By Cakes
I met someone last week who told me her son had bought her some topsoil that deterred the growthof weeds. Does such a product exist and, if it does, where would I be able to purchase it please?
Many thanks
Cakes
28 Jun, 2015
Answers
Unless the topsoil has a herbicide mixed into it. I know they sell decorative mulch with a herbicide that is effective for a year and is lethal for anything growing in the garden as the warning on the bag says. I don't know why anyone would use this stuff.
28 Jun, 2015
Sounds like a misplaced belief or misunderstanding to me too - it may be that the topsoil has been sterilised, which means it contains no viable weed seeds or pathogens at all when purchased - but, as Buddlejagarden says, that won't stop weed seeds blowing in and germinating over time.
28 Jun, 2015
I wonder if the lady misunderstood what topsoil is - perhaps her son had bought her some bark mulch?
29 Jun, 2015
Of course it doesn't exist!
Weeds are from the same families as cultivated plants so how can fertile top-soil not also grow weeds?
Sterilised top-soil does not contain fertile weed seeds but that won't stop them blowing in and growing unimpeded.
28 Jun, 2015