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Information about plants & gardens for Brisbane & Qld |
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Potting mixesand growing mediaWhile 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 mediaMost 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 InformationPotting mixes Department of Agriculture Western Australia (PDF)
HortFACT - Soilless Media in Horticulture HortNET, New Zealand
Growing Media for Container Production in a Greenhouse or Nursery Part I (Components and Mixes) University of Arkansas (PDF)
Growing Media Texas Greenhouse Management Handbook
Greenhouse and Nursery Growing Substrates University of Arkansas
Soilless Substrate Management For Nursery Crops University of Kentucky
Packaged Potting Media University of Connecticut
Potting Media and Plant Propagation Penn State University
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
Super-absorbent water crystals - are they really so "super?" Washington State University (PDF)
Hydrogels: Are They Safe? - January 14, 2009 Discusses polyacrylamide (PAM) hydrogels Arizona Cooperative Extension, Yavapai County
Coir is sustainable alternative to peat moss in the garden Oregon State University
A Comparison of Physical Properties of Double Processed Pine Bark to Other Selected Propagation Substrates nd Their Effects on Rooting Response of Three Ornamentals North Carolina State University (PDF)
www.perlite.info 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
See also: Soils and soil ammendments, Plant nutrition
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