ROCKWOOL STARTER TRAYS & CUBES
Start off your seeds or cuttings without any risk of disease from the substrate.
The cushioning nature of these little cubes enables even the most sensitive of seedlings to be moved without damage to the roots. Large starter cubes are 1½” square at the top. Small starter cubes are 1” square at the top. These are made to fi t the 3” and 4” cubes: the large holes are 1½” diameter and the small holes are 1” diameter.