Hydrangea Endless Summer Bloomstruck®

Botanical Name: Hydrangea macrophylla ‘PIIHM-I’

Common Name: Endless Summer® BloomStruck® Hydrangea

Mature Height and Width:
3–4' tall × 3–4' wide

Growth Habit: Compact, rounded deciduous shrub with strong, sturdy stems and moderate density. Slightly tighter and more compact than Endless Summer® Original. Reblooming on both old and new wood.

Foliage Description: Broad ovate leaves; dark green with a slight reddish cast to stems and petioles. Foliage moderately coarse; matte surface.

Flower Description: Large spherical mophead inflorescences with intensified coloration. Blooms range from deep rose-pink in alkaline soils to rich purple-blue in acidic soils. Color more saturated than Original.

Bloom Time: Late spring through summer; reblooming.

Fall Color: Yellow to light bronze; stems may retain reddish tone.

Light Requirements: Morning sun with afternoon protection; best performance in partial sun to light shade in Zones 5–7.

Hardiness Zone: USDA Zones 4–9

Notable Landscape Uses:
Foundation planting; compact massing; mixed shrub borders; seasonal focal shrub; cottage-style plantings; color accent in partial shade beds.

Deer Resistance: Moderate
Hydrangea macrophylla types may experience browsing in high-pressure deer areas, particularly on tender new growth.