South Coast Rec - Irvine, CA | Sunset Zone 22 ; USDA Zone 10a
Parthenocissus quinquefolia in October 2025 with healthy dense foliage turning reddish-purple before dropping in the Fall. Photo: N Lo
University of Arizona - Tucson, AZ | Sunset Zone 12 ; USDA Zone 9b
Parthenocissus quinquefolia in May 2025 receiving medium irrigation.
UC Davis - Davis, CA | Sunset Zone 14 ; USDA Zone 9a
Parthenocissus quinquefolia at UC Davis in June 2025. Photo: JA Sisneroz
Parthenocissus quinquefolia at UC Davis in July 2025. Photo: JA Sisneroz
Parthenocissus quinquefolia at UC Davis in August 2025. Photo: JA Sisneroz
Parthenocissus quinquefolia at UC Davis in September 2025. Photo: JA Sisneroz
University of Utah - Logan, UT | Sunset Zone 2b ; USDA Zone 6a
Parthenocissus quinquefolia at USU in October 2024, showing prominent red fall foliage. Photo: S. Burlakoti
Parthenocissus quinquefolia at USU in September 2025, showing dense canopy development growing on a vertical trellis.
A bee visiting the flowers of Parthenocissus quinquefolia at USU in October 2025. Photo: S. Burlakoti
University of Washington - Seattle, WA | Sunset Zone 5 ; USDA Zone 8b
Parthenocissus quinquefolia in October 2025 exhibiting a variety of fall colors. Photo: A Keyser-Gibson
Parthenocissus quinquefolia on the low irrigation treatment at UW in July 2025 displaying very vigorous canopy growth. Photo: A Keyser-Gibson