This month’s installment of Sustainable Saturdays, the West Philly local food series, will take place this Saturday, August 20, from 9:00 a.m. to 3:30 p.m. The theme is “From Seed to Compost” and features workshops on composting, mushroom growing, homebrewing, seed bomb building and more.

Here are some details:

9 a.m. – Composting Workshop | Woodlands Community Garden (Woodlands Cemetery, 4000 Woodlands Avenue )

Learn about how to reduce the amount of material that you send to the landfill, while creating compost for your garden in just a few months. 25 free composting bins will be raffled off to participants.

10:30 a.m. – Make Your Own Worm Composting Bin Workshop | USciences’ Rosenberger Hall (43rd Street between Regent Square and Woodland Avenue)

Learn about compost worms, keeping a worm composting bin, and using worm castings (aka worm poop) in your garden. By the end of this class you will have built your own worm composting bin and be ready to use it in your home. Worms will be available at the event for $20/lb. When registering, please indicate if you plan to take a worm bin home and purchase worms. RSVP at http://wormcompostingbin.eventbrite.com

Noon – Growing Mushrooms | USciences’ Rosenberger Hall (43rd Street between Regent Square and Woodland Avenue)

Learn about low tech do-it-yourself methods of growing edible mushrooms which are particularly well suited for tight urban spaces.

2 p.m. – Homebrewing 101 + Mead and Soda Fermentation Workshop | USciences’ Rosenberger Hall (43rd Street between Regent Square and Woodland Avenue)

Learn all aspects of making your own beer, mead (a fermented honey drink), and fermented soda from start to finish. Also brewing, kegging, bottling, ingredients and equipment.

3:30 p.m. – How to Build a Seed Bomb | USP Lower Mill Creek Garden (43rd Street between Chester Avenue and Regent Square)

This DIY Seed Bomb Workshop is presented by the staff of Bartram’s Garden. Made of clay, compost, and seeds, these pocket-sized concoctions can bring vegetative life to vacant lots and otherwise blank urban spaces. You’ll also learn more about the common weeds in our midst, and Bartram’s Gardeners will be on hand to answer your burning plant-related questions and dish out gardening advice.

The last Sustainable Saturday will take place September 17. Stay tuned for more information.