Declare war on weeds.

Australian Doctor,  March, 2007  by Cundall, Peter

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GARDENING by Peter Cundall

IN cool and temperate districts the ultimate nightmare weed is oxalis. Known as wood sorrel or shamrock, it has innocent-looking, bright-green, clover-like leaves. Don't be fooled.

There are 800 oxalis species of which about a dozen are invasive weeds. They include a creeping, yellow-flowered form that infests lawns, and a mauve- or yellow-flowered bulbous species that thrives in cultivated soil.

Creeping oxalis is controlled by hard-raking infested lawn areas before mowing. These prostrate weeds are left sticking up and the mower slices them off ...

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