1. Choose the right potting soil. Nine lilies have a certain drought tolerance, but do not tolerate moisture, potting maintenance, potting soil should choose loose breathable soil. 2. fertilizer management. Nine lilies do not tolerate moisture, usually watering should be dry watering, not dry not watering, avoid waterlogged potting soil. When the weather is dry, or hot season, you can often spray water, increase humidity can also play a role in cooling. 3. light control. Nine lilies are positive flowers, ground planting, then, should be planted with a sunny and windy position.