White-flower Rhododendron
Rhododendron albiflorum
Last reviewed: July 2026
White-flower Rhododendron is toxic to dogs and cats.
Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.
Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.
White-flower Rhododendron is listed as toxic to grazing livestock (cattle, sheep, and goats) at a severe level by the USDA PLANTS Database (opens in new tab). This is a livestock indicator and is separate from pet toxicity.
Light
part shade
Water
medium
Size
24"–60" H × 24"–48" W
Bloom
Jun, Jul
Native to
CO, ID, MT, OR and 1 more states
Pollinators
bees, hummingbirds
Browse plants for this ecoregion
White-flower rhododendron is a medium-sized evergreen shrub native to mountainous regions. It produces clusters of white flowers in early summer and maintains its foliage year-round. This species prefers partial shade and consistent moisture, making it well-suited for cooler microclimates.
In an HOA neighborhood
White-flower Rhododendron is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.
Works well in: front yard, foundation, mid zone.
Wildlife value
The white flowers attract native bees and occasionally hummingbirds during the June-July bloom period. As an evergreen shrub, it provides year-round shelter for small birds and wildlife.
Common questions
- How much sun does White-flower Rhododendron need?
- White-flower Rhododendron grows best in part shade conditions.
- When does White-flower Rhododendron bloom?
- White-flower Rhododendron blooms in June and July.
- Where is White-flower Rhododendron native?
- White-flower Rhododendron (Rhododendron albiflorum) is native to CO, ID, MT, OR and 1 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is White-flower Rhododendron toxic to dogs?
- Yes. White-flower Rhododendron is listed as toxic to dogs by the ASPCA Animal Poison Control Center (aspca.org). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
- Is White-flower Rhododendron toxic to cats?
- Yes. White-flower Rhododendron is listed as toxic to cats by the ASPCA Animal Poison Control Center (aspca.org). If your cat has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
- Is White-flower Rhododendron toxic to livestock?
- White-flower Rhododendron is listed as toxic to grazing livestock such as cattle, sheep, and goats (severe severity) by the USDA PLANTS Database. This is separate from pet (dog and cat) toxicity.
- What pollinators does White-flower Rhododendron attract?
- White-flower Rhododendron draws bees and hummingbirds.
- Is White-flower Rhododendron HOA-friendly?
- White-flower Rhododendron is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Pollinator Patch flags toxic plants like White-flower Rhododendron and shows pet-safe natives for your ecoregion instead.
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