Bigleaf Hydrangea
- Botanical Name
- Hydrangea macrophylla
- Hardiness
- Zones 6 to 9
- Height
- 3 to 4 feet
- Width
- 4 to 6 feet
- Flowers
- Pink to blue - depending on pH, look of flower depends on cultivar
- Light
- Sun to part shade (best)
- Soil
- Moist, well-drained, organic
- Planting & Care
- Blooms on previous season's growth
- If needed, prune immediately AFTER flowering by cutting back stems to a pair of healthy buds
- Prune out dead, weak or wayward stems in late winter or early spring
- Does not do well in hot dry conditions
- Moderately salt tolerant
- pH affects flower color
- Blue in highly acidic soils
- Lilac to pink in slightly acidic to alkaline soils
- Plants grown in Zone 5 should be grown in a sheltered location and provided additional winter protection to minimize the risk of loss of flower buds and die back due to harsh winter weather
- Problems
- Winter hardiness
- Varieties
- All Summer Beauty - 3-4' tall and wide, blooms on new growth
- Endless SummerTM - Zones 5 to 9, blooms on current seasons growth
- Twist and Shout – 3 to 4’ tall & wide, lace cap flowers on old and new wood
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