1、 How long

It is a perennial herb. During the maintenance period, it can live for a long time as given a suitable environment and proper methods, up to 20 or 30 years. During the growth period, bulbs will grow in the underground part, which can be removed after autumn and treated with heat preservation. Continue planting and maintenance in spring, so as to repeat the cycle

2、 Curing method

1. Soil: loose and fertile soil containing organic matter during maintenance can be mixed with rotten leaf soil and garden soil in a certain proportion. The planting ball should be refrigerated and placed in the sand during the winter. In this way, the seed ball will be bigger and bigger and grow better and better

2. Watering: it has certain requirements for water, not too little or too much. The amount of watering should change with the season. In summer, it is often replenished once every two days. Spring and autumn about once every three days, winter low temperature, watering once a week on the line

3. Fertilization: if you want to grow well, you can't leave fertilizer for bigger and more beautiful flowers. Generally, base fertilizer should be added when entering the soil, and fertilizer should also be applied before germination and flowering in spring. The fertilizer should be diluted liquid fertilizer with low concentration to avoid root burning

4. Light: it's not sensitive to light. It can be placed indoors or outdoors. It's best to put it outdoors to receive light during the day and move it indoors at low temperature