Common Name: Black-eyed Susan

Latin Name: Rudbeckia hirta

Height: 2-3 feet tall

Duration: Biennial

Bloom Color: Yellow

Bloom Time: June - October

Water Use: Medium

Soil: Medium-Wet, Medium, Medium-Dry. Well-drained soils.

Light Requirement: Sun, Part Sun

Spreads via seeds, self-seeds.

Host Plant:  Silvery Checkerspot butterfly caterpillars.

Pollinators: Little Carpenter bees, Leaf-Cutting bees, Green Metallic bees, Andrenid bees - including the Andrena rudbeckiae and Heterosarus rudbeckiae prefer visiting Black-eyed Susan and other closely related flowers. Syrphid flies, Bee flies, and Tachinid flies. Also some wasps, butterflies, and beetles.

Other Information: Seeds are eaten by goldfinches. Often blooms in the same year as grown from seed. Distinguished from other Rudbeckia species by hairy leaves and stems with long hairs. Blooms may last longer when planted in Part Shade.