happy plants are nice. happy plants are nice. happy plants are nice. Categories: All nursery pots substrates soils All / substrates coco coir from £3.45 perlite from £3.45 bark from £3.45 sphagnum moss from £3.45 charcoal from £3.45 flat moss from £3.45 worm castings from £3.45 diatomaceous earth from £3.45 clay balls from £3.45 horticultural kiln dried sand from £3.45 oyster shells from £3.45 vermiculite from £3.45 horticultural gravel grit from £3.45