Poison-ivy
Toxicodendron radicans
Last reviewed: June 2026
Poison-ivy (Toxicodendron radicans) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part sun
Water
medium
Size
12"–120" H × 24"–240" W
Bloom
May, Jun, Jul
Native to
AL, AR, AZ, CT and 42 more states
Pollinators
bees, beetles, flies
Browse plants for this ecoregion
Poison ivy is a native climbing or trailing vine that produces clusters of small greenish flowers followed by white berries. This highly allergenic plant causes severe skin reactions in most people and spreads aggressively through underground roots and bird-dispersed seeds.
In an HOA neighborhood
Poison-ivy takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
- Causes severe allergic reactions in most people
- Considered a noxious weed requiring removal
- Liability concern for neighborhoods
Wildlife value
Host plant for sphinx moths.
The flowers attract bees, beetles, and flies, while the berries provide food for over 60 bird species. Despite its wildlife benefits, the extreme human health risks make it unsuitable for residential landscapes.
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.
Does Poison-ivy fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.