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Annabelle Hydrangea

Hydrangea arborescens 'Annabelle'

Unlike its blue and pink counterparts, this classic beauty prevails in colder regions year after year. The Annabelle Hydrangea thrives in partial shade and moist soil. Cut and dry their over-sized flower heads for an extravagant addition to any room.

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Annabelle Hydrangea Shrubs for Sale Online

Native to the United States, the Annabelle Hydrangea (Hydrangea arborescens) is a naturally occurring cultivar that yields magnificent white flower clusters that can grow to be 10 inches in diameter. Reaching up to 5 feet tall and wide, these show-stoppers are an excellent centerpiece for a border garden.

If you live in a harsher climate that cannot support a macrophylla, this deciduous hydrangea is the perfect alternative. It never fails to regrow every season, despite threatening conditions. This hydrangea loves to bask in the morning sun but requires afternoon shade in warmer climates. Whereas, in cooler locations, full sun is preferred. Blooming in July and lasting through September, the pure white blossoms of the Annabelle shrub are a pleasant contrast to their deep green foliage.

The blooms on the Annabelle Hydrangea are so large, in fact, that the branches can sag after rain from the weight of its flowers. As a result, these flowering shrubs are often used as hedges where they can support each other as they grow and provide privacy in a beautiful and unexpected way.


Hardiness Zone: 4-9
Mature Height: 4-5 feet
Mature Width: 4-5 feet
Classification: Broad leaved deciduous shrub, summer flowering
Sunlight: Full to partial sun
Habit: Upright
Foliage: Dark green
Flower Color: Pure white
Pruning Season: Prune in late winter, flowers on new wood
Soil Condition: Any well drained soil
Water Requirements: Water well until established
Uses: Extremely attractive when used as a focal point in the mixed border, mass planting, or a specimen planting
Growzone: 4-9 Annabelle Hydrangea Hardiness Zone

How to Care for Annabelle Hydrangea

Before you buy an Annabelle Hydrangea, make sure to read about the care instructions that are required and recommended to keep this plant healthy and flourishing.

How do I water my smooth Hydrangea shrub?

How do I water my smooth Hydrangea shrub?

During the first season, water regularly to allow the plant to establish a root system that will support it throughout its lifetime. After that, it is important to water your plant weekly since the Annabelle Hydrangea flourishes in moist soil.

How do I fertilize Annabelle Hydrangea?

How do I fertilize Annabelle Hydrangea?

The Annabelle Hydrangea is known for its voluptuous white blooms. In order to maintain this growth, I suggest using an organic fertilizer that encourages blooms such as Jack's Classic Blossom Booster. A well-draining fertilizer will also help to prevent rot and disease.

How do I mulch Annabelle Shrubs?

How do I mulch Annabelle Shrubs?

In order to protect your plant's roots from harsh winters, retain moisture, and ward off unwanted and intrusive weeds, it is important to surround your Annabelle Hydrangea will mulch. We recommend organic mulch such as a ground hardwood or cypress mulch. Using an organic mulch will provide the shrub with additional nutrients as the mulch decomposes, resulting in even more beautiful blooms. Make sure you leave about 3 inches of space between the base of the plant and the mulch line so the tree can breathe. This will also prevent the roots and stem from becoming waterlogged and risking root rot.

How do I plant my Annabelle Hydrangea?

How do I plant my Annabelle Hydrangea?

We suggest when planting your newly purchased Annabelle Hydrangea Shrubs plants that you dig a hole twice as wide as the root system, but not deeper. Be sure to place your shrub well-drained soil. As mentioned early, the grand size of this flowering shrub's blooms can be too much for its supporting branches. There are a few ways to combat this: you can plant your hydrangea next to a decorative fence as support, surround the base of your hydrangea with a short wire fence to reinforce the branches as the plant grows, or plant 3 or more hydrangeas together 3 feet apart so that they support each other as they grow. If you want to plant multiple hydrangeas but choose not to opt for this last option, plant the shrubs at least 5 or 6 feet apart.


Frequently Asked questions

How do I prune Annabelle Hydrangea Shrubs?

Do Annabelle Hydrangeas bloom all summer?


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