Composts Home / Compost, Fertilisers & Pest Control / Composts / SHL Professional Seed Sowing + Vermiculite 75ltr SHL Professional Seed Sowing + Vermiculite 75ltr SHL Professional Seed Sowing + Vermiculite 75ltr £14.10 Add to your Wish List Information A Professional quality modular seed growing medium Including peat-vermiculite propagation mix for professional seed sowing and rooting cuttings.