Noxious weeds cost Australia billions of dollars each year in agricultural and environmental degradation. These weeds of national significance are among the worst.

This trend is all about swapping thirsty grass for drought-tolerant plants like lavender, ornamental grasses and creeping thyme. Picture a sun-drenched yard with soft, low-maintenance groundcovers ...

Think things like ironweed or native ornamental grasses like Big Bluestem or Indian grass that help hold it upright. Artemisia lactiflora produces thousands of tiny late-summer flowers that form ...