Rhus radicans
Poison Ivy
Anacardiaceae
ExpandHabitat
- native to a wide portion of the United States and Canada
- hardy to zone 4
- Special Note: This species contains in all its parts a skin irritant that causes a severe reaction in many individuals. For more information, .
Habit and Form
- a deciduous vine to short shrub
- vine covered in aerial roots
- generally found on tree trunks and any other structure
- 50' tall
- medium to coarse texture
- fast growth rate
Summer Foliage
- alternate leaf arrangement
- variable leaf morphology
- leaves are generally trifoliate
- lush green leaf color
- serrated leaf margins
Autumn Foliage
- brilliant red fall color
- very showy
Flowers
- not ornamentally important
Fruit
- white fruit found in clusters
- poisonous
- 0.25" in diameter
- wildlife eat fruit
Bark
- tan woody stems
- aerial roots help attach vine to structure
- vine tends to branch out at 90 degree angle from structure
Culture
- easily transplanted
- soil adaptable
- suckers
- full sun to partial shade
Landscape Use
- massing
- woods edge
- naturalistic areas
- bank covers
Liabilities
- Verticillium Wilt
- aphids, scales, rusts and mites
- poisonous
- do not burn
ID Features
- trifoliate leaves
- aerial roots
- branches at 90 degrees
Propagation
- by seed
Cultivars/Varieties
'Variegata' - Collectors of variegated plants cultivate several variegated clones of this plant with white or creamy leaf markings. They are maintained chiefly as conversation pieces ... proof that every plant is appreciated by somebody.