Information about plants & gardens for Brisbane & Qld


Potting mixes

and growing media

While good-quality potting mixes should support a wide variety of plants, some groups of plants or certain applications (seed raising, cutting propagation) may benefit from more specialised mixes.

Where to buy potting mixes and growing media

Most general garden centres sell some potting mixes. Some variety stores and even supermarkets might even stock some, but take caution with cheap mixes.

Landscape supply yards might be a cheaper way to buy mix if you need it in large quantity, but again, be wary of the quality. You might wish to test a sample before risking large numbers of your valuable plants.

Many are available commercially from general garden centres. You can also try specialist nurseries, which are likely to stock mixes especially formulated for the plants they carry, or the components for making your own mixes.

For more information on mixes for certain plant types, check the relevant page. For example:
For other plants, check the List of Plants

More Online Information

Potting mixes Department of Agriculture Western Australia (PDF)
Growing Media Texas Greenhouse Management Handbook
Packaged Potting Media University of Connecticut
Growing Media & pH Texas Greenhouse Management Handbook
Water retention efficiency of potting mixes Nursery & Garden Industry Association, Australia (PDF)
Take a Hard Look at Water-Holding Compounds University of Hawaii at Manoa, USA
Hydrogels: Are They Safe? - January 14, 2009 Discusses polyacrylamide (PAM) hydrogels Arizona Cooperative Extension, Yavapai County information about perlite
Incorporating Zeolite into Soilless Container Media Reduces Nutrient Leaching in Ornamental Plant Production (scroll down the page to view the abstract of this research) University of Florida
Fertilisers for nursery potting mixes Department of Agriculture Western Australia (PDF)
Tip for Greenhouse Growers: Add Silicon Silicon deficiency could be a problem in soil-less media. USDA Agricultural Research service

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