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Key characteristics

Family: Hydrangeaceae
Height: 3 to 4 feet
Width: 3 to 4 feet
Flower color: Pale yellow to white, with rounded clusters up to 12 inches across
Foliage color: Deep green
Bloom time: Summer
Light: Full sun to partial shade
Water: Regular
Maintenance: Low
Growing zone: USDA zones 3 to 8
Wildlife: Pollinators such as bees and butterflies

Shrubs

Hydrangea arborescens 'SMHAMWM'

Seaside Serenade Bar Harbor Hydrangea

Hydrangea arborescens 'SMHAMWM', also known as Seaside Serenade® Bar Harbor, showcases clusters of creamy white flowers that exude a timeless elegance. Blooming from late spring through summer, these large rounded flower heads maintain their bright, fresh appearance, standing out beautifully against the plant's deep green foliage. The long-lasting blooms bring a touch of refinement to gardens and are well-suited for both formal and informal landscapes.

Light

Full sun to partial shade

Water

Regular

Bloom time

Summer

Find this plant

Works well in

Shade Gardens
Foundation Plantings
Cut Flower Gardens
Cottage Gardens

Companion plants

Mahonia · Rodgersia · Primrose · Japanese aralia · Bergenia · Maidenhair fern

Design tip

The compact habit and oversized flower heads give ‘Bar Harbor’ strong presence without requiring much garden space. Its clean, rounded form works particularly well when repeated to create a more structured, unified planting.

Printable plant sheet (PDF)