Common Grass Weeds

Common Grass Weeds: Identify, Target, Control

Grass weeds like Poa annua, Crowsfoot Grass and Summer Grass are some of the most persistent and disruptive invaders in managed turf environments. These grassy weeds blend in with desirable species but compete aggressively for light, water, and nutrients—often emerging quickly and spreading fast under favourable conditions. At Greenway Turf Solutions, we help turf managers accurately identify problem species and select the right herbicide solution, whether it's a pre-emergent to prevent germination or a post-emergent for active outbreaks. With tailored programs, strategic timing, and expert advice, we help you restore balance, protect turf uniformity, and stay ahead of invasive grasses before they take hold.

Crowsfoot Grass

Scientific Name: Eleusine indica

Crowsfoot grass, also known as goosegrass, is a fast-growing annual grassy weed that thrives in compacted and high-traffic turf areas.

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Kikuyu

Scientific Name: Cenchrus clandestinus

Kikuyu grass is a highly aggressive warm-season perennial that spreads through stolons and rhizomes. While used as a turfgrass in some regions.

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Mullumbimby Couch

Scientific Name: Cyperus brevifolius

Mullumbimby couch is a perennial sedge weed that spreads through rhizomes, forming dense mats in turf.

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Nutgrass

Scientific Name: Cyperus rotundus

Nutgrass, also known as purple nutsedge, is a persistent and invasive weed that spreads through underground tubers (nutlets).

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Onion Grass

Scientific Name: Romulea rosea

Onion grass, or Guildford grass, is a perennial weed with thin, wiry leaves and small purple flowers. It spreads through underground corms.

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Paspalum

Scientific Name: Paspalum dilatatum

Paspalum is a coarse, clumping perennial grass weed that thrives in poorly maintained turf. It has thick, broad leaves and produces sticky seed heads.

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Ryegrass

Scientific Name: Lolium spp.

Ryegrass is often used as a desirable turfgrass in cool climates but can become a weed when it invades warm-season sports fields.

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Summer Grass

Scientific Name: Digitaria spp.

Summer grass, including species such as crabgrass (Digitaria sanguinalis) and tropical fingergrass (Digitaria ciliaris).

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Winter Grass

Scientific Name: Poa annua

Winter grass is a problematic cool-season weed that invades sports turf during the colder months. It has a light green color, soft texture.

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African Love Grass

Scientific Name: Eragrostis curvula

African Love Grass is a highly invasive, drought-tolerant perennial grass that thrives in sandy and low-nutrient soils.

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Bahia Grass

Scientific Name: Paspalum notatum

Bahia Grass is a coarse, warm-season perennial grass that spreads through rhizomes and stolons. It has a distinctive V-shaped seed head.

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Barnyard Grass

Scientific Name: Echinocloa crus-galli spp.

Barnyard Grass is a fast-growing summer annual that thrives in wet and nutrient-rich soils. It lacks a ligule, making it easy to distinguish.

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Working with Brian and GTS has been invaluable for our growth. Their technical knowledge and support in herbicides for large industrial areas have saved us time and money. We can always get what we need, even urgently.

Andrew Leak Landscape Elements, Perth, WA | General

Since 2017, Paul Spencer and Paul Bevan have been consistently knowledgeable, honest, and reliable. They’re always available for product support and true to the GTS motto: right advice, right support, right products.

Daniel Stack Superintendent, Windaroo Lakes Golf Course, QLD | General

I’ve worked with John Hume and GTS for many years, and their product knowledge, honesty, and reliability are essential. I’d call it a partnership—I couldn’t produce a field like this without their support.

Leslie Pendreigh, Head Groundsman, St. Thomas More College, Brisbane Sunnybank, QLD | General

"I have a great relationship with GTS. GTS has been a fantastic support, as has my rep, Paul Bevan. Paul has years of knowledge and experience, having been in my position as a superintendent before, he understands my needs. His product knowledge is excellent, as is that of Paul Spencer, the head agronomist. They’ve always been there for me whenever I need advice or have an issue, providing quick and reliable support."

Luke Helm – Superintendent, Meadowbrook Golf Club, QLD | General

GTS is a great company to work with. Steve Jones and Rob Green have been fantastic support, always ready to help. From seed and fertiliser to every product I need, they are only a phone call away.

Grounds Manager, Optus Stadium, Perth, WA | General

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