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The Height of Endless Summer Hydrangeas

A cultivar of bigleaf hydrangea (Hydrangea macrophylla), Bailmer -- known by the trademark name Endless Summer -- is a naturally compact, mounding shrub. Gardeners appreciate its tendency to produce continual flowers from summer into fall.
  1. Size

    • The mature size of the Endless Summer hydrangea is between 3 to 5 feet tall. This also matches its natural width dimensions, but expect the shrub to be slightly wider than it is tall.

    Considerations

    • Gardeners are often confused about pruning hydrangeas. Endless Summer produces flowers from both old and current stem growth. Annual pruning isn't necessary to keep this plant tidy and producing attractive pink flowers in alkaline soils or blue blossoms in acidic soils.

    Misconceptions

    • Endless Summer hydrangea also demonstrate more tolerance to winter cold, making it survive winters in U.S. Department of Agriculture hardiness zones 4 through 8. More branch dieback may occur in colder regions, but regrowth occurs. Plants that are killed back to the ground each winter may produce a plant only 3 feet tall and wide, at most.