Hippeastrum is a genus of about 90 species and over 600 hybrids. They are flowering bulbs from the tropical and subtropical regions of America.
Though Hippeastrum is commonly called Amaryllis, the scientific name of Amaryllis refers to a southern African genus of bulbs.
It is very easy to grow: warm in summer, cool and dry in winter, and will flower year after year.
Tropical and sub-tropical America
Partial shade but more light after flowering, till half of autumn.
Water moderately after you potted a new bulb, till leaves are sprouting. Then let the soil dry out slightly between waterings. When in full growth, during summer, keep the soil moist. Then stop watering when the bulb enters dormancy in autumn.
Ordinary commercial soil with a drainage layer at the bottom of the pot.
Liquid fertilizer every 2 weeks during growing season, nothing during dormancy.
Winter: between 1 and 10 °C.
Summer: tolerates warm temperatures.
When flowering, keep the temperature below 17 °C once to prolong the flowering.
Yearly, early spring (February)
By taking cloves that are formed at the bottom of the bulb, when they are about 3-4 cm in diameter. It will take a few years for the plant to flower.