Amaryllis Bloom In The Spring, In April, The Winter And Flowering, To Promote Early Flowering Should Strengthen Management. Likes The Warm, Humid Climate, Growth Temperature Of 18 ~ 25C, Do Not Like The Heat, The Sun Should Not Be Too Strong, It Should Be Set Lower Greenhouse Conservation. Afraid Of Waterlogging. Winter Dormancy, Requiring Cold And Wet Climate, To 10 ~ 12C Is Appropriate, Not Less Than 5C. Hi Humus-rich, Well-drained Sandy Loam. As Winter Soil Moisture, Temperature Exceeds 25C, Vigorous Leaf Growth, Hamper Sleep, It Will Directly Affect The Normal Flowering The Following Year. Light But Also On The Growth And Flowering Hippeastrum Some Influence, Direct Long Summer To Avoid Glare, Sunny Winter Planting Needs. It Requires Loose Soil, Fertile Sandy Loam, PH 5.5 To 6.5, Avoid Stagnant Water.