What are the differences between organic and inorganic mulch? | Gardening 101 | Gardening Australia
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 Published On Feb 26, 2024

Clarence looks at the main differences between organic and inorganic mulch. Subscribe 🔔 http://ab.co/GA-subscribe
Organic mulch is generally plant materials, such as chopped sugar cane, eucalyptus, pine bark, pea straw or lucerne hay. These will all invigorate the soil as they break down and become part of the soil, releasing nutrients as they do; they help suppress weeds and will also retain and absorb moisture around the plants in your garden.

Inorganic mulch is often used by landscapers and the most common materials are blue metal, river stone or pebbles. These will also work as weed suppressants but, as with organic mulch, weeds will eventually work their way in. But of course the rocks won’t break down (in our lifetimes!).

They will help retain moisture in the soil but they also absorb heat, especially blue metal, so they will increase the temperature of the soil, adding stress to some plants. For heat-loving plants, such as cacti and succulents, this can be a welcome feature.

Stone can also be decorative used on indoor plants.

So what to use?
That’s up to you.
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