Scientific Name:
Hosta sieboldiana
Pronunciation:
HOSS-tuh see-bold-ee-AY-nuh
Common Name:
blue hosta
Family Name:
Asparagaceae
Plant Type:
Ground cover, Herbaceous perennial
Key ID Features:
Leaves basal, ovate, most 20-35cm long x 15-30cm wide, blue-green, glaucous, 12-14 pairs of major veins, margin entire, apex cuspidate and base cordate.
Habit:
Arching, Dense, Spreading
Form:
Mounded, Vase
Texture:
Very coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
1.0 - 1.5m
Growth Rate:
Moderate
Origin:
S.E. Asia / Japan / China (Japan)
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Accent plant, Container planting, Cut flower or foliage, Fragrance, Ground cover, Group or mass planting, Perennial border, Specimen plant, Waterside planting, Woodland margin
Additional Info:
Google. Cultivars shown or on campus may include H. 'Elegans'. Other cultivars on campus may include 'Frances Williams' (variegated), H. 'Gray Cole' (leaves puckered, deeply blue gray, and H. 'Love Pat', and H. 'Tokudama'. Compare to H. 'Blue Boy' (hybrid involving this parent with smaller leaves).
Leaf Morphology:
Form:
Simple
Arrangement:
Basal
Texture/Venation:
Leathery, Heavily veined, Parallel venation
Surfaces:
Glabrous, Glaucous
Colour in Summer:
Bluish, Green, H. sieboldiana 'Gray Cole' has puckered deeply blue gray leaves and
Colour in Fall:
Bluish, Green, Yellow
Shapes:
Ovate
Apices:
Acute
Bases:
Cordate
Margins:
Entire
Inflorescence Type:
Raceme, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Tubular
Ovary Position:
Superior
Colour (petals):
Showy, White, Violet (White to pale purple)
Flower Scent:
Sweet
Flower Time at Peak:
Jun, Jul
Fruit Type:
Capsule
Fruit Colour:
Green
Fruiting Time:
Aug, Sep
Additional Info:
Fruit insignificant
Bark or Stem Colour:
n/a
Organ Modifications:
Fleshy monocot roots
Propagation:
Seed, Division - below ground parts
Pest Susceptibility:
Diptera - true flies, Leaf scorch, Nematodes, Virus (Deer resistant, Rabbit resistant)
Course(s):
- HORT 2355
Location(s):
- (GAZ) GAZebo
- (GAZN) GAZebo North : cv. Frances Williams q.2
- (MCF) Main Courtyard Fountain : (or hybrid: cv. Blue Boy)
- (PPL) Pine PLanting : cv. Gray Cole
- (WLG) WoodLand Garden : cvs. Love Pat, Tokudama