Get to Know the 6 Different Hydrangea Types

Published: April 8, 2024 | Updated: August 12, 2026

Rows of bigleaf hydrangea types in different colors on a garden center shelf, showing the range of options gardeners face

There are so many hydrangea types to choose from, whether you're picking a new one or identifying one you already have. Image © Plant and Bloom Design Studio

Are you overwhelmed by all the different hydrangeas at the garden center? There are six main hydrangea types grown in home gardens, each with its own flowers, growing needs, and personality. Add in the dozens of cultivars available within each type, and it's easy to see why choosing one can get confusing.

This guide breaks down the key differences between all six, from how to identify them to where they grow best, so you can choose the right hydrangea for your garden with confidence.

One quick clarification before we dive in: you'll often hear these hydrangea types called "varieties," and I sometimes use that word loosely too. Technically, we're talking about different species: bigleaf (Hydrangea macrophylla), panicle (Hydrangea paniculata), oakleaf (Hydrangea quercifolia), mountain (Hydrangea serrata), smooth (Hydrangea arborescens), and climbing (Hydrangea anomala subsp. petiolaris).

Within each species are the named cultivars you see at nurseries, such as ‘Limelight’ panicle hydrangea or ‘Ruby Slippers’ oakleaf hydrangea. Once you know which type is right for your garden, exploring all the cultivars is the fun part.

All photos in this guide are real, either taken by me, provided by trusted growers and nurseries, or carefully selected from stock photography.

Which Hydrangea Type Do You Have?

Not sure what type of hydrangea is growing in your yard, or what kind you're hoping to plant? Here's a quick way to narrow it down. Most hydrangea types can be identified by three things: flower shape, leaf shape, and one standout clue, whether that's a color-changing bloom, a distinctive leaf, or a growth habit like climbing or suckering.

Use the chart below to find your match among all six hydrangea types, then read on for the full details on each one.

Comparison chart of 6 hydrangea types by flower shape and leaf shape: bigleaf, panicle, oakleaf, mountain, smooth, and climbing hydrangea

A few distinctions worth calling out, since these are the ones that trip people up the most:

Bigleaf vs. mountain hydrangea are easy to confuse. Both types produce similar lacecap or mophead blooms in blue, pink, or purple. The tell is in the leaves: mountain hydrangea's leaves are narrower, more serrated, and duller than bigleaf's broad, glossy foliage. Mountain hydrangea also holds up better through late frosts and doesn't wilt as quickly in heat.

Oakleaf hydrangea is the easiest of the six types to identify at a glance because no other kind of hydrangea has deeply lobed, oak-shaped leaves. If you're still not sure which type you have, check the stems in winter: oakleaf's peeling, cinnamon-colored bark is another giveaway no other type shares.

If your hydrangea is climbing a wall, fence, or trellis, it's almost certainly climbing hydrangea because none of the other five hydrangea types grow as a vine.

  1. Bigleaf Hydrangea (Hydrangea macrophylla)

Nikko Blue, a bigleaf hydrangea type, with blue mophead flowers and glossy green leaves

‘Nikko Blue’, a classic variety of the bigleaf hydrangea type known for its true-blue mophead blooms in acidic soil. Image © Plant and Bloom Design Studio

An old-fashioned favorite among the hydrangea types. Also called French hydrangea, mophead, or Hortensia.

At a Glance

  • Zones: 6-9 (some can grow in zone 5 with winter protection)

  • Bloom Time: Summer

  • Sun: Partial shade

  • Size: 3-6 feet tall and wide; smaller cultivars available

  • Flower Types: Mophead (large, globe-shaped) or lacecap (flattened heads with tiny flowers surrounded by larger florets)

  • Blooms On: Old wood; newer reblooming cultivars bloom on old and new wood

A deciduous shrub with an upright, multi-stemmed form, bigleaf hydrangea is native to Japan and Korea and perhaps the most familiar of all the hydrangea types. Its lush foliage and oversized mophead or delicate lacecap blooms give it that classic hydrangea look, and the flowers are beautiful both in the garden and cut for arrangements. One of its most fascinating traits is the ability to change flower color with soil pH. Acidic soil produces blue blooms, while alkaline soil produces pink.

