Rudbeckia spp.

blackeyed-susan

Asteraceae (Compositae)

Plant Specifics

Form:

flower

Size:

2-4 ft

Life Span:

annual

Flower Color:

yellow,brown

Fruit Color:

Phenology:

winter dormant

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Wildflower garden. All the species listed should grow well in garden settings. They are all grown for their showy flowers (most are yellow, though we do have one with small dark red ray flowers).

Considerations:

Light:

Full Sun, Part Sun

Moisture Tolerance:

Usually moist, occasional inundation ---- to ---- Not wet but not extremely dry

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand, Clay, Loam

Suitable to Grow In:

8A,8B,9A,9B,10A,10B,11

Ecology

Wildlife:

Pollinators, Butterflies, Birds

Attract butterflies, bees and wasps.

Small seed-eating birds pick out the seeds from the mature flower heads.

Native Habitats:

Vary by species. Mostly sandhills, bogs, roadsides, ruderal.