Hydrangea Flowers

Learn about different hydrangea flower types and why some hydrangea flowers steal the spotlight better than others.
By: Julie A Martens
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Botanical Names: hydrangea

Include showy hydrangea flowers in your landscape. These beautiful shrubs are easy to grow, and when they’re in flower, hydrangeas can stop traffic. You can find a hydrangea to suit a variety of landscape situations, from hedge, to pretty patio plant, to trellising vine. When you include a hydrangea in your landscape, you open the door to enjoy the beautiful flowers hydrangeas produce all year long, because these blooms dry easily, retaining strong color.

Hydrangea flowers feature a clustered form and appear at the ends of branches. This arrangement of single blossoms into a larger head is what makes hydrangea flowers such a showstopper. That big colorful flowerhead on a hydrangea — the part that most people call the flower — is actually composed of what’s known botanically as bracts.

Typically hydrangea flowers can be grouped into three types or forms. The mophead or French hydrangea has a rounded flower head and is probably the most widely known type of hydrangea. On these flowerheads, the bracts are usually blue, purple, pink or white. This is the hydrangea that people refer to when they talk about changing hydrangea flower color. These hydrangea flowers are actually sterile and don’t produce seeds.

Oakleaf hydrangeas have what’s known as a panicle flower form. This type of hydrangea flower is cone shaped. The bracts (what most folks refer to as flowers) are gathered into an elongated cluster. On the native oakleaf hydrangea, flower clusters contain a mix of sterile and non-sterile blosssoms. Oakleaf cultivars, especially the ones with the showiest, largest flower clusters, usually contain mostly sterile blooms with large bracts.

'Bloomstruck' Hydrangea

'Bloomstruck' a reblooming hydrangea variety. It's said to be more tolerant winter cold and summer heat than previous reblooming types.

Photo By: Endless Summer Hydrangeas

Hydrangeas in Winter

Protect hydrangeas during winter with a layer of mulch. Leave faded blooms to create winter interest.

Photo By: Endless Summer Hydrangeas

Hydrangea 'Jetstream'

As summer goes on, the blooms on 'Jetstream' hydrangea slowly fade to pink.

Photo By: First Editions

'BloomStruck' Hydrangea

'BloomStruck' is great for beginners — it has excellent heat tolerance, cold tolerance plus it is a re-blooming variety.

Photo By: Endless Summer Hydrangeas

'Diamond Rogue' Hydrangea

'Diamond Rogue' is a real stunner with blooms that transform from white to pink before finally turning a deep, wine red in fall. It grows from 4 - 5 feet tall and 3 - 4 feet wide, making it a great choice for smaller landscapes.

Photo By: First Editions

Protect Hydrangeas Over Winter With Mulch

"The mulch’s job is to create a more consistent environment than what is happening outside," says Ryan McEnaney from Bailey Nurseries. "In some parts of the country, temperatures can fluctuate from -10 to 30 degrees in a week or two. As that happens, water molecules in the ground freeze (contract) and then melt (expanding), disrupting the root system (heaving). Mulch helps alleviate those dramatic changes to protect the plants."

Photo By: Endless Summer Hydrangeas

'BloomStruck' Hydrangea

'BloomStruck' hydrangea features blue-violet or pink (depending on soil acidity) flower clusters that rebloom all summer.

Photo By: Endless Summer Hydrangeas

'Diamond Rogue' Hydrangea

First Editions 'Diamond Rogue' Hydrangea boasts big cones of white flowers that turn wine red as the blooms age.

Photo By: First Editions

Hydrangea 'Jetstream'

An oakleaf hydrangea, 'Jetstream' produces tall, sturdy cones of white flowers that fade to pink as they age. Prune after it flowers in midsummer.

Photo By: First Editions

'Jetstream' Hydrangea Leaves Create Fall Color

The oak-like leaves of 'Jetstream' hydrangea turn stunning shades of orange-red in the fall, helping give this plant interest all year.

Photo By: First Editions

Lacecap hydrangea shrubs are similar in appearance to French hydrangeas with one exception: the blossoms. Lacecap hydrangea flowers contain a combination of easily visible sterile and non-sterile blooms. The inner blooms, which may resemble buds when closed or a fuzzy flower when opened, are the fertile flowers, while the outer, more traditional looking hydrangea flowers are bracts.

Climbing hydrangeas open lacecap-type hydrangea flowers that are fragrant. The flowers open to reveal a flattened cluster arrangement, with fertile, fuzzy flowers in the center ringed with showy sterile blossoms (or bracts). Color varies somewhat from creamy white to greenish yellow, although the showy bracts are usually white.

Hydrangea flowers bring timeless beauty and old-fashioned charm to any setting. Botanically, these bloomers boast a range of flower forms and types. When you make plans to add hydrangeas to your landscape, consider including a variety of hydrangea flower types to stir even more seasonal interest.

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Blue Hydrangea

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Bring the stunning beauty of Annabelle hydrangea to your yard in shades of white or pink.

Hydrangea Macrophylla

Learn about bigleaf hydrangea, including reasons why you’d want this beauty in your landscape.

Hydrangea Bush

Discover what you need to know about popular hydrangea shrubs, including tips for year-round care.

Hydrangea Paniculata

Learn how to grow the beautiful hydrangea tree that’s hardy and tolerates more sun than its French hydrangea cousins.

Oakleaf Hydrangea

Discover the multi-season interest of oakleaf hydrangea, which tolerates more sun and drier soil than other hydrangea shrubs.

Hydrangea Colors

Learn about hydrangea colors and how you can change hydrangea color.

Types of Hydrangea

Get the scoop on different types of hydrangea, including popular varieties, and learn which is right for your yard.

White Hydrangeas

Fill your garden with the living elegance of graceful white hydrangeas.

Purple Hydrangea

Plant purple hydrangeas to add a strong wow factor to your garden.


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