Weeds & Weed Control

Our Munns Winter Grass Killer review covers the propyzamide label rate, which lawns it suits, timing, and why buyer reviews are so split.

Herbicide vs pesticide explained for Australian lawns: why a herbicide is a pesticide, how to diagnose the problem, read the label and pick the right class.

The best weed killer for lawns depends on your grass and your weed. Eight APVMA-registered picks with label rates, and which are safe on buffalo.

Key takeaway: Sour grass, more accurately oxalis or soursob, is mildly toxic to pets and people due to its oxalic acid content, but its sour taste generally discourages eating enough … Read more

Key takeaway: Neither paspalum nor summer grass (crabgrass) belongs in a lawn, so this isn’t a choice between them, it’s telling them apart so you treat the right one. Paspalum … Read more

Key takeaway: Winter grass (Poa annua) grows in light yellow-green clumps with no runners at all, a soft, boat-shaped leaf tip like the prow of a canoe, and pyramid-shaped seed … Read more

Key takeaway: Oxalis has heart-shaped leaflets with a light crease down the centre and small five-petalled yellow flowers, while clover has rounder leaflets, often with a pale chevron marking, and … Read more

Key takeaway: True clover has white or pink flowers. A trifoliate weed with yellow flowers is almost always one of three different plants: black medic, hop clover, or creeping oxalis. … Read more

Key takeaway: Cudweed is a soft, woolly grey-green rosette weed in the Gamochaeta group that spreads through autumn and winter before bolting upright in spring. A broadleaf herbicide combining clopyralid, … Read more

How long a weed killer takes depends entirely on what type it is, not how strong it smells or how much you used. Read more

Summer grass and crabgrass are the same weed under two different names, an annual grass that germinates as the soil warms and dies off with the first cold snap. Read more

“Oxalis” in an Australian garden is usually one of two different plants — creeping oxalis, a genuine lawn weed, and soursob, a different plant entirely. Read more

Nutgrass (Cyperus rotundus) is a sedge, not a true grass, and it keeps coming back because pulling the visible shoot leaves an underground chain of tubers behind. Read more

There’s no single day that suits every lawn job — pre-emergent, feeding and weed timing all shift with the seasons. Read more

There’s no selective herbicide that kills couch, kikuyu or buffalo while leaving another grass untouched — broadleaf herbicides only work on broadleaf weeds. Read more

Bindii and clover both move in when a lawn is thin, bare or under-fed, and both respond to the same two-part fix. Read more