Check the listing for details. Hazel Shell Mulch - Amendment Product - 1.5 CF - 25 lbs.. Condition: New. Listed at 45.99 USD. Hazel Shell Mulch is a renewable all natural product made from 100% half hazelnut shell. Hazel Shell Mulch is best used in potted plants, flower beds, gardens, & walkways. Spread a layer of Hazel Shell Mulch on top of your soil to create a decorative ground cover or amend the shell into your soil for aeration & drainage. Hazelnut shell holds moisture; keeping potted plants and flowerbeds moist throughout warm days. In addition, hazelnut shell keeps weeds to a minimum, compacts well and adds beautiful contrasting color against surround succulent plants. The shells will biodegrade within 5-7 years however to keep a vibrant amber color it is recommended a new layer is added seasonally. Hazel Shell Mulch is also used in aquatic grow mediums. Our product allows aeration for the roots to grow freely around the shell & flourish. (Contact us for international shipping pricing)