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Scientific Name:
Aruncus dioicus
Pronunciation:
uh-RUNK-us dye-oh-EYE-kuss
Common Name:
goat's beard
Family Name:
Rosaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Clump-forming rhizomatous perennial to 2m tall; leaves bipinnate; flowers tiny, creamy-white in large terminal panicles.

Habit:
Arching, Open
Form:
Oval - vertical
Texture:
Medium
Mature Height:
1.3 - 2.0m
Mature Spread:
1.0 - 1.5m
Growth Rate:
Fast
Origin:
B.C. west of Cascades, Canada - eastern, Europe
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:
Humus rich, Well-drained
Landscape Uses:
Native planting, Perennial border, Reclamation, Spring interest, Waterside planting, Woodland margin
Additional Info:

Leaf Morphology:
Form:
Compound
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Glabrous, Pubescent
Compound Leaf:
Odd-pinnate, Bipinnate
Colour in Fall:
Yellow
Shapes:
Ovate
Apices:
Acute
Bases:
Cordate, Cuneate
Margins:
Double serrate
Additional Info:
2-pinnate, fern-like; right image is of Aruncus dioicus 'Kneiffii'

Inflorescence Type:
Panicle, Floriferous
Flower Morphology:
Dioecious plant
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Perigynous
Colour (petals):
Showy, White (male flowers white or creamy-white; female flowers greenish-white)
Flower Scent:
Unpleasant
Flower Time at Peak:
May, Jun, Jul
Additional Info:
female flowers pendent

Fruit Type:
Follicle
Fruit Colour:
Yellow, Brown
Fruiting Time:
Aug, Sep
Additional Info:
Not showy,

Bark or Stem Colour:
Organ Modifications:
Rhizomes
Propagation:
Seed, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Rabbit resistant, Drought tolerant)

Course(s):
  • HORT 2355
Location(s):
  • (BCE)  Boulevard (Circular) Eastend
  • (JPL)  Juglans PLanting
  • (WLG)  WoodLand Garden
Location Map