Hydrangea macrophylla 'Bailmer' (PP15, 298)

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Care and Growing Tips

Endless Summer Collection of plants are chosen not only for their stunning looks and repeat blooming ability, but also for their great performance in a wide range of applications, settings and zones. Like any plant, however, it’s important to exercise proper care to ensure you get the most from your plant all summer long, year after year.

Northern Climate Winter Care

To ensure overwintering success in the first year, the following is recommended:

  • Stop all applications of fertilizer after August 15th to acclimate the plant for winter.
  • Keep the soil moist through the fall months until the ground is frozen.
  • Cover the plant with a four-inch layer of organic mulch (wood mulch, leaves, etc.). There is no need to cover all stems to the tip or to cut them back.
  • Covering should be done when fully dormant (around November 30th), or at the same time you would cover perennials in your garden.
  • In spring, uncover with your perennials when the ground is no longer frozen. The plant will grow from the base of the plant and also from any old branches that survived winter.
  • Be patient. Growth will come slowly until the heat of late spring stimulates the plant to grow faster.
  • Once you see growth you can prune back the old branches to a finger width above the new green growth.
  • Sit back and watch your plant grow and bloom. Depending on your climate, this should happen around mid-July.