Watering and fertilizing:Astilbes prefer a more humid growth environment and have higher requirements for fertilizers. If they lack water and nutrients, it will affect their growth. During the growth period of a astilbe chinensis, it is necessary to keep the soil moist, but do not accumulate water; Fertilization should be applied according to the growth status of the plants, using some nitrogen fertilizer or compound fertilizer containing multiple elements, and attention should be paid to the nitrogen fertilizer content not being too high. To promote flowering, it is necessary to apply some phosphorus and potassium fertilizer before flowering.