The heavyweight mix has a high percentage of bark and has been specifically formulated for outdoor containers and large interior pots. It is also excellent for the production of perennials, roses and nursery containers.
Ingredient: Perlite
Metro-Mix® 830
A versatile middleweight formula, Metro-Mix® 830 is our most popular bark based mix for expert growers. It is fit for a wide variety of crop plants grown in many container sizes from cell flats to larger pots.
Sun Gro® Perlite
Used to improve the drainage and aeration of growing media, Sunshine Perlite is a porous, lightweight,
expanded volcanic rock. Its high porosity makes it a good aggregate in potting and germination mixes.