Broadleaf Weeds - Bermuda Lawn - Field Madder
BES-TEX Weed ID Guide · Broadleaf Weeds
Field Madder
Sherardia arvensis
Winter annual Broadleaf
Common Name
Field Madder
Latin Name
Sherardia arvensis
Family
Rubiaceae
Life Cycle / Type
Winter annual · Broadleaf
What Is It?
Field madder is a low-growing winter annual broadleaf weed with square stems and whorled, narrow leaves. It produces small pink to lavender flowers and forms dense mats that spread outward. It commonly appears in thin turf, compacted soils, and disturbed areas, especially in cool seasons.
Soil Temperature & Germination
Field madder germinates as soils cool in the fall.
Below 55°F
Germination begins
Cool winter soils
Continued establishment
Decision Question
Is the weed visible above the soil right now?
Why This Weed Comes Back
Missed fall pre-emergent timing
Compacted or disturbed soil
Thin or stressed turf
Learn the Basics
A healthy, thick lawn is the best defense against weeds.
