Ladbrooke Soil Blocker - 4" Blocker (1 Block)In Europe, free standing blocks of soil, rather than peat pots or seed flats, are almost universally used for starting vegetable and flower seeds. No containers are needed. To make the soil blocks, just fill a blocker with thoroughly moistened potting mix (Quickroot Soilless Potting Mix is perfect), set the blocker on a seed flat, and release. With one stroke youll create multiple soil blocks, each with a small depression in the top for the seed. When