1、 Soil

Pinus koraiensis grows in loose, fertile and slightly acidic soil with good drainage. When breeding, you can use pastoral soil or rotten leaf soil, add some river sand and base fertilizer to prepare its soil

2、 Illumination

It is a semi positive plant and grows well in a semi shade environment, but it needs appropriate light during the growth period. Therefore, after indoor breeding for a period of time, you can move out and put it in the courtyard or balcony to restore its vitality as soon as possible

3、 Temperature

It likes warmth and has weak cold resistance. It is OK to keep the temperature at 17-25 ℃ in summer and spring and autumn. When the temperature is high in summer, it needs to be cooled appropriately to avoid wilting caused by water evaporation. It shall not be lower than 10 ℃ in winter to avoid freezing injury

4、 Watering

It likes a humid environment. It needs to be watered frequently during the growth period, but it can't accumulate water. If there is long-term ponding, it will black roots, yellow leaves, and even make a large number of leaves fall off, and the plant will die. In summer, water can be poured every morning or evening. In spring and autumn, water can be poured every 2-4 days. In winter, water should be reduced and watered every 7 days

5、 Fertilization

It likes fat, but it doesn't like thick fat. Mature organic liquid fertilizer can be used in the growing season. Topdressing shall be carried out every ten days and a half months. Water shