TL;DR
Cloning and seedling media (plugs, cubes, and pellets) hold moisture and air around young roots, helping seeds germinate evenly and cuttings root faster with less stress.
New to indoor growing? Read our Hydroponics Explained guide to understand how lighting, humidity, airflow, and feeding work together in propagation.
Cloning and seedling media are small starter plugs or cubes designed for early root development. They keep the root zone evenly moist while still allowing oxygen to reach new roots — ideal for seeds, clones, and early transplants.
Peat plugs/pellets (Jiffy): easy germination and simple transplanting
Coco plugs/pellets: great balance of moisture + air
Rockwool / propagation cubes: consistent and reliable for cloning
Pick based on your method and routine:
If you want easy and low-mess, use plugs/pellets
If you want maximum consistency, use cubes/trays
Match cube/plug size to your cutting thickness and tray/propagator
Below you’ll find plugs, cubes, pyramids, trays, and starter media from trusted brands to suit any propagation setup.