The photos show the mature plant in the future, not the actual plant you will receive.
Plants for sale are between 4-16" tall.
Mix together the following: 50 percent potting soil; 20 percent peat moss; 20 percent orchid bark with charcoal; 10 percent shredded sphagnum moss and a handful of perlite. Place this mixture in a pots, beds or garden and plant your alocasia.
Strong growth will Soil Ph should be around 5.6-7.0 light conditions, When making a site selection keep your plant in an area that has bright indirect light, but not direct sunlight.
If using drip irrigation allow soil to dry slightly between waterings. Do not over water any members of the Colocasia family.