Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Search native plant database:
Marcus, Joseph A.
Toxicodendron radicans (L.) Kuntze
Eastern poison ivy, Poison ivy, Poison oak
Synonyms: Rhus toxicodendron
USDA Symbol: TORA2
USDA Native Status: Native to U.S.
Upright, climbing, or trailing shrub that bears small yellowish-white flower clusters; old stems, covered with fibrous roots, look hairy. Poison Ivy is extremely variable in form, occurring as a ground cover along roadsides, an erect shrub (especially in sandy coastal areas), or a large vine on trees. Red fall foliage is especially conspicuous.
Bloom InformationBloom Color: White , Green , Brown
Bloom Time: Apr , May , Jun
AL , AR , AZ , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NE , NH , NJ , NY , OH , OK , PA , RI , SC , SD , TN , TX , VA , VT , WI , WV Canada: AB
, QC Native Distribution:
Throughout the East; Ontario east to Nova Scotia, south to Florida, west to Texas, and north to South Dakota and Minnesota. Native Habitat:
Dry to Moist areas
Woodland to Streambed USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Part Shade , Shade
Conditions Comments: Beautiful Orange to Deep Red Fall Color
POISONOUS PARTS: All parts, in all seasons if plant sap
contacted. Severe skin irritation upon contact. Symptoms include severe skin redness, itching, swelling, and blisters following direct or indirect contact. Toxic Principle: Urushiol. Interesting Foliage:
Butterflies Deer Resistant:
Mr. Smarty Plants says
Removal of bramble under live oaks and replacing with groundcover
September 26, 2007
We have several large live oaks on the front of our 12 acre property in Hockley, Texas. Under and around each oak is an extensive amount of bramble which we would like to remove so that we can enjoy ...
view the full question and answer
Herbarium Specimen(s)NPSOT 0320
Collected May 22, 1987 in Bexar County by Harry Cliffe
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species page
Record Modified: 2007-01-01
Research By: NPC