Annabelle Hydrangea vs Silky Lupine - TreeTime.ca

Annabelle Hydrangea vs Silky Lupine

Hydrangea arborescens Annabelle

Lupinus sericeus

CUSTOM GROW

Annabelle Hydrangea
Silky Lupine

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.

Silky Lupine is a native perennial wildflower known for its upright spikes of blue to violet flowers. Blooming from late spring into summer, the nectar-rich, showy blossoms attract a variety of pollinators, especially bees and butterflies. The plant’s fine, silky foliage provides soft texture and visual interest, enhancing landscapes throughout the growing season.

Silky Lupine is a nitrogen-fixing plant that enriches soils and supports surrounding vegetation. Its deep roots stabilize soil, and it spreads naturally by ejecting seeds from drying pods. If spread isn’t desired, new seedlings are easy to remove. While it is foraged by some wild animals, it contains alkaloids that are toxic to livestock. Silky Lupine is well-suited to pollinator gardens, naturalization plantings, erosion control, and ecological restoration projects.

Annabelle Hydrangea Quick Facts

Silky Lupine Quick Facts

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Zone: 3a
Zone: 4a
Height: 1.2 m (4 ft)
Height: 0.6 m (2.0 ft)
Spread: 1.5 m (5 ft)
Spread: 0.5 m (1.5 ft)
Light: partial shade
Light: any
Moisture: normal
Moisture: dry, normal
Growth rate: fast
Growth rate: medium
Life span: medium
Life span: short
Growth form: clump-forming
Spreading: seeds - high
Suckering: medium
Maintenance: medium


Toxicity: toxic to sheep and other livestock
Foliage: Silky-haired, palmately compound leaves
Flowers: white, showy clusters
Flowers: Blue to violet pea-like flowers
Bloom time: mid to late summer
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC