Sweet pea shrub
|Botanical Name||Polygala myrtifolia|
DescriptionAttractive much-branched shrub up to 2 m high. Leaves alternate, oval to 30 mm long. Flowers clustered in simple racemes at the ends of the branches. Flower pea-like and purple or veined purple, Jan-Dec.
Where is it found?Coastal fringes, occasionally shrubland. West coast cliffs near Karekare and Piha. Cliffs of Kawau Island.
Why is it a problem?Currently vigorously spreading along coastal cliff areas on west coast in Auckland. Displaces native coastal shrubs. Cliff communities are particularly at risk.
How does it spread?Garden escape. Spreads by seed.
How do I get rid of it?
Pull out by hand if plant numbers are few. Large plants can be cleared with a brushcutter.
(i) Spray with Tordon Gold or Tordon Brushkiller.
(ii) Glyphosate at 100 ml in 10 litres of water plus 20 ml of Penetrant.
Hand pull if possible.