Weed Chart
Here is a list of broadleaf and grass weeds found in South Australian lawns and gardens. If you require further help or cannot find the weed troubling you, feel free to bring in a sample to Munns Instant Lawn and we will be happy to assist you.
With over 40 years of experience, we guarantee we can help you out.
You may also be interested to read other articles in our Lawn Care Help section or look at our Lawn Care Products.
Bindi Eye (Jo Jo)
Key Identifying Features
- Sparsely hairy leaves divided into numerous segments
- Small inconspicuous flowers and spine tipped burrs that are found in the leaf axils (junction of leaf and stem)
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Burr Medic
Key Identifying Features
- Prostrate spreading perennial weed
- The leaves are separated into 3 leaflets and the flowers are bright yellow
- Burr medic forms a burr after flowering which falls to the ground after maturing
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Cats Ear
Key Identifying Features
- Segmented flat, toothed leaves
- Long, stout tap root
- Yellow dandelion-like flowers that turn into white fluffy seeds
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Clover
Key Identifying Features
- Prostrate growing perennial with masses of flowers that sit well above the foliage
- The clover leaf is made up of three leaflets that may be marked with a darker crescent shape
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Crab Grass
Key Identifying Features
- Prostrate growing weed with broad flat leaves
- The leaves are flat with red stems
Control Methods
Spray with Paspalum Killer selective turf herbicide.
Creeping Oxalis
Key Identifying Features
- Highly invasive spreading weed with masses of small clover like leaves (either green or purple)
- Small yellow flower
Control Methods
Spray with Paul Munns B6 selective turf herbicide mixed with a wetter and spreader.
Cudweed
Key Identifying Features
- Large, flat, dark green leaves.
- Prostrate growth with tall flower spikes and small white flowers.
Control Methods
Spray with Paul Munns B6 selective turf herbicide
Dandelion
Key Identifying Features
- Perennial growing as a flat rosette of flat, dark green leaves from a long, deep tap roo
- Yellow flowers rise from the centre of the weed
Control Methods
Spray with Paul Munns B6 selective turf herbicide mixed with a wetter and spreader.
Dock
Key Identifying Features
- Can grow to nearly 1m high with a strong tap root
- Long leaves are dark green and flat.
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Kikuyu
Key Identifying Features
Highly invasive coarse bladed grass.
Control Methods
(Selective) Spray with Paspalum Killer selective turf herbicide.
Mouse Ear Chick Weed
Key Identifying Features
- Common garden weed with small, soft leaves
- Large root system forming a mat underground
- Tiny white flowers that produce a seed which drops to the ground when mature
Control Methods
Spray with Paul Munns B6 selective turf herbicide mixed with a wetter and spreader.
Nut Grass
Key Identifying Features
- Grows as a clump of bright green shiny leaves
- Its inflorescence consists of several spoke-like spikes of reddish-brown flowers
Control Methods
Spray with Paspalum Killer selective turf herbicide.
Onion Grass
Key Identifying Features
Has narrow, strap like, green or blue green leaves with cream flowers carried on clusters at the end of long stalks. Has a onion odour when crushed.
Control Methods
There is no selective control domestically available for onion weed. We suggest spotting it with glyphossate (ie roundup) but be careful not to contact surrounding grass.
Papsalum
Key Identifying Features
- Leaves that can grow more than 40cm long and flowers, covered in seeds, may be 50cm to 1m high
- Seeds are arranged in a straight spike which is sticky to touch
- Flourishes in spring and summer
Control Methods
Spray with Paspalum Killer selective turf herbicide.
Plantain
Key Identifying Features
- Strongly ribbed leaves that grow in a rosette which may be upright or spreading
- Flower is brown and white in appearance and can often rise up on 20-30cm stalks
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Rye Grass
Key Identifying Features
A dark coloured clumping grass that can occur in lawns.
Control Methods
Spray with Winter Grass Killer or propazamide.
Sour Sob
Key Identifying Features
- Perennial weed with a long white tap root attached to a bulb
- The leaves are divided into clover looking leaflets that are covered in black dots
- Sour sob flowers are bright yellow and grow above the foliage
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Thistle
Key Identifying Features
- Upright growing annual
- The stem clasping leaves are a soft green and the hollow stems exude a milky sap when broken
- Flowers are yellow and seeds formed after flowing are topped with fluffy hairs that aid in their dispersal
Control Methods
Spray with Paul Munns B6 selective turf herbicide.
Winter Grass
Key Identifying Features
- Tufty, soft, light green grass with masses of seeds occurring all over the weed
- Can spread at an alarming rate
Control Methods
Spray with Winter Grass Killer selective turf herbicide