Mountain hydrangea is a compact shrub with usually flattened flower clusters, whose blue or pink colour varies with the soil's pH.
- Height
- 60–122 cm / 2–4 ft
- Spread
- 60–122 cm / 2–4 ft
- Light
- Shade / Full sun / Partial shade
- Soil moisture
- Moist, well-drained
- Flowering
- Summer
- Foliage
- Deciduous
- Maintenance
- Medium
- USDA zones
- 6a–9b
Planting
Choose light or partial shade and fertile, moist, well-drained soil. In warmer climates, protect the foliage and flowers from strong sun and provide consistent summer watering.
Care
Prune lightly after flowering because blooms form on the previous season's stems. Remove weak or winter-damaged stems in early spring.
Before planting: Leaves can develop powdery mildew, and hot sun may scorch or fade the foliage and flowers.
Planting Mountain hydrangea?
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Sources & photo credit
Plant reference: NC State Extension Gardener Plant Toolbox. Content checked . Flowering seasons vary with local climate; USDA zones describe winter cold tolerance.
- Mountain hydrangea: Cathy Dewitt · CC BY 4.0. Resized, converted to WebP and cropped for display.
- Smooth hydrangea: Cathy DeWitt · CC BY 4.0. Resized, converted to WebP and cropped for display.
- Bearberry: Walter Siegmund · CC BY-SA 3.0. Resized, converted to WebP and cropped for display.
- Mountain laurel: Randy Harter · CC BY 4.0. Resized, converted to WebP and cropped for display.