White Jasmine

Jasminum polyanthum

Family: Oleaceae

Type of weed:

Flowering Months: , ,

Description

A vigorous fast-growing evergreen twining climber with tough wiry stems. Older stems are thick and tough.

White Jasmine has compound leaves with five to seven leaflets.

Clusters of highly scented white tubular flowers, (pink in bud) look star-like when open. It flowers in spring.

Alert: The flowers can cause allergies in some people.

Don’t confuse with…

Jasmine can be confused with native Wonga Wonga Vine (Pandorea pandorana) before the plant develops the distinctive lobed leaves and before it flowers.

Dispersal

The plant spreads by layering and suckering. Jasmine is a popular plant in gardens and has spread from plantings and in dumped garden waste.

Impact on bushland

Jasmine climbs rapidly into the tree canopy and covers vegetation at all levels, blocking light and restricting the growth and regeneration of native species. Its weight may bring down branches. It is a serious weed of rainforests and riparian areas.

Distribution

, . More abundant in the Lower Mountains.

Alternative planting

Native plants

  • Twining Purple Pea (Hardenbergia violacea)
  • Wonga Wonga Vine (Pandorea pandorana)
  • Water Vine (Cissus antarctica)
  • Old Man’s Beard (Clematis aristata)

Note: not Clematis cultivars; these can also be environmental weeds.

Council provides a tool, on its Mountain Landscapes website, to help you choose native alternative plantings. Choose your village, soil, vegetation community and the purpose of your planting, and the tool will give you suggestions.

There are native nurseries in several Blue Mountains villages, including Glenbrook, Lawson and Katoomba. Please also ask at your favourite local nursery.

Control

Stems travel long distances across the ground, frequently rooting down at leaf nodes (layering) to form new plants. Jasmine is therefore difficult to control and follow-up treatment is required.

Vines climbing up trees:

  • Scrape each stem and paint with herbicide.
  • If the vine has grown up into the canopy of a tree or shrub, cut each of the vine stems about 500 mm above the ground, after scraping and painting above and below the planned cut, to allow the parts in the tree canopy to die. It is important to keep the cut low to allow adequate length of the stems to be reached for re-treatment.

Vines growing as a groundcover:

  • Hand pull, making sure all root and stem parts are removed. All material needs to be securely rafted to ensure it will not take root and regrow.
  • Spray where the foliage is dense and low and there are no native plants nearby, but not near watercourses.

For more info

For key points on these techniques: