Lupins

Garden Problems

Lupins, including Russell lupins and blue lupins are garden flowers that have escaped and are now found wild in many parts of New Zealand.

Identify the problem
Lupins have attractive spikes of blue or multi coloured flowers. They can be seen on the roadsides of many parts of New Zealand.
Tree lupins can grow to 3 metres tall. They are not readily eaten by stock and can grow in pasture and paddocks. Some species of lupin can be toxic to stock. The yellow flowered tree lupin has a strong scent but it's blue cousin is not scented.
How to solve the problem
- Spray lupin with Weed Weapon Extra Strength concentrate with Dye & Stick, or with Weed Weapon Rapid Action ready to use.
- Alternatively cut down the tree lupin and immediately apply Weed Weapon Invade Gel to the cut stump.
Did you know?
- The pea like seed pods of tree lupin split explosively to disperse their seeds.
- Latin names: Tree lupin - Lupinu arboreus, Blue lupin - Lupinus angustifolius, Russel lupin -Lupinus polyphyllus.