Keep a simple collection system
Place a labelled bucket for suitable plant-based kitchen scraps where it can be emptied often. Outside, keep a separate space for dry leaves, straw and small woody material. Fresh grass clippings and green plant remains usually contain much more moisture than dry leaves or twigs. Collecting them separately makes it easier to adjust the mixture when you build the heap. Never mix plastics, treated timber or unknown chemical residues into ordinary garden compost.
Build the pile in thin layers
Blend wet, soft materials with coarser dry ingredients, rather than dumping a heavy mass of fresh grass in one place. Chop large stems or set them aside to decompose more slowly. Air spaces are important; a compressed, wet pile can smell sour or rotten. The material should generally feel moist, but not waterlogged. In a prolonged dry spell, add a little water and check the centre of the heap rather than only its surface.
Understand the limits of home composting
A domestic heap does not necessarily reach high enough temperatures for long enough to destroy all plant pathogens, troublesome weeds or seeds. Diseased material needs a case-by-case decision and should not automatically return to a vegetable bed. Food waste can attract animals if left uncovered. Follow your local waste collection and composting guidance for items that should not be placed in a home heap.
Check progress instead of guessing
Record when new ingredients were added and whether the centre is excessively wet or dry. Turning can restore airflow when the heap has compacted, but frequent complete rebuilding is not always needed. Well-rotted compost is crumbly and earth-smelling; recognisable hard twigs can be screened out and added again. Compare your records over the season to decide whether you need more dry structural material.
Continue with the seasonal calendar or browse the plant directory before adapting the steps to local conditions.