BBG’s Guide to Composting

Left on its own, all organic matter will eventually break down through the action of hungry bacteria and fungi, as well as larger creatures such as worms, sow bugs, and centipedes. These decomposers consume decaying plant material and convert it into humus. Composting speeds up this natural process. In just a few months, you can potentially create a topsoil-like amendment that would have taken decades to form naturally. It can then be added to your soil to improve its structure—allowing air and water to enter easily and be retained.

NYC Compost Project

The NYC Compost Project hosted by Brooklyn Botanic Garden is part of a citywide program created by NYC Department of Sanitation’s Bureau of Waste Prevention, Reuse and Recycling that offers composting workshops and provides technical assistance to community gardens, schools, and other organizations.

For more information, contact or the Compost Hotline at 718‑623‑7290.

Learn About Composting

The average New York City household throws away two pounds of organic waste each day—vegetable cuttings, fruit peels, eggshells, coffee grounds, and yard trimmings that could instead be composted. When we discard organic waste, we not only lose precious landfill space but also miss out on a valuable resource that can help beautify parks, gardens, and lawns.

Additional Compost Resources

Home Compost Exhibit

During your visit to Brooklyn Botanic Garden, come see how to compost at the Home Composting Exhibit located near the Children's Garden. The display includes a variety of compost bins, material in different stages of decomposition, and signs to explain the process.

Community Workshops

Contact NYC Compost Project hosted by Brooklyn Botanic Garden staff at if you would like us to come to your Brooklyn community garden, neighborhood association, apartment building/board meeting, or civic group to present workshops for 10 persons or more.

Master Composter Certification

Compost enthusiasts and advocates have the opportunity each spring to take the Master Composter certificate course with the NYC Compost Project. This course requires 18–23 hours of classroom instruction, two field trips, plus 30 community service hours helping to advance on-site composting in NYC. Apply for the program online.

Equipment and Worms

The NYC Compost Project also offers compost bins at the reduced price of $65 and Compost Cranks at $42 to NYC residents. "Wormshop" participants will be able to purchase a Worm Condo, including a pound of worms, at cost for $44. See more worm suppliers.

Compost Hotline

For more information on the NYC Compost Project hosted by Brooklyn Botanic Garden, email or call the Compost Hotline at 718-623-7290.

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