
Japanese Honeysuckle
Lonicera japonica
A vigorous woody vine or climber featuring opposite, oval green leaves and tubular, two-lipped flowers that typically open white and age to a yellowish color, accompanied by prominent protruding stamens.
- Light
- Full sun to partial shade, requiring at least 6 hours of direct sunlight daily for optimal flowering.
- Water
- Moderate watering needs. Water when the top few inches of soil become dry. Drought tolerant once fully established.
- Growth
- A perennial woody vine and aggressive climber capable of reaching lengths of 10 to 30 feet or more, with a rapid growth rate.
Care instructions
Provide full sun to partial shade, plant in well-draining soil, and water regularly until established to maintain vigorous growth and abundant flowering.
Growing details
Sunlight
Full sun to partial shade, requiring at least 6 hours of direct sunlight daily for optimal flowering.
Watering
Moderate watering needs. Water when the top few inches of soil become dry. Drought tolerant once fully established.
Soil
Adaptable to a wide range of well-draining soil types, including loam, clay, or sandy soils, with a preferred pH range between 6.0 and 7.5.
Hardiness zone
USDA Hardiness Zones 4 through 9.
Growth habit
A perennial woody vine and aggressive climber capable of reaching lengths of 10 to 30 feet or more, with a rapid growth rate.
Bloom season
Blooms from late spring through summer, producing tubular, highly fragrant white flowers that fade to yellow.
Propagation
Propagated easily via softwood cuttings taken in spring or summer, hardwood cuttings in winter, or by layering stems in contact with soil.
Common pests & issues
Generally resilient, but may occasionally be affected by aphids, powdery mildew, or leaf blight. Pruning helps control dense overgrowth and improves air circulation.
Similar species
Trumpet Honeysuckle (Lonicera sempervirens), which features brighter red or orange tubular flowers and leaves fused just below the stem tip, unlike the white-to-yellow fading flowers and separate leaves of Japanese honeysuckle.