Write an engaging article about Denver’s Annual Mulch & Compost Giveaway, highlighting the event’s details and the benefits of mulch and compost in sustainable gardening. Include a section on how to prepare for the giveaway, offering readers tips on registering and what to bring. Discuss best practices for using mulch effectively in their gardens and provide a guide on creating a home composting system. Additionally, encourage community involvement by sharing local gardening initiatives and workshops. Conclude with a call to action, motivating readers to embrace these sustainable practices in their own gardening efforts.