A wiry summer weed that thrives in acidic, under-fed lawns—especially centipede grass.

Dark green, wiry, almost woody-looking plant with three small oblong leaflets per stem. The leaf veins run parallel and cross the midvein, and the stems have tiny hairs pointing downward. Small pink-purple flowers pop up where the leaves meet the stem.
Often mistaken for: Clover or other small three-leaflet lawn weeds
Grows actively from June through September here in the Triangle. It's easiest to control while it's still young.
Shows up most in centipede lawns and other lawns with acidic, low-fertility soil.

A fast-spreading summer weed that forms thick mats in thin or bare lawn spots.

An upright summer spurge with reddish stems and milky sap that pops up in thin lawns, beds and sidewalk cracks.

An upright summer weed with toothed, diamond-shaped leaves and tiny flowers tucked in leafy cups. Common in NC lawns and beds.

A sneaky summer weed that looks like grass until it flowers, showing up after most pre-emergents wear off.