Sometimes regular potting mix just won't do! Orchid Mix from ferti-lome is a blend of sphagnum peat chunks, red fir bark, hardwood charcoal, and volcanic lava rock. This special mix keeps orchid roots from staying too wet, but still provides needed humidity. Exceptional drainage and solid footing for roots. This long-lasting mix is ideal for all of your favorite orchids. 4 dry qt. bag.