The most uniform blocks available on the market. Precision cut grooves at the base promote
better drainage and are available in a large assortment of sizes and confi gurations. 1.5" A-OK
plugs fi t well into the hole sizes provided by the blocks, and can then be placed on top of a slab
to provide for a larger growing volume. Hugo, the second largest of the growing blocks, provides
enough growing volume to support larger plants, relieving the need for a slab.