Forums DIY Gardeners – compost question Reply To: Gardeners – compost question May 9, 2018 at 10:31 am #234 nab 23 Posts Try to identify the weeds before you buy plants. If you have perennial weeds like ground elder you will need to eliminate them before investing in nice plants. Wild flowers will grow best on unmanured ground, with veg it depends on what you want to grow – courgettes and beans love rich soil.