WiseGardening Aims

Make Safe Garden Chemical Choices

risks-of-garden-chemical-products

To help make safe garden chemical choices, Sustainable Gardening Australia (SGA) has created WiseGardening, an Australia-first guide to risks and safety of garden chemical products to address garden pests and disease using publicly available, scientific information from university and government sources.

Sustainable Gardening Australia (SGA) is a not-for-profit, non-government organization with a strong interest (passion) for enabling gardeners to grow their own food, protect their health and that of the planet and all that is naturally on it.  It has charitable status under the federal government’s Register of Environmental Organisations and is registered with the Australian Charities and Not-for-Profit Commission (ACNC).

WiseGardening was initiated over 20 years ago as a collaboration between SGA, Burnley Horticultural College (now part of the University of Melbourne), the garden centre Bulleen Art and Garden and local government.

Since 2016, our SGA team has further developed and refined WiseGardening to make it freely available as part of our web presence.

Aims of Process to Help Make Safe Garden Chemical Choices

In developing WiseGardening SGA has aimed for:

Achievement of more international sustainable development goals through reducing some of the impacts that our society has on the planet. SGA promotes natural, non-chemical methods to prevent and treat pest, disease and weed problems as the first line of defence.  However, there are times when a chemical product is a necessary choice.

Compatibility with UN Sustainable Development Goals

Goal 3: Ensure healthy lives and promote well-being for all at all ages

Goal 12: Ensure sustainable consumption and production patterns

Goal 13: Take urgent action to combat climate change and its impacts

Goal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss.

Alerting users to product risks. As you might expect, since these products are termed pesticides and weedicides where the suffix “icide” means “kill”, many chemical products, as well as killing their targets, carry risks to users and other species on our amazing planet – even when they are used very carefully. Labels on these products, instructions for use and Safety Data Sheets provided by manufacturers may not be consulted in-store when products are purchased or when old products with obscured labels are used. 

Provision of easily accessible product comparison, which is evidence-based, about potential risks of chemical products and their ingredients or alternatives in one place.

Provision of information specific for Australian products. Similar guides are available for some areas overseas, such as Europe or the USA (www.growsmartgrowsafe.org) but these are not tailored for products and formulations used in Australia.

Transparency. We aim to augment the availability of information that manufacturers provide about their garden products. To this end, WiseGardening uses publicly available scientific information from many sources.

Accuracy. This means that assessments are systematic and based on robust scientific research from reputable sources. However, sometimes this information is unavailable due to commercial considerations and sometimes due to out-of-date or incomplete information. Where little or no information about a product or ingredient is available this is indicated in WiseGardening.

Independence and objectivity.  No preference for any products or for any manufacturer is given.

Comprehensiveness and inclusiveness.  We aim to include all chemical garden products available in Australia for non-agricultural use. Products available in other countries are not included since, elsewhere, they mostly differ in names and ingredients. We have also not restricted assessments to commercially manufactured products and have included alternative non-chemical approaches. If a product is missing it is not intentional; we aim to include all relevant products.  We have not considered home-made mixes of household chemicals since it is not possible to obtain any accurate information about ingredients used in these preparations.

Currency.  Assessment and ratings are routinely updated to determine if their ingredients, or other details in the product description, have changed. Information sources for ingredients are also frequently checked to ensure the latest publicly available scientific assessments are used. As products are often discontinued by manufacturers, we retain these products in our database so that assessments can be made of new products against discontinued products across product types. Sometimes, new products have the same name as a discontinued product but have a different composition.  We aim to ensure that assessments of current products are no older than 1 year.

Ease of Use.  The rating system should provide users with data that is accessible, able to allow comparison and easy to use. Data entry for WiseGardening has been structured so that assessment is performed automatically, drawing on ingredient information within SGA’s database.

Fostering productive change. We encourage the community and industry, through education, to engage with the change required to achieve a safer and more sustainable world.

WiseGardening does not:

  • Provide comment on product effectiveness in achieving its stated purpose, or
  • Endorse, or condemn any product, manufacturer, brand or supplier.

For full details of our methodology please see How we rate garden chemical products.

Choices to Protect You and the Planet

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Symbol Guide

Risks to Species

H = Human
A = Other Mammals
B = Bees
C = Worms
D = Birds
E = Fish
G = Other Aquatic Organisms
F = Frogs

Other Characteristics

M = Mobile in soil
P = Persistent
S = Carcinogen, Endocrine Disruptor or Genotoxic
Z = Poison S7
= No information available for identified ingredients
O = No assessible ingredients listed
! = Discontinued product
? = Under further investigation

Solid symbols = high risk
Open symbols = moderate risk
No symbol = no or low risk

Desirable Characteristics

W = Biological control
Y = Better Choices: WiseGardening options

How to use

WiseGardening gives star ratings to garden chemical products on a scale of 0 to 6 Stars where 6 stars are given to those with lowest risks.   Ratings are based on their risks to human health, bees, birds, frogs, pets, earthworms, fish, other aquatic species, soil mobility and persistence.

Data on products and ingredients used to create WiseGardening are the scientifically estimated and publicly reported risks to the health of humans and a range of other living organisms.  Also included are risks from important chemical properties.  For details of how ratings are derived see Our Assessment and Rating Process

Remember: these risks are very important if products are used unwisely.  Always use products strictly according to manufacturers’ instructions on labels and associated documentation.

Notes on Using WiseGardening

WiseGardening is sortable using the Search and Filter boxes.  The Search function can show information not visible on this page e.g. particular susceptible pests.  For some searches a full word such as “fungus” may not find many choices, but the beginning “fung” will show more because many entries might be for “fungicide”. Therefore, for some searches fewer letters may be more effective.

Note that the ingredient risks are based on pure ingredients so the risks are independent of the amount of ingredient in the product.

Some products with high star ratings still show some ingredient risks or other undesirable product characteristics. These products have received a high star rating because aspects of product packaging or being pre-mixed (i.e. not requiring dilution before use, or having robust packaging) reduce the likelihood of spills which could be harmful.

There are a few products which have ingredient risks about which there is conflicting international opinion.  Examples are those containing glyphosate, chlorpyrifos or dicamba.  Because we have only used data which is scientifically widely agreed on, these products may have achieved a higher star rating than some people might expect, especially if their containers and mode of delivery render the likelihood of inadvertent exposure unlikely.