Japanese Honeysuckle

Lonicera japonica

Caprifoliaceae · vine groundcover · introduced

Last updated April 25, 2026

Quick Facts

Height

80 ft

Spread

16 ft

Growth Rate

Fast

Light

Part Shade

Soil

Wet Tolerant

Water

Moderate

Hardiness

Zone Zones 4a–8b

Bloom Time

Apr 1-Apr 30

Fall Color

Brown, purple

Origin

Japan, Korea

Spring Emergence / Primary Infection

AphidModerate

Spring Colonization

Stage	Typical Window	What to Look For
New growth flush BBCH 11	Feb 15-Mar 15	Lighter-colored new growth visible at branch tips
Bloom start BBCH 61	Apr 1-Apr 30	First open flowers visible; flowers white
Bloom end / petal fall BBCH 69	Apr 15-May 15	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Jun 1-Aug 31	Fruit or seed structures forming; fruit color: black

Data Maturity

Structured Multiple sources. Expert review underway.