Annabelle Hydrangea vs Yellow Mountain Avens - TreeTime.ca

Annabelle Hydrangea vs Yellow Mountain Avens

Hydrangea arborescens Annabelle

Dryas drummondii

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Annabelle Hydrangea
Yellow Mountain Avens

Annabelle Hydrangea is a cold hardy shrub that is well known for its large, compact clusters of white flowers. Unlike other flowering species, Hydrangeas do best in partial shade. However, they are capable of growing in full sun if the soil is kept consistently moist.

Blooms occur on new wood, so regular pruning is encouraged in late winter. Try Annabelle Hydrangea as a border or on its own.

Yellow Mountain Avens is a native perennial wildflower with bright yellow buttercup-like blooms. The nectar-rich flowers attract a variety of pollinators, including bees and butterflies. By thriving at higher elevations, it helps sustain pollinator populations and provides one of the earliest sources of nectar and pollen in alpine habitats.

As a nitrogen-fixing plant, Yellow Mountain Avens enriches soil fertility and supports the growth of surrounding vegetation. It forms dense, spreading mats of evergreen foliage that act as a groundcover and help stabilize soil. Often among the first species to establish in disturbed alpine sites such as glacial outwash or landslides, it is well-suited for alpine revegetation, erosion control, naturalization, and ecological restoration projects in harsh, rocky environments.

Annabelle Hydrangea Quick Facts

Yellow Mountain Avens Quick Facts

Zone: 3a
Zone: 1b
Height: 1.2 m (4 ft)
Height: 0.2 m (0.5 ft)
Spread: 1.5 m (5 ft)
Spread: 0.3 m (1.0 ft)
Light: partial shade
Light: full sun
Moisture: normal
Moisture: dry, normal
Growth rate: fast
Growth rate: medium
Life span: medium
Life span: short
Growth form: mat-forming, creeping
Spreading: stolons - medium, seeds - low
Suckering: medium


Foliage: evergreen, leathery
Flowers: white, showy clusters
Flowers: yellow, buttercup-like, nodding
Bloom time: spring to summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, ON, QC, NB, NL, YT, NT
Other Names: drummonds dryad, drummonds mountain avens, yellow dryad