Compare growing media for indoor gardens: soil, coco coir, rockwool, perlite, clay pebbles, and peat. Learn which medium matches your growing style.
Soil: easiest for beginners, buffered pH, slower growth. Top picks: Fox Farm Ocean Forest, Happy Frog. Coco coir: fast growth, more control, needs Cal-Mag. Top picks: Botanicare ReadyGro, Mother Earth Coco. Rockwool: precise hydroponic control.
Top picks: Grodan cubes/slabs. Perlite: drainage amendment for soil/coco (add 20-30%). Clay pebbles (hydroton): DWC/ebb-flow systems. Pro-Mix: peat-based soilless, commercial standard.
Coco offers faster growth and more control (like hydro) with the forgiveness of soil. It is pH neutral, reusable, and drains well. Soil is simpler for beginners and has natural buffer capacity. Choose coco if you want speed and control; choose soil if you want simplicity.
Yes. Unbuffered coco holds calcium and magnesium, starving your plants. Always use pre-buffered coco or buffer it yourself with cal-mag solution before planting. Most quality brands (Canna, Mother Earth) come pre-buffered.
Clay pebbles (hydroton/LECA) in net pots. They provide excellent drainage, support root structure, are reusable, and do not decompose or compact over time.