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Broadleaf Weeds - St Augustine Lawn - Mallow

BES-TEX Weed ID Guide · Broadleaf Weeds

Mallow

Also called Common Mallow · Malva neglecta

Annual or perennial (behavior dependent) Broadleaf

Common Name

Mallow, Common Mallow

Latin Name

Malva neglecta

Family

Malvaceae

Life Cycle / Type

Annual or perennial (behavior dependent) · Broadleaf

What Is It?

Mallow is a low-growing broadleaf weed with round, scalloped leaves and a prostrate growth habit that can form dense mats. It spreads by seed and, when established, by a deep taproot, making it persistent in turf, landscapes, and disturbed soil. This weed can behave as both an annual and a perennial. Pre-emergent herbicides may reduce new seedlings but will not control existing plants.

Mallow plant
Photo: extension.umd.edu.

Soil Temperature & Germination

Mallow seeds germinate during cool soil conditions.

Below 55°F

Germination begins

Cool winter soils

Continued establishment

Decision Question

Is the mallow visible above the soil right now?

YES

It is already up.

Post-Emergent Herbicide BMP

NO

It has not emerged.

Pre-Emergent Herbicide BMP

Why This Weed Comes Back

Deep taproot allows regrowth

Missed fall or early spring prevention

Thin or stressed turf

Learn the Basics

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

Lawn Care 101 BMP
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