Rudbeckii fulgida 'American Gold Rush'
Common Name(s):
Black Eyed Susan
American Gold Rush Black Eyed Susan
Synonym:
Rudbeckia x 'American Gold Rush'
Rudbeckii American Gold Rush
Flower:
Yellow
Blooms :
Jul
to:
Sep
Flowers in heads with yellow rays and brownish disk flowers
Botanical Description
Fragrant?
NO
Family:
Asteraceae
Herbaceous Plant, Perennial
Foliage:
Green
Leaves alternate, thin, hairy, narrow
Fall Color?
YES
Blooms until frost, seed heads provide structural interest and food for the birds
Deciduous
Photo by:
Heading 6
Has sturdy dark brown seed heads and stiff dry stalks
Oregon Native?
NO
West State Native?
NO
Origins:
North America Native
Site Selection
Minimum USDA Hardiness Zone:
3
Water Needs:
L
Sun Needs:
Full Sun
Deer Resistant?
YES
Firewise?
YES
Height:
1.5-2'
Spread:
1.5-2'
Growth Rate:
Medium
Native Habitat:
Prairies , meadows
Soil:
Loamy well-drained
Care Recommendations
Maintenance Level:
Low
Fertilizer:
May not need any if planted in moist rich soil, if needed use a balanced slow release in early spring
Mulch:
Shredded hardwoods or compost
Divide every 4-5 years, thrives in full sun, needs well-drained soil, consistent soil moisture, little to no fertilizer
Long Term:
Winter:
Cut back foliage in late winter to 6" above ground, apply mulch if not done in fall
Spring:
Cut back old foliage, apply 1" layer of compost, divide if overgrown
Summer:
Deadhead to promote additional flowering, water when dry
Fall:
Can deadhead but best to leave seed heads for the birds, provide water if prolonged dry periods, apply a layer of mulch to protect roots
General Care Comments:
Deadheading for additional flowering, full sun, consistent soil moisture, prune late winter, divide every 4-5 years
Common Problems
May flop in fertile soils and needs to be staked
Diseases:
Powdery mildew, downy mildew, Aster yellows
Insects:
Aphid , sawflies, whiteflies, thrips, spider mites, beetles,
Environmental Problems:
Excessive moisture, high humidity, both may lead to disease
Pests:
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