Quote:
Originally Posted by colin11
Hello
To grow great herbs, a rich soil is crucial for success. Do not use garden soil. It may contain microbes or insect larvae that will hatch once it warms up inside a cozy home. Instead, opt for bags of potting soil purchased at the garden center. This soil is sterilized so that it contains pure soil and other ingredients, but no harmful insects or microbes. Most commercial potting mixes include a porous material such as vermiculite, the tiny white pebble-looking things in the mix. These allow water to drain freely. Many also contain fertilizers to boost plant health.
Thanks for reading
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If your going for richer soil I recommend looking at
www.takesumi.co.uk. I found it really useful restoring depleted soil that was under a shed we have removed.
As for your decision it really depends on the depth of your pockets. If you can afford premium topsoil that's probably going to be better but bulk bought soil will, of course, be just fine. Then you'll have more to spend on whatever you plant! It's also important to remember that microbes are an important part of soil too, so I don't necessarily buy into the sterile idea.