If you're growing the bulb on stones or in an amaryllis vase, keep the water level no higher than one inch below the base of the bulb. In general, cooler conditions slow down growth and blooming ...

Fertilize the plant every 4-6 weeks with a balanced, water-soluble fertilizer to support leaf growth and bulb strength. Place the amaryllis in a sunny spot indoors or outside in a partially shaded ...