A vibrant compost pile overflowing with rich, dark soil, surrounded by colorful vegetable scraps, lush green leaves, and delicate flowers, all illuminated by soft natural light

National Learn About Composting Day celebrates the practice of transforming organic waste into valuable soil-enriching material. Composting refers to the natural process where organic matter biologically breaks down into a soil-building substance, helping reduce waste while creating nutrient-rich fertilizer.

Quick Facts

When is it: May 29th annually
Tagged as: Environmental awareness day
Hashtag: #LearnAboutCompostingDay
Founded: 2011
Founder: Bob Matthews from Rochester, NY

History

The practice of composting dates back to ancient civilizations, with evidence suggesting it began around 12,000 years ago. George Washington earned recognition as “America’s First Composter,” instructing his farm workers to collect and process organic waste systematically. The day itself was established to promote awareness about composting’s environmental benefits and educate people about this sustainable practice.

Timeline

  • 10,000 BCE: Early civilizations practice composting
  • 1700s: George Washington promotes composting in America
  • 2011: National Learn About Composting Day established
  • Present: Growing global movement for sustainable waste management

Future Dates

YearMonthDateDay
2025May29Thursday
2026May29Friday
2027May29Saturday
2028May29Monday
2029May29Tuesday

How It’s Observed

People celebrate by starting their own compost piles, attending workshops, visiting farmers’ markets, and learning about different composting methods. Many communities organize special events and educational programs to promote composting awareness.

Fun Facts About Composting

  • The average person throws away nine times their body weight in waste annually
  • Composting can clean contaminated soil
  • The Australian Brush-turkey builds communal compost piles to incubate eggs
  • Compost heat can be used to warm greenhouses
  • The US Army has successfully composted TNT

Quiz

  1. Who is known as America’s First Composter?
  2. What percentage of household waste can be composted?
  3. What are the three key materials needed for composting?

(Answers: 1. George Washington, 2. About 30%, 3. Browns, Greens, and Water)

FAQs

  • What can be composted? Fruit/vegetable scraps, eggshells, coffee grounds, tea bags, yard waste, paper products
  • How long does composting take? Varies by method, from weeks to months
  • Do I need a large space? No, even apartment dwellers can compost using small-scale methods

Related Celebrations

  • Earth Day
  • World Environment Day
  • Zero Waste Week
  • International Composting Awareness Week
  • World Soil Day