How to grow kale indoors<br>Fill seed trays with a soil-less growing medium. Purchase seeds trays for germination with drainage holes on the bottom. Fill each seed container in the tray with 3-4 inches of soil-less growing mix.
Seed tray are expensive but necessary for the growth of green plants.
( z1 contrast :ARG1 ( z2 expensive :domain ( z3 tray :mod ( z4 seed ) ) ) :ARG2 ( z5 need :ARG1 z3 :purpose ( z6 grow :ARG1 ( z7 plant :ARG1-of ( z8 green ) ) ) ) )