Likes cold cool, sunny environment, requires loose fertile clay loam, avoid hot and humid and rainy, avoid continuous cropping. Morphological characteristics:Gray-green leaves, up to 60cm. Blade unearthed after 35-45 days, the flower stalk of grass withdrawn from the foliage, was a big round umbels spherical diameter up to 15cm or more; as many as one thousand flowers; pink. Flowering from May to July. Cultivation: Growing timely tillage watering, fertilize once every 2-3 weeks. April-May flowering stalk of grass pumping, not after flower seed, cut the stems to be concentrated nutrition for bulb growth. Bulbs in the case of poor drainage perishable, bulbs should be dug up to put indoor ventilated place. Pest control: a common bulb rot, can be 80% zinc Dyson WP 600 times spraying control.