Echinacea purpurea 'Rubinstern'
Common Name(s):
Ruby Star Coneflower
Purple Coneflower
Synonym:
Flower:
Purple
Blooms :
Jun
to:
Aug
Carmen red to purple rays and bronze brown cone
Botanical Description
Fragrant?
NO
Family:
Asteraceae
Herbaceous Plant, Perennial
Foliage:
Dark Green
coarse, ovate to broad-lanceolate
Fall Color?
NO
Deciduous
Photo by:
Heading 6
Dried flower heads
Oregon Native?
NO
West State Native?
NO
Origins:
Cultivar derived from native plants found in central and southeastern U.S.
Site Selection
Minimum USDA Hardiness Zone:
3
Water Needs:
L
Sun Needs:
Full Sun
Deer Resistant?
YES
Firewise?
YES
Height:
2-3'
Spread:
2-3'
Growth Rate:
Fast
Native Habitat:
Cultivar developed from E. purpurea which exists on prairies in Central and Eastern United States
Soil:
Clay, dry soil, shallow rocky soil
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Avoid overfertilizing, give a light amount in spring
Mulch:
Fine organic compost or shredded hardwood bark
Divide when clumps become overcrowded, about every 4 years
Long Term:
Winter:
Leave flower heads for the birds
Spring:
Remove dead plant material in the spring.
Summer:
Will rebloom without deadheading; watch for mites
Fall:
Flower heads can be left for fall/winter interest
General Care Comments:
Tolerant of drought, heat, humidity and poor soil
Common Problems
Aster Yellows , overwatering, Susceptibility to mites that cause disease
Diseases:
Aster yellows disease
Insects:
Aphids, spider mites, Japanese beetles, whiteflies, eriophyid mites
Environmental Problems:
Pests:
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