University of Maryland Extension

Japanese honeysuckle

Back to Invasive Plant Photos and Information

Japanese honeysuckle*
Lonicera japonica

honeysuckle

 *invasive

Life cycle: deciduous woody vine in cold climates, semi-evergreen to evergreen in warmer areas
Growth habit: climbing or trailing woody vine; girdles young plants it entwines; leaves opposite, shape variable with entire margins mid-late season, but may be deeply lobed in early season

overgrown Japanese honeysuckle
Japanese honeysuckle overtaking a natural area
Photo: James R. Allison, Georgia Department of Natural Resources, Bugwood.org

Reproduction: seed; black berries in pairs; flowers fragrant, white to creamy, in pairs arising from leaf axils

Japanese maple fruit
Black berries
Photo: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org 

Conditions that favor growth: common weed in commercial nursery operations, can engulf small plants and saplings; it can displace native vegetation if not controlled
Cultural control:  remove vines early before they strangle desirable plants and take over native habitat; constant maintenance needed to eradicate established growth

Additional Information 

Section: 
Home and Garden Information Center
We embody the University's land-grant mission with a commitment to eliminate hunger, preserve our natural resources, improve quality of life, and empower the next generation through world-class education.
Maintained by the IET Department of the College of Agriculture and Natural Resources. © 2021. Web Accessibility

University programs, activities, and facilities are available to all without regard to race, color, sex, gender identity or expression, sexual orientation, marital status, age, national origin, political affiliation, physical or mental disability, religion, protected veteran status, genetic information, personal appearance, or any other legally protected class. If you need a reasonable accommodation to participate in any event or activity, please contact your local University of Maryland Extension Office.