Causes of rotten root and leaf wilting of peony flower:

Its original non external call is caused by problems often encountered in daily care, such as sun exposure, diseases and pests, and may be caused by hurting the root of peony

Precautions for peony cultivation:

Peony can grow in a cool and even dormant environment, but it can grow in a cool and even dormant environment at a temperature of 25 degrees; The best temperature for flowering is 17 to 20 degrees; In the early stage of flowering, peonies must be allowed to spend February to march at a temperature of 1 to 10 degrees before they can bloom normally; Its flowering period is from April to May

Soil: the most suitable soil for peony growth is sandy soil. The soil should have a certain thickness, good drainage and neutral soil

Watering: you can let the peony and soil dry, but you can't keep it in a wet state all the time. The roots of peony are particularly afraid of ponding. Don't water too much in daily watering. Water it twice in the early stage of peony growth, once before winter, and according to the soil before spring

Fertilization: the base fertilizer of peony is very important and must be applied fully; During daily maintenance, fertilizer should be applied at least three times a day. The first time is in the early flowering stage, the second time is within 15 days after flowering, and the third time is before winter. This fertilization will affect the flowering effect of the next year