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What Is Limelight Hydrangea Size? Explained Everything!

Adding Limelight Hydrangea can grace your yard, garden, containers, and hedges with the most vibrant blooms that appear once it attains a considerable size.

Generally, Limelight Hydrangea reaches the mature size of about 8 to 10 feet in height and 5 to 6 feet in width in about 4 to 5 years. It tracks the growth rate of 1 to 2 feet yearly while featuring pyramidal blooms that grow in clusters every July to October.

Meanwhile, the Limelight Hydrangea demands pruning to maintain its size and bloom. Read the article to understand the growth pattern of Limelight.

How Fast Does A Limelight Hydrangea Grow?

Limelight Hydrangea is a vigorous grower if provided with full to partial sunlight and balanced growing conditions in USDA zone 3-9.

As a fast grower, Limelight Hydrangea can attain a growth pace of 1 to 2 feet yearly after establishing in the first year of growth but can slow down after a peak point.
The cream bloom of Limelight Hydrangea is growing in a yard
The cream-to-white bloom changes to pink once it reaches maturity.

During the active growing season, from summer to fall, the Limelight holds up its pace to reach mature size in just about 4 to 5 years.

However, the growth speed of Limelight might degrade if not pruned regularly as it focuses more on bloom formation instead of growth. 

Limelight Hydrangea: How Big Can It Grow?

If the Limelight Hydrangea maintains the same growth pace yearly without being disturbed by external factors, it can easily grow to 10 feet or more.

The lifespan of Limelight is expected to be around 50 years, where it can reach mature full size with a spread of 6-8 feet but ceases later on.

However, the size of the Limelight may vary depending on the growers’ preference and the cultivars they choose to grow.

Precisely, the Limelight Hydrangea, grown as a tree, attains a height of 6-8 feet and a spread of 7 feet with a branch-free gap of 3 feet from the ground.

Meanwhile, the bush Limelight catered as a hedge and border shrub hardly reaches 6 feet tall as it is pruned regularly.

On the other hand, panicle Limelight Hydrangea dwarf cultivars like Little Lime typically attain a length and width of 4 feet, while Limelight Prime reaches 4 -6 feet in height and spread.

While attaining maturity, the Limelight continues to give a new flush of upright conical bloom of 8-12 inches long that changes its color from creamy white to pink in fall.

Best Ways To Control the Size Of Limelight Hydrangea

Landscaping preference might vary from person to person, as some choose to grow the Limelight Hydrangea as a border shrub but some as a tree.

You can shape Limelight Hydrangea in the desired size or form through pruning, which you must perform from late winter to early spring.
A person is holding on a pruner and is trying to cut the branch of a Hydrangea.
You should complete pruning before new buds appear not to harm the season’s bloom.

So understand the pruning tricks to train the variety as a single-trunk tree or a large hedge bush that can thrive on the coldest days.

Tips: You can trim off the blooms even during summer for your vase or prepare a bouquet.

  • Look out for nodes between the branches so that you can clip off the portion just above it to promote new growth from the bumps.
  • Choose the size to cut down the Hydrangea based on your preference of tree or shrub, but maintain 1.5 feet of height while pruning.
  • You can cut 1/3rd of its height for bloom and new leaves to develop.
  • Meanwhile, you can cut off the new growth branches at the basal part if you wish to have bigger flowers.

Avoid pruning the Hydrangea during the dormant period, as it may push back the growth and ultimately cause the plant to die.

From Editorial Team

Extra Tips!

Limelight Hydrangea is a long bloomer extremely resistant to diseases and pests and sometimes deters Deer, making it a protective border for other vulnerable plants.

Grow the hardy Hydrangea varieties for their stunning blooms that can tolerate even the coldest days, although they may appear dead.