Scientific Name:
Hosta
'Halcyon'
Pronunciation:
HOSS-tuh
Common Name:
Halcyon hosta
Family Name:
Asparagaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves basal, ovate-lanceolate, 8-14cm long x 4-6cm wide, more elongated and thicker than most other blue hosta cvs. glaucous, gray-bluish green; racemes to 50cm tall, flowers 5-6cm long x 2-3cm wide when open, pale lilac-blue, Jul-Aug.
Habit:
Arching, Upright
Form:
Mounded
Texture:
Medium
Mature Height:
0.2 - 0.4m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Moderate
Origin:
Garden origin (H. tardiflora x H. sieboldiana var. elegans)
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun only if soil kept moist, Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Humus rich
Water Use:
Moderate
Landscape Uses:
Container planting, Ground cover, Group or mass planting, Perennial border, Small garden/space, Summer interest, Waterside planting
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Basal
Texture/Venation:
Soft flexible, Parallel venation
Surfaces:
Glabrous, Glaucous
Colour in Summer:
Bluish
Colour in Fall:
Yellow
Shapes:
Lanceolate, Ovate
Apices:
Acuminate
Bases:
Cordate
Margins:
Entire, Undulate (wavy)
Additional Info:
Glaucous bloom, thick leaf
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Tubular
Ovary Position:
Superior
Colour (petals):
Showy, Blue, Violet, Pink
Flower Scent:
None
Flower Time at Peak:
Jun, Jul
Fruit Type:
Capsule, Aborted (hybrids) or absent
Fruit Colour:
Green, Black
Fruiting Time:
Sep, Oct
Additional Info:
Not showy
Bark or Stem Colour:
n/a
Organ Modifications:
Fleshy monocot roots
Propagation:
Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant)
