Hydrangea
Hydrangea spp.
Known hazard
Do not put this plant in a catio or anywhere a cat can reach it. The planner reports it as a blocker.
| Reported severity | moderate — our grouping of reported signs, not veterinary advice |
|---|---|
| Parts of concern | all parts |
| Habit | shrub |
| Light | part sun |
| Water | high |
| Smallest container | about 20 L (5 gal) |
| Outdoors year-round | USDA zones 3–9 |
| Safety reviewed | 2026-10-12 |
Sources
- Toxic and Non-Toxic Plant List — ASPCA Animal Poison Control Center: Toxic to Cats(listed as Hydrangea arborescens), checked 2026-10-12
Toxic-plant lists are not exhaustive. Report a correction.
Other plants with this status
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