How Much Garden Mulch Do You Need for Your Backyard or Garden?
Most gardens need a 5–7cm layer of mulch. To calculate how much, you need, measure your garden bed in square metres and multiply by the depth in metres. For example, a 10m² area at 5cm depth requires around 0.5 cubic metres of mulch. When it comes to keeping your backyard or garden looking its best, few things make as much difference as the right layer of garden mulch. Whether you’re creating a thriving veggie patch, refreshing your flower beds, or simply trying to keep weeds at bay, mulch is a quiet workhorse that pays off all year round. But one of the most common questions for Australian gardeners is: how much mulch do you actually need? Why does mulch matter for Australian gardens? Mulch supplies aren’t just about tidying up garden beds. The right mulch does several jobs at once: it helps retain soil moisture, regulates temperature, suppresses weeds, and slowly adds organic matter back into your soil. In Sydney, where summers can be scorching and rainfall unpredi...