Weeds Pests Diseases
everything for lawn care all in one place
providing dependable & original lawn tips since 2008
The Lawn Guide
Oxalis
Oxalis

How To Kill Oxalis | Soursob | Wood Sorrel

There are many varieties of Oxalis, known by common names such as: Soursob, Purple Oxalis, Wood Sorrel, Creeping Oxalis, and more names.


Ornamental Oxalis

With over 800 known varieties of Oxalis, and over 30 of those in Australia, not all are weeds, and some may even be beautiful ornamental plants. For the purposes of this articles we'll concentrate on those varieties of Oxalis which are of the greatest concern as weeds.


Oxalis or Clover

Oxalis is often mistaken for Clover, while they both can have a similar appearance with trifoliate sectioned leaves, Oxalis can be easily distinguishable by having Heart Shaped Leaves compared to the Oval Shaped and Serrated Leaves of Clover.

Oxalis
Oxalis consuming a lawn

Invasiveness of Oxalis

All Oxalis weeds in Australia are considered highly aggressive, and should be eliminated completely from our lawns and gardens in order to be controlled. An infestation can occur in almost any environment.

Oxalis can have creeping stems that knit into the layers of the lawn and its roots, and sets down numerous corms, making Oxalis very difficult to hand-pull as a means of eradication.

The picture above illustrates Oxalis completely overtaking a Couch lawn. The aggressiveness of the Oxalis is highly increased due to poor lawn health. In this situation, the Couch lawn is exposed to too much shade to ever obtain optimum health. As a result, the Oxalis is free to aggressively spread and easily fight and win against a highly weakened lawn.


Oxalis Eradication

Oxalis is very difficult to remove, and may need 2-3 treatments over a period of weeks with a selective Oxalis herbicide when a lawn is infested.

When a garden bed or other non-lawn area is affected with Oxalis, the use of a non selective herbicide like Glyphosate is the best option to eliminate the Oxalis weed and its root system. Just be very careful with Glyphosate - as this non-selective herbicide will kill any lawn or plant it comes into contact with. Use Glyphosate carefully.

If Oxalis problems still persist, and the weed is proving difficult to eradicate, try switching herbicide brands and types, or consult a Professional and Licensed Weed Control Contractor. Oxalis is one tough weed, and hiring a professional weed spraying contractor may be the overall easiest, quickest and cheapest method to permanently remove Oxalis from our lawns.

Just realise though, that even with professional weed spraying or if the homeowner is spraying Oxalis themselves - that more than one treatment is likely necessary, and that we should expect to treat Oxalis again over the next couple of years until it is fully eradicated from our lawns.

Be sure not to forget to remove all traces of Oxalis from garden beds as well.





All content original and copyright
The Lawn Guide
Lawn Care Tips
you may also like one of
these lawn care articles...
General Lawn Care
IMAGE
Fertilisers are food for lawns The Role Of Lawn Fertilisers We see...
IMAGE
How To Kill A Lawn Killing and Removal Of Lawns While it may go...
IMAGE
Lawn care for Liriopes as a lawn alternative Liriope 'Isabella'...
Lawn Repair
IMAGE
An alternative method to aerate a lawn Lawn Coring Alternatives In...
IMAGE
Lawn Top Dressing Reasons For Top Dressing Lawns Top dressing lawns...
IMAGE
A specialist lawn coring machine The Lawn Coring and Aeration Process...
Lawn Watering
IMAGE
Watering too often Excessive Watering Of Lawns When we talk about...
IMAGE
Adjusting From Excessive Watering Reducing Excessive Water Usage We...
IMAGE
Correct retic sprinkler heights Lawn Sprinkler Heights Whether laying...
Lawn Mowing
IMAGE
Long periods between mowing shouldbe avoided to maintain good lawn...
IMAGE
Lawn mower maintenance Preparing For A New Lawn Mowing Season Spring...
IMAGE
28" MEY Commercial cylinder mower Cylinder Lawn Mowers Cylinder lawn...
Weeds | Pests | Diseases
IMAGE
Fairy Ring with Mushrooms How To Kill Fairy Rings Fairy Rings appear...
IMAGE
White Clover How To Kill White Clover White Clover is noticeable by...
IMAGE
Bindii | Onehunga | JoJo How To Kill Bindii Bindii is a low growing...
Lawn Varieties
IMAGE
Sir Walter soft leaf Buffalo Sir Walter Soft Leaf Buffalo Sir Walter...
IMAGE
Microscopic Photos of Buffalo Grass Amazing Photos of Buffalo Grass...
IMAGE
Couch Grass Characteristics of Couch Grass Couch Grass is by far one...
THE LAWN GUIDE ©


prevention and treatment of lawn weeds, lawn pests including army worm & sod webworm, & lawn diseases such as brown patch & spring dead spot
independent lawn care tips for australian lawns

Lawn Care Facts
Lawn Fact:
The short list of the most shade tolerant lawn varieties for homeowners:

1. Durban Grass
2. Soft Leaf Buffalo
3. Zoysia

Professional lawn care videos sharing quality lawn care tips in an easy video format - click to watch
preparing soils for new lawns video
meanings to the most common terms
used in lawn care practices in australia
Lawn Care Expert
Respected Australian turf and plant breeder Todd Layt shares expert lawn care advice with lawn lovers
LINK TO THE LAWN GUIDE
Grab this image and link to Australia's original & favourite source of quality lawn care tips
THE BUFFALO LAWN CARE SITE
Lawn care tips for Australia's favourite shade grass
Organic lawn care advice to create environmental benefit from our lawns
IMAGE
Natural control of lawn weeds Controlling Lawn Weeds Without Pesticides Weeds don't need to...
IMAGE
Top Organic Lawn Care Tips The goals of Organic Lawn Care are to naturally reduce the...
IMAGE
Reducing The Environmental Impact Of Lawns Despite new modern attacks against lawns, every...
A low maintenance and environmentally friendly lawn for all warmer regions
IMAGE
One Council park using common Kikuyu Time To Switch Our Parks To Zoysia We're going to take a...
IMAGE
Zoysia Seed, Sod or Plugs After deciding on Zoysia as a new lawn type for your home or...
IMAGE
Zoysia and Winter Are Not Good Friends The one single drawback which stops Zoysia being the...
Lawn care discussions and observations in a friendly blog format from The Lawn Guide
IMAGE
Where Do Lawns Come From We're all very accustomed to our lawns these days, they seem to be...
IMAGE
Understanding Couch Grass In Queensland Like so many other aspects of Australian life, prior...
IMAGE
Lawn Club is a new lawn care, lawn mowing, and gardening contractors business information...

Lawn Care Topics
the lawn guide ~ australia's leading source of quality lawn care information