Pittwaters' 10 Worst Weeds
- Small Leaf Privet | Large Leaf Privet
Both the Privet tree and shrub can cause asthma attacks, allergic rhinitis and hay fever - and a single shrub produces more than 10,000
seeds a year ...
- Ochna
Extremely difficult to remove. With a copious supply of seeds from suburban gardens distributed by birds, Ochna has taken over in many
areas of bushland ...
- African Olive
The great invader - African Olives will grow almost anywhere and can be found in bushland and on dunes and headlands.
- Asthma Weed
This nasty weed can cause asthma, conjunctivitis, rhinitis, hay fever and skin rashes ...
- Ehrharta (Panic Grass)
Dominating the ground layer to the exclusion of every other plant at that level, prolific Ehrharta is a serious weed of gardens and bushland
...
- Morning Glory
Smothering trees and understorey vegetation alike, this invasive weed poses a huge threat to the bushland environment ...
- Madeira Vine
An aggressive climber, Madeira Vine can smother 40m trees, restricting light to the plants below and even breaking the tree it is climbing
on with its weight ...
- Asparagus Fern
Sprouting from seeds as well as tubers, Asparagus Fern spreads prolifically and stops other plants from growing - a true enemy of bushland
...
- Moth Vine
Its acidic sap causes severe discomfort if it gets in the eyes or mouth. A vigorous climber, it grows on and smothers other plants of any
height ...
- Trad (Wandering Jew)
Trad's sap can cause dermatitis in humans and dogs, and it spreads rapidly, smothering the ground and stopping all other plants from growing
...
Source: Pittwater Council
