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A mature Mountain Hydrangea (Hydrangea serrata) growing in a residential garden bedShrubs

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Mountain Hydrangea

Hydrangea serrata

Mountain Hydrangea is a moderate-growing shrub, hardy in USDA zones 6-9, that matures to about 2–4 ft × 2–4 ft. It does best in part shade with medium water needs in well-drained and moist soil. Expect blue, pink and white blooms in summer. It attracts bees, stands up well to wind and grows happily in containers.

USDA zones
6-9
Sun
Part shade
Water
Medium
Mature size
2–4 ft × 2–4 ft
Growth rate
Medium
Maintenance
Medium
Soil
Well-drained, Moist
Bloom color
Blue, Pink, White
Bloom season
Summer
Attracts
Bees
Tough against
Wind
Native to
Japan, North and South Korea

Freeze survival

Will it survive your winters?

We score Mountain Hydrangea’s freeze-trouble range against the real coldest nights your area has recorded.

Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.

More plants for your zone:Zone 6Zone 7Zone 8Zone 9

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