Native to (or naturalized in) Oregon:
- Evergreen to deciduous high climbing woody vine, may trail to 80 ft (24 m). Leaves simple, opposite, ovate to elliptic to oblong, to 8 cm long and 3 cm wide, dark green, young leaves are pubescent above and below, tip acute to obtuse, base usually rounded, margin entire, and petiole to 8 mm. Flowers are white but soon becoming pink and later yellow, fragrant, 5 stamens and one pistil. Fruit nearly spherical, to 7 mm, green, then red and ripening to blue-black.
- Sun or partial shade.
- Hardy to USDA Zone 4. Native to Japan, Korea, Manchuria and China.
- Note: Considered a weedy and invasive species. It has naturalized in much of the southeastern US and is the most pervasive invasive plant throughout southern forests. Several eastern and mid-west states list Japanese Honeysuckle as an invasive treat to natural areas; in some states its sale is prohibited.