Propagator lids, bases and trays are used to create or replace parts of a seed growing setup. The base holds the growing tray or inserts, while the clear lid helps retain warmth and humidity around seeds, cuttings and young plants during germination and early growth.
Yes, replacement lids and bases are useful if part of your propagator has become damaged, worn or misplaced. They can help extend the life of your existing propagation kit without needing to replace the full setup.
A seed tray is usually used to hold compost, seeds or tray inserts, while a propagator base supports the tray and lid as part of a complete growing setup. Some bases may also be used with gravel trays, inserts or other propagation accessories depending on the product.
A clear lid is useful for many seeds and cuttings because it helps keep the growing environment warm, humid and protected. This can support better germination and reduce the risk of seedlings drying out too quickly, especially in indoor or greenhouse growing spaces.