Identify and Control Weeds in Lawns and Gardens

Poa annua (annual bluegrass) seeds even when mowed short. How to identify it, when to apply a pre-emergent, and a season-by-season control plan.

Purslane is a tough summer weed and an edible green. Identify it, tell it from toxic spurge, control it in lawns and beds, and eat it safely.

Spurge can set seed five weeks after it sprouts. How to identify spotted and ground spurge and stop it in lawns, beds and paving cracks.

Chickweed seeds itself in about six weeks. How to identify it, hoe it before it flowers, mulch, use a stale seedbed and drip irrigation to clear vegetable beds.

How to identify oxalis and get rid of it in lawns and beds: the herbicides that work, pre-emergent timing, mulch depth and when to hand-weed.

How to identify creeping Charlie (ground ivy), which herbicides worked in university trials, when to spray, and why borax and vinegar fail.