Timing depends on local frost dates, weather and the particular plant or task. Mix moist green material such as vegetable peelings with dry brown material such as shredded cardboard. Keep the heap damp like a wrung-out sponge, aerate occasionally and avoid cooked food, meat and persistent weeds in an open heap. In colder areas, wait until conditions are suitable rather than relying on a calendar date alone.
GrowingTalk editorial guidance. Growing conditions vary; share details or photographs for more specific advice.
