Red Valerian

Family:
Valerianaceae
Origin:
Mediterranean

General description

Perennial herb < 80 cm tall. Leaves are blue/green, variable and < 17 x 5 cm. Flowers are pink/red/white and borne in November – June. Fruit is < 4 mm long.

What you need to know

To help protect our environment, from 1 September 2021, you:

  • will not be allowed to breed, distribute, release or sell red valerian within the Auckland region.
  • will not be allowed to plant red valerian within the Auckland region, unless you are transferring an existing plant on your land to another location within the boundaries of the same property.
  • must destroy any red valerian on land that you occupy if it has been planted in breach of the above rules and you are directed to do so by an authorised person.

Coastal habitats, cliffs, shingle beaches, volcanic rock, rock walls, roadsides, wasteland.

Seeds dispersed by wind.

Displaces native vegetation. May compete with threatened short stature plant species.

Site Management

Follow up treated areas 3 times per year. Encourage natural regeneration of native plants or replant treated areas where possible after 2-3 treatments to establish dense ground cover and minimise reinvasion.

Recommended approaches

Physical control

Method: Dig out

Plant parts requiring disposal: Seeds

Disposal options: Remove to greenwaste or landfill

Biocontrol

Biocontrol is currently not available for this species.

Community agrichemical control recommendations

No qualifications
Foliar spray in summer with 100ml glyphosate green per 10L of water

Certified Handler/Experienced agrichemical user
Foliar spray with 200ml glyphosate green per 10L and 20ml penetrant

CAUTION: When using any herbicide or pesticide please read the label thoroughly to ensure that all instructions and safety requirements are followed.

RPMP status


Whole region (Sustained Control)
Hauraki Gulf Controlled Area Notice pest
Red valerian - Main species image