Symphyotrichum novi-belgii 'Synbul-Henfirst'
Common Name(s):
New York aster
Michaelmas daisy
Synonym:
Aster novi-belgii 'Synbul-Henfirst'
Common blue aster
Flower:
Blue
Blooms :
Aug
to:
Oct
Daisy-like flowers with yellow disk and blue to purple ray flowers
Botanical Description
Fragrant?
NO
Family:
Asteraceae
Herbaceous Plant, Perennial
Foliage:
Green
Leaves alternate 6" long .25-.5" wide lanceolate in shape
Fall Color?
YES
Flowers last into fall, range in color from blue, purple, white or pink shades. foliage dark green
Deciduous
Photo by:
Heading 6
Dried seed heads provide vital food source for songbirds, plant provides structure in the winter landscape
Oregon Native?
NO
West State Native?
NO
Origins:
Eastern United States
Site Selection
Minimum USDA Hardiness Zone:
4
Water Needs:
M
Sun Needs:
Full Sun
Deer Resistant?
YES
Firewise?
YES
Height:
3-4'
Spread:
2-3'
Growth Rate:
Medium
Native Habitat:
Coastal, plain, riverbanks, lake shores, fen and bog edges
Soil:
Well-drained soils, can be clay, sandy, loam
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Balanced sll purpose 10-10-10 NPK is recommended
Mulch:
Use organic mulch such as shredded bark or wood chips
Give full sun, consistent moist soil, well-drained, prune back to 6" in late spring, deadhead, apply fertilizer in spring, divide every 2-3 years, provide good circulation to prevent fungal diseases
Long Term:
Winter:
Leave stems or cut back is gardener's choice, make sure plants have 2-3" of mulch, reduce watering
Spring:
Cur back old stems, divide if needed, apply a balanced fertilizer, ensure consistent soil moisture, mulch
Summer:
Shear back stems by 1/3-1/2 before end of June, maintain soil moisture, give full sun, monitor for pests
Fall:
Cut back stems to ground after first frost, maintain consistent soil moisture, monitor for insects, apply layer of mulch
General Care Comments:
Keep well watered
Common Problems
Susceptible to disease - powdery mildew, rust,, wilt, 'Leggy growth', lower leaf fall
Diseases:
Powdery mildew,
Insects:
Lace bugs, leaf hoppers, aphids, spider mites, leaf beetles, larvae
Environmental Problems:
None
Pests:
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