The RHS collection offers countless options for the garden. This washed and graded coarse granular sand is ideal for adding to composts for root cuttings and propagating cuttings, greenhouse benches, breaking up clay soils and top dressing lawns. Adding to composts, ponds and aquatic planting, drainage in pots and tubs, alpines and rock gardens, improving drainage of heavy soils Washed granite angular grit
- Adding Horticultural Grit to your compost prevents the soil from sticking together allowing excess water to freely drain away.
- Mix one part loam to one part Horticultural Grit and one part leafmould or coir is an ideal planting mix for a rock garden.
- Ideal for covering pots or trays of sewn seeds with a fine sprinkling of grit will prevent them from drying out as they germinate.
- Please ensure you take extra care when lifting heavy products.