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Broadleaf Weeds - Vacant Lot - Dollarweed

BES-TEX Weed ID Guide · Broadleaf Weeds

Dollarweed

Also called Pennywort · Hydrocotyle spp.

Perennial Broadleaf

Common Name

Dollarweed, Pennywort

Latin Name

Hydrocotyle spp.

Family

Apiaceae

Life Cycle / Type

Perennial · Broadleaf

What Is It?

Dollarweed is a perennial broadleaf weed with round, coin-shaped leaves on long petioles. It spreads by rhizomes and seed and is most commonly found in poorly drained, overwatered, or low-lying areas of turf. This is a perennial weed. Pre-emergent herbicides do not control existing perennial weeds.

Dollarweed plant
Photo: hgic.clemson.edu.

Soil Temperature & Germination

Dollarweed growth increases during warm, wet conditions.

Above 65°F

Active growth and spread

Warm, moist soils

Increased pressure

Decision Question

Is the dollarweed visible above the soil right now?

YES

It is already established.

Post-Emergent Herbicide BMP

NO

It has not emerged.

Pre-Emergent Herbicide BMP

Why This Weed Comes Back

Excess irrigation or poor drainage

Compacted soil

Perennial rhizome spread

Learn the Basics

A healthy, thick lawn is the best defense against weeds.

Lawn Care 101 BMP
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