Scientific Name:
Allium
(incl. hybrids)
Pronunciation:
AL-ee-um
Common Name:
hybrid ornamental onion
Family Name:
Amaryllidaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves basal, linear; florets clustered in a dense umbel.
Habit:
Upright
Form:
Vase
Texture:
Medium - fine
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Garden origin (A. nutans (?) x ?)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Landscape Uses:
Attract beneficial insects, Perennial border, Rock garden, Urban agriculture, Woodland margin
Additional Info:
Google. Cultivars shown or on campus include A. 'Millenium'.
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Parallel venation
Surfaces:
Glabrous
Colour in Fall:
Yellow
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Entire
Inflorescence Type:
Umbel, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, Purple
Flower Time at Peak:
May, Jun, Jul
Additional Info:
6 tepals
Fruit Type:
Capsule
Fruit Colour:
Brown (black, shiny seeds)
Fruiting Time:
Sep, Oct
Additional Info:
Not showy
Bark or Stem Colour:
Green
Organ Modifications:
Bulbs, no bulblets form in the inflorescence
Propagation:
Seed, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant, Rabbit resistant)
Course(s):
- not used (on campus)
Location(s):
- (BCE) Boulevard (Circular) Eastend : labyrinth - cv. Millennium (A.nutans x A.senescens)
- (GRB) GRass Bed
- (GRBE) GRass Bed East
- (GRBW) GRass Bed West