For all its beauty, bigleaf hydrangea can be a somewhat temperamental bloomer. Late frosts can damage flower buds on older cultivars that bloom only on old wood. Newer reblooming cultivars flower on both old and new wood, giving you a better chance of consistent blooms even after a rough winter.

Side-by-side comparison of bigleaf hydrangea mophead and lacecap flowers showing 2 different hydrangea types

Bigleaf, one of the most recognizable hydrangea types, comes in two flower forms: mophead and lacecap. Image credits: © Ken Wiedemann via Canva.com (mophead) and © Nature Photograph via Canva.com (lacecap)

Popular cultivars: Endless Summer® Reblooming hydrangea series, Let's Dance™ Reblooming hydrangea series, and Bloomstruck®.

For a closer look at specific varieties, see our guides to ‘Nikko Blue’, ‘Blushing Bride’, Eclipse®, and ‘Mathilda Gutges’ hydrangeas.

And be sure to check out our complete guide to growing bigleaf hydrangeas.

2. Panicle Hydrangea (Hydrangea paniculata)

Berry White panicle hydrangea, a cone-shaped hydrangea type, blooming behind a white picket fence

‘Berry White’, a popular cultivar of the panicle hydrangea type, is prized for its cone-shaped blooms that age from white to pink as summer goes on. Image courtesy of Bailey Nurseries

Among all the hydrangea types, panicle is the most sun, heat, and drought tolerant, making it a favorite for gardeners with hot, sunny yards.

At a Glance

  • Zones: 3-8 (the popular ‘Limelight’ cultivar grows in zones 3-9a)

  • Bloom Time: Summer through early fall

  • Sun: Full sun

  • Size: 6-8 feet tall and wide; smaller cultivars available

  • Flower Shape: Cone-shaped panicles

  • Blooms On: New wood

A deciduous shrub with an upright, multi-stemmed form, panicle hydrangea is native to China and Japan and is one of the easiest hydrangea types to grow. Unlike bigleaf hydrangea, its flower color isn't affected by soil pH. Instead, the blooms naturally shift through shades of white, cream, green, and pink as they mature through the season.

It's fast-growing, vigorous, and reliable, blooming consistently on new wood, so a hard prune in late winter or early spring won't cost you a season of flowers the way it can with old-wood bloomers. It also makes an excellent source of cut flowers for arrangements.

Popular cultivars: ‘Limelight’, Quick Fire®, Vanilla Strawberry™, Bobo®, Strawberry Sundae®, Little Hottie®

See our full panicle hydrangea guide for pruning and top cultivars.

3. Oakleaf Hydrangea (Hydrangea quercifolia)

Alice oakleaf hydrangea, a hydrangea type known for its oak-shaped leaves, blooming behind a stone wall

‘Alice’, a popular cultivar of the oakleaf hydrangea type, features large white panicles, deeply lobed leaves, and vibrant fall color. Image © Plant and Bloom Design Studio

Of all six hydrangea types, oakleaf earns its keep the hardest, offering four seasons of interest in a single shrub.

At a Glance

  • Zones: 5-9

  • Bloom Time: Late spring through summer

  • Sun: Full sun to partial shade

  • Size: 6-8 feet tall and wide; smaller and larger cultivars available

  • Flower Shape: Cone-shaped panicles

  • Blooms On: Old wood

A deciduous shrub with an upright, irregular shape, oakleaf hydrangea is native to the Southeastern United States. It’s also the easiest of all the hydrangea types to identify at a glance, thanks to its deeply lobed, oak-shaped leaves, which look unlike the foliage of any other hydrangea. The leaves turn rich shades of red, burgundy, and purple in fall, and once they drop, cinnamon-colored, exfoliating bark takes over as a striking winter feature.

Like panicle hydrangea, oakleaf hydrangea’s flower color isn’t affected by soil pH. There are many cultivars to choose from, with blooms in shades of white, cream, pink, rose, or green regardless of what’s happening in your soil. Growth is slow to moderate, and because it blooms on old wood, it needs only minimal pruning to maintain its shape.

