Dollarweed Invasion in Garden: Remove and Pre-Emergent Treatment

Houston, TX gardener has invasive dollarweed under sago palm, among alyssum, ruellia, coreopsis, and monkey grass. Asks if it should be removed or kept as ground cover, and if it will strangle other plants.

Expert Advice

Dollarweed is very invasive—remove it. Apply Preen (pre-emergent) and mulch to prevent regrowth and other weeds.