Details of...
Scientific Name: Hydrangea arborescens
Pronunciation: hye-DRAIN-juh are-bore-ESS-enz
Common Name: hills of snow, smooth hydrangea
Family Name: Hydrangeaceae
Plant Type: Shrub - deciduous
Key ID Features: Leaves large, opposite, serrated, ovate; florets in large white corymb-like cymes. Winter ID: bark peels off in several successive thin layers with different colors.
Course(s): Level 2 Apprenticeship

Habit: Upright
Form: Vase
Texture: Coarse
Mature Size:
Height:1.3 - 2.0m
Spread:1.0 - 1.5m
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:
Landscape Uses: Mixed shrub border, Summer interest
Additional Info: Google. Cultivars shown and on campus may include H. ‘Grandiflora’ and H. 'Incrediball'. Other popular cultivars include .H. 'Annabelle'.
hills of snow, smooth hydrangea
Leaf Morphology: Glossary
Form: Simple
Arrangement: Opposite
Texture/ Venation: Heavily veined, Pinnate venation, Soft flexible
Surfaces: Glabrous
Colour in Fall: Yellow
Leaf(let) Terms:
Shapes: Ovate
Apices: Acuminate
Bases: Cordate
Margins: Serrate

Inflorescence Type: Corymb-like, Floriferous, Cyme
Flower Morphology:Flowers perfect
Number of Petals:5
Corolla Shape:Rotate/stellate
Ovary Position:Inferior
Colour (petals): Showy, White
Flower Time at Peak: Jun, Jul, Aug, Sep

Fruit Type: Capsule
Fruit Colour: Brown
Fruiting Time: Oct

Bark Morphology: Exfoliating
Bark or Stem Colour:
Organ Modifications: Runners (or stolons)

Pest Susceptibility: Pest resistant, Disease resistant, Deer resistant, Rabbit resistant
(GAZ) GAZebo
(GAZW) GAZebo West : ‘Grandiflora’q.1
(NRY) NuRserY : 'Incrediball'
Location Map

Report an Error