Is Bottlebrush safe for cats and dogs?
| Species | Verdict |
|---|---|
| Cats | Safe |
| Dogs | Safe |
Severity: Mild
Bottlebrush (Callistemon citrinus) is classified as non-toxic to dogs, cats, and horses by the ASPCA. There is no reported toxic principle for this shrub, and pets that nibble the leaves or the distinctive red, bristle-shaped flowers are not expected to show poisoning signs from the plant itself. One caution is worth noting: the common name "bottlebrush" is also used for bottlebrush buckeye (Aesculus parviflora), an unrelated and toxic plant. The ASPCA lists these as two separate entries, so pet owners should confirm the scientific name Callistemon before assuming a bottlebrush plant is safe.
Bottlebrush is also a mainstay of drought-tolerant landscaping in California. The University of California Statewide IPM Program notes that "once established bottlebrush requires little summer water," making it a popular low-water hedge, screen, or small specimen tree in yards across the state. It performs best in full sun with well-drained soil, though UC IPM cautions that plants "can be damaged at temperatures below 20 F," which limits its outdoor use to the state's milder climate zones.
Because bottlebrush is so widely planted in California yards, pets there are likely to have regular access to it, which is reassuring given its non-toxic status, as long as the plant is correctly identified as Callistemon rather than a buckeye species.
Facts and examples
- The UC Statewide IPM Program (UC IPM) states that once established, bottlebrush "requires little summer water," making it a popular low-water hedge, screen, or specimen tree in California, though it "can be damaged at temperatures below 20 F." (source, verified 2026-07-31)
Verdict re-verified against aspca.org, 2026-07-31 — confirmed unchanged. Source
This page is for general information only and is not veterinary advice, diagnosis, or treatment. If your pet is showing symptoms, or you think they ate or touched something dangerous, contact your veterinarian or a pet poison-control hotline immediately.
Last verified 2026-07-31