P. Thelily, as this is popularly named, is very attractive, with yellow, or rose , some with striking blotches. It grows to about 18 in. but is a difficult plant, demanding a very warm soil. It is tulip-like in character and should be planted in autumn, 3 in. deep in a bed of mould and sand, placed in a sunny and built up above surrounding level to secure . Weather through winter by straw covering. After flowering in June-July store till October and then replant. Increase by offsets when the bulbs are lifted.