Lawn clippings (in the background) and garden waste, including alternanthera bettzickiana and a geranium, taking root on the Emerald Fringe, Victoria Parade North.

Singapore daisy and mother-in-law-tongues getting deeper into the Melaleuca Wetlands, Innes Street border.

Aloes, mother-in-law-tongues and other weeds in the Melaleuca Wetlands, Elizabeth Street border.

Creeping charlie, sometimes chosen by gardeners because it’s so easy to grow, now rampant in a section of the Emerald Fringe off Victoria Parade West.