Potting method of nandina domestica is suitable for slightly acidic soil, and can be prepared according to the ratio of 5 parts of sand, 4 parts of humus and manure 1 part.
Before planting, cover the drainage hole at the bottom of the basin with broken tiles, preferably with a layer of charcoal, which is beneficial to drainage and sterilization. Generally speaking, the roots of plants are covered with soil. If there is a broken, torn and blackened Nandina domestica, it is best to maintain it in a semi-cool, cool and humid place.
Under the strong light, the stem of Nandina domestica turns dark red. Where are the tender leaves? Burn? The leaves turn red; In a very cool place, slender stems and long leaves and loose plants are not conducive to ornamental value and fruit.
The suitable growth temperature of nandina domestica is about 20℃, the suitable flowering and fruiting temperature is 24~25℃, and it is generally not lower than 0℃ when it is moved into greenhouse in winter. Moved out of the house after Tomb-Sweeping Day the following year. Roots or extra roots should be cut off and plants should be planted in soil according to conventional methods. After watering, they should be kept in the shade. After about 15 days, you can see the sun.
Precautions for potted nandina domestica (1) Potted plants should be changed once a year in early spring. When changing pots, remove some old soil and roots, apply base fertilizer and fill in new culture soil (5 parts of sand, 4 parts of humus soil and 1 part of decomposed cake fertilizer powder should be mixed in seedling stage, and 2 parts of decomposed cake fertilizer powder can be added in growth stage).
(2) It should be cultivated in the well-ventilated flower shade in summer. When watering every day, spray water 1~2 times on the leaves and nearby ground; So as to improve the air humidity and reduce the temperature.
(3) Water and fertilizer should vary with time and growth period. Nandina domestica likes humidity, but is afraid of water accumulation. During the growth and development, the watering frequency should increase or decrease with the weather, and it should not be too much at a time. Generally, water once a day in spring and autumn and twice a day in summer to keep the soil moist.
(4)438+ 10 Move the potted plants indoors in the first half of June and put them in direct sunlight in the morning and evening to avoid freezing at room temperature. Spray branches and leaves with warm water once a week to keep them fresh.
(5) Trimming and shaping by changing pots, thinning dead branches and weak branches from the base to promote the germination of new branches. Generally, it is advisable to keep 4-5 branches.