Black-Eyed Susans

PLANT TYPE: Black-Eyed Susan (Perennial)

HARDINESS (USDA ZONE): 3 to 9

SEASON: Late spring and early summer

EXPOSURE: Full sun

TIME TO MATURITY: 8 to 10 weeks

SPACING: 18 inches

PLANTING DEPTH: Seed 1/4 inches.

HEIGHT: 18 to 24 inches

SPREAD: 12 to 15 inches

PESTS & DISEASES: Botrytis blight, powdery mildew, leaf spot, rust and Vertcillium wilt. Aphids, nematodes, slugs and snails

WATER NEEDS: 1 inch per week

MAINTENANCE: Medium

TOLERANCE: Heat

SOIL TYPE: Organically Rich loam

SOIL pH: 6.0 to 6.8

SOIL DRAINAGE: Moist and well drained

COMPANION PLANTING: zinnias, globe thistle, sedum, perennial hibiscus, echinacea, joe-pye weed, and ornamental grasses.

GENUS: Rudbeckia spp.