The ‘Slab of Seed’ of Pure Vine Tomatoes is our original invention, handmade from a special blend of organically enriched super-soil and infused with the finest Heirloom seed sourced from expert farmers from around the world. The slab itself will hold water 3x longer than the soil it is planted in, is easy to space and plant and the added soil pro-biotics improve the growth of the plant and the taste of the harvest. This Slab of Seed will grow you two delicious heirloom* varieties of tomatoes –  Principe Borghese & Moneymaker (*Heirloom seed is the purest & oldest seed on earth – read below why I chose this delicious variety)