Scientific Name:
Boltonia asteroides
Pronunciation:
bol-TOE-nee-uh ass-tur-oh-EYE-deez
Common Name:
false aster, snowbank aster
Family Name:
Asteraceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves alternate, elliptic to lanceolate, blades of main stem 7-11cm long x 3-5cm wide, margins sparsely toothed; flower heads ~3cm wide with ~25 white to pale violet ray florets and yellow disk florets.
Habit:
Arching, Open, Spreading
Form:
Round
Texture:
Fine
Mature Height:
1.3 - 2.0m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
U.S. - northeast
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Attract butterflies, Cut flower or foliage, Fall interest, Filler, Group or mass planting, Mixed shrub border, Perennial border, Summer interest
Additional Info:
Google. Cultivars shown or on campus include B. 'Snowbank'.
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Glabrous
Colour in Fall:
Green
Shapes:
Oblanceolate
Apices:
Acute
Bases:
Attenuate
Margins:
Serrulate
Inflorescence Type:
Head (capitulum), Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Ligulate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Yellow, Violet
Flower Scent:
None
Flower Time at Peak:
Jul, Aug, Sep
Fruit Type:
Cypsela (achene + calyx)
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep, Oct
Additional Info:
Not showy
Bark Morphology:
Smooth
Bark or Stem Colour:
Green
Propagation:
Seed, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Anthracnose, Fungal leaf spot, Mildew, Rust (Pest resistant, Deer resistant, Rabbit resistant, Drought tolerant)
