Amaryllis is a genus of two species of flowering bulbs – Amaryllis belladonna and Amaryllis paradisicola. The flower color is usually some shade of pink and sometimes even white. They produce fragrant, trumpet-shaped flowers on top of tall stems. These plants are attractive to butterflies, birds and bees and lovely as cut flowers. Amaryllis has stem that can reach 30 - 90 cm (1-3 ft) in height and each flower is 6-11 cm (2-4 inches) in diameter. Amaryllis grows best in well drained and slightly acidic soil.