Grodan rockwool Grow Blocks feature grooves at the base to promote better drainage. Available in different sizes to suit all types of plants. Growing blocks are use for direct sowing or "blocking on" of Multiblock plants. Blocks can be placed in grow pots or on top of a slab to provide for a larger growing volume.

Starting July 1st 2010 Grodan requires us to show their Minimum Advertised Price on our website.You can view our lower selling price by placing the item into the shopping cart.