Feral Olive


General description

Bushy tree or shrub <5m tall. Scaly, opposite leaves dark green above & silvery beneath, & either pointed or rounded at both ends. Small whitish flowers (Jul-Mar). Glossy green stone fruit ripen from a dark red to black.

Open coastal shrubland, modified areas near forest margins. Occasionally found around Auckland but an aggressive weed on Norfolk, Motuihe & Raoul Islands.

Seeds dispersed by birds.

Displaces coastal shrubs & trees.

Site management

Garden & hedge sources should be removed. Remove systematically to minimise reintroduction by birds. Avoid soil disturbance, replant bare sites where possible.

Recommended approaches

1.This species is included because it is one of the species to be researched in the 2007-2012 Auckland Regional Pest Management Strategy.
2. Pull or dig small plants.
3. Cut & squirt: make 1 cut per 100mm stem diameter & fill each cut with 1g metsulfuron (dissolved in approx 50ml water). All year round.
4. Cut & stump paint (5g metsulfuron/1L).
5. Spray all year round (5g metsulfuron/10L).

Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.

Search tags

RPMS status

Species to be researched (not a Pest Plant) - Whole Region
feral olive - Main species image