is on Kentucky's invasive plant list. Propagation:  Sow seed in spring. Problems:  Possible invasive tendencies. Mottle virus, Cercospora leaf spot, white smut, downy mildew, powdery mildew, rust, leaf miners, aphids.

Overview

Height 3 ft. to 6 ft. Spread 1 ft. to 3 ft. Growth Pace Fast Grower, Invasive/Aggressive Grower Light Full Sun Only Moisture Medium to Wet Maintenance Moderate Characteristics Attracts Butterflies, Native, Self Seeds, Showy Flowers Bloom Time Early Fall, Fall, Late Summer, Summer Flower Color Yellow Uses Naturalizing Style Meadow Garden Seasonal Interest Summer Interest Type Annuals