Fresh blooms in a subtle shade of creamy lemon yellow with delicate green centres make a delightful addition to any home admired for their large showy blooms amaryllis plants are a firm favourite for the windowsill or conservatory amaryllis 39lemon star39 produces its long45lasting blooms on long pedicels so each large flower has room to open fully and show off its beautiful shape native to central and south america hippeastrum plants require a minimum temperature of 13c 4055