Japanese honeysuckle

Lonicera japonica

Overview


Photo credit: JVM-https://www.projectnoah.org/spottings/6281203
Lonicera japonica - Japanese honeysuckle
Habitat:
  • Woodland edges, scrub, hedgerows and banks
  • Also found on wastelands

Description:
  • Semi-evergreen and perennial
  • A climber that can spread up to 10m
  • Leaves are arranged in pairs, are rounded and 3-8 cm long
  • Has white tubular shaped flowers which turn yellow over time
  • Flowers produce black, round fruits 4-8mm in size
  • Can reproduce sexually or vegetatively
  • Seeds can be spread by birds or other animals

Origin and Distribution:
  • Native to eastern Asia
  • Introduced to GB in 1937
  • This plant is also found in the USA, Australia, New Zealand, Europe and south America

Impacts:
  • Outcompetes native plants preventing natural succession
  • Can also change the bird population as the native plants disappear
  • Can kill trees by strangling them as they climb
  • Can interfere with hedges and telephone lines which then need to be replaced

Is it found in Northern Ireland?
  • It is found in Northern Ireland. Distribution maps can be found at BSBI

How did it get here?
  • Brought in for cultivation and as a medicinal plant
  • May have also been used to stabilise banks and provide nectar for pollinators

You can help by reporting any sightings: @ the Centre for Environmental Data & Recording (CEDaR) - Or via the iRecord App.
Prevent Spread
  • Promote native species and biodiversity - use alternative, native plants
  • Know what you are buying/growing and source native Irish seed and plants
  • Do not swap plants and cuttings
  • Follow control advice and watch out for hitchhikers - inspect new imported purchases for invasive pest and pathogens
  • Never collect plants from the wild
  • Safe disposal of plant material and growing media
  • Report all sightings.

Current Legislation Position (Northern Ireland only):
  • Lonicera japonica is listed in Schedule 9 of the Wildlife (Northern Ireland) Order 1985 and as such, under Article 15 it is an offence to plant or otherwise cause this species to grow in the wild.
For further queries, you can contact the Invasive Non Native Species (INNS) Team in the Northern Ireland Environment Agency on 028 9056 9558 or Email: invasivespecies@daera-ni.gov.uk
Invasive Species Northern Ireland

Invasive Species Northern Ireland