Popular cultivars: ‘Ruby Slippers’, ‘Alice’, ‘Snow Queen’

Read the full oakleaf hydrangea care guide.

4. Mountain Hydrangea (Hydrangea serrata)

Tiny Tuff Stuff mountain hydrangea, a compact hydrangea type, planted along a home foundation

Tiny Tuff Stuff™, a compact mountain hydrangea cultivar, is a great pick for foundation plantings thanks to its small size and reliable flowers. Image courtesy of Proven Winners, provenwinners.com

Among all of the hydrangea types, mountain hydrangea is one of the most reliable bloomers and easiest to maintain. That makes it a nice contrast to the more temperamental bigleaf hydrangea.

At a Glance

  • Zones: 5-9

  • Bloom Time: Early to late summer

  • Sun: Partial shade

  • Size: 3-5 feet tall; some cultivars are smaller

  • Flower Shape: Flat lacecap, with tiny inner florets surrounded by larger outer petals

  • Blooms On: Old wood

A deciduous shrub with a compact, upright form, mountain hydrangea is native to Japan and Korea and is often mistaken for a smaller version of bigleaf hydrangea. The two are close relatives, and both produce flowers that shift color with soil pH: acidic soil produces blue blooms, while alkaline soil produces pink. The easiest way to tell them apart is by their leaves. Mountain hydrangea’s are narrower, more serrated, and duller than bigleaf’s broad, glossy foliage.

Side-by-side comparison of mountain hydrangea and bigleaf hydrangea lacecap flowers, showing leaf and bloom differences between these hydrangea types

Both hydrangea types bloom as lacecaps and look nearly identical, but the leaves are the tell. Image credits: © PFMphotostock via Canva.com (mountain) and © Stephanie D. Dudek via Canva.com (bigleaf)

Mountain hydrangea also holds up better through late frosts and doesn’t wilt as easily in heat. Give it partial shade and cool, consistently moist soil, and it needs very little pruning thanks to its naturally compact shape. It’s also notably pest and disease resistant, making it one of the lowest-maintenance hydrangea types on this list.

Popular cultivars: Bluebird, Tiny Tuff Stuff™

Explore our complete guide to mountain hydrangea care.

5. Smooth Hydrangea (Hydrangea arborescens)

Incrediball smooth hydrangea, a cold-hardy hydrangea type, planted in a front yard garden bed

Incrediball®, a smooth hydrangea cultivar bred for stronger stems, produces massive white blooms that hold up well even after rain. Image courtesy of Proven Winners, provenwinners.com

Smooth hydrangea is the most cold-hardy of all the hydrangea types on this list. It easily handles winters that would challenge many other hydrangeas.

At a Glance

  • Zones: 3-8

  • Bloom Time: Late spring through summer

  • Sun: Full sun to partial shade (at least 3 hours of direct sun keeps stems strongest)

  • Size: 3-6 feet tall and wide; smaller cultivars available

  • Flower Shape: Round, globe-shaped clusters

  • Blooms On: New wood

A deciduous shrub with a loose, upright, suckering habit, smooth hydrangea is native to Eastern North America and tends to spread into colonies over time. This growth habit can be a helpful clue when identifying it, especially when flowers aren’t present. Its round, globe-shaped blooms can be heavy enough to pull the stems down after a hard rain, particularly on the straight species. Newer cultivars like Incrediball® were bred with stronger stems to help prevent this problem.

Like the panicle and oakleaf hydrangea types, smooth hydrangea’s flower color isn’t affected by soil pH. Cultivars bloom in shades of white, green, or pink regardless of your soil. It’s also fast-growing and blooms reliably on new wood, so it tolerates a hard prune, even down to the ground, in late winter or early spring.

Popular cultivars: Annabelle, Incrediball®

Read more on growing and pruning smooth hydrangeas.

6. Climbing Hydrangea (Hydrangea anomala subsp. petiolaris)

Climbing hydrangea, a vine-growing hydrangea type, with white lacy flower clusters

Unlike the other five hydrangea types, climbing hydrangea grows as a vine. Image © FactoryTH via Canva.com

Climbing hydrangea stands apart from every other hydrangea type on this list in one obvious way: it's a vine, not a shrub.

At a Glance

  • Zones: 4-8

  • Bloom Time: Early to midsummer

  • Sun: Full sun to shade; afternoon shade recommended in warmer climates

  • Size: 50-80 feet long, climbing by aerial roots

  • Flower Shape: Flat, lacy clusters with tiny inner flowers surrounded by larger outer florets

  • Blooms On: Old wood

A vigorous, deciduous vine, climbing hydrangea is native to Japan and Korea and clings to walls, fences, and trellises using aerial roots, with no additional support required. It grows slowly for the first couple of years while its roots become established, then takes off rapidly. Mature vines can eventually reach 50 to 80 feet, with lateral stems extending up to 3 feet from the structure they’re climbing.

Its lightly fragrant, flat-topped blooms aren’t affected by soil pH, and like oakleaf hydrangea, its peeling, cinnamon-colored bark adds winter interest once the leaves drop. Climbing hydrangea is sometimes confused with Japanese hydrangea vine (Schizophragma hydrangeoides), a similar-looking but botanically distinct climber. If you’re trying to identify which hydrangea type you have and it grows as a vine, it’s worth checking both.

Popular cultivars: The species itself remains the most common choice, though a handful of cultivars, including Miranda, Silver Lining, Cordifolia, and Semiola, are also available.

Where I Plant Each Hydrangea Type (And Why)

After years of designing with all six hydrangea types, I've learned that where you plant one matters just as much as which type you choose. Here's how I use each one in real landscapes, and why.

Bigleaf hydrangea is my go-to for the front of the house, where its cheerful flowers work beautifully in foundation plantings or as a specimen near a patio or entryway. Of all the hydrangea types, it’s also one of my favorites for woodland settings, where dappled shade provides the protection it needs from hot afternoon sun. I tend to avoid planting it in out-of-the-way side yards, though. Bigleaf hydrangeas wilt quickly when they’re thirsty, so I like to put them somewhere they’ll be seen regularly, where that telltale droop won’t go unnoticed.

Panicle hydrangea is one of my favorites for foundations, hedges, fence lines, and property borders, especially in sunny spots where other hydrangea types struggle with the heat. I particularly love using it in landscapes around new builds, where the yard is often bare and in need of some life. Panicle hydrangeas grow quickly and put on an impressive show, bringing color and impact to the yard while the rest of the landscape fills in. It's so satisfying to watch a bare new build start to feel like a finished garden.

Oakleaf hydrangea is one of the most versatile hydrangea types to work with. In my designs, I use it for mass plantings, along partly shaded side yards, and to fill awkward corners in backyards or woodland gardens. The larger varieties also make a striking specimen if you have the space. Their tall, full growth makes a beautiful natural backdrop for a garden bench.

Mountain hydrangea is one I often recommend when a bigleaf hydrangea has struggled to bloom, a common problem here in the Mid-Atlantic. Of the six hydrangea types, it’s one of my favorites for spots with partial shade and consistent moisture. Smaller cultivars work especially well at the front of the house, along walkways, or mass planted anywhere there's a cool, moist, shady area to fill.

Smooth hydrangea’s white blooms make it one of my favorite hydrangea types for brick homes, since they won’t clash with orange-toned brick the way some pink or purple hydrangeas can. I especially like using it at the front of the house, paired with boxwood and lavender for an elegant, spare, sophisticated look. Mass planted, it also works beautifully to soften a fence line.

Climbing hydrangea is my answer for covering an ugly shed, a bare brick or concrete wall, or a pergola that needs some life. It’s the slowest starter of all the hydrangea types and may spend its first couple of seasons getting established. Once it takes off, though, it’s absolutely worth the wait.

No matter which hydrangea type you choose, putting it in the right place from the start will give you a healthier plant, better blooms, and a lot less frustration down the road.

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Mathilda Gutges Bigleaf Hydrangea

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