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Smooth Hydrangea

Botanical Name
Hydrangea arborescens
Max Zone
9
Height
3 to 5 feet
Width
3 to 5 feet
Flowers
June: large, start green change to white, then brown
Light
Full sun to part shade
Soil
Moist, well-drained
Planting & Care
  • Keep soil moist in full sun
  • Forms flowers on new growth
  • Prune late winter after the worst of winter has passed /early spring before growth begins (You’ll enjoy the winter interest & increased hardiness
    • OR prune in fall for a neater appearance over winter
  • Prune all stems back to 12 to 15” above the ground, then prune half of these back to ground level for less floppy growth
    • OR All stems back to several inches above the ground – results in floppier growth
Problems
None serious
Varieties
  • Annabelle - flower clusters up to 12 inches wide
  • Grandiflora - Hills of Snow Hydrangea, flower heads 6 to 8 inches wide
  • Invincibelle Spirit- pink flowers
  • Incrediball – large round flowers. 5’ tall and wide

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