Climbing hydrangea
Hydrangea barbara
Last reviewed: September 2026

Toxicity unknown
Climbing hydrangea (Hydrangea barbara) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part shade
Water
medium
Size
36"–72" H × 36"–60" W
Bloom
May, Jun, Jul
Native to
AL, AR, DE, FL and 8 more states
Pollinators
bees, butterflies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
A mounding shrub with broad, toothed leaves and rounded clusters of small white flowers ringed by larger sterile florets in early summer. It grows along shaded streambanks and woodland edges.
Wildlife value
The flower clusters attract native bees and butterflies, and the dense form offers cover for small birds.
Common questions
- How much sun does Climbing hydrangea need?
- Climbing hydrangea grows best in part shade conditions.
- When does Climbing hydrangea bloom?
- Climbing hydrangea blooms in May, June, and July.
- Where is Climbing hydrangea native?
- Climbing hydrangea (Hydrangea barbara) is native to AL, AR, DE, FL and 8 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Climbing hydrangea attract?
- Climbing hydrangea draws bees and butterflies.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Climbing hydrangea? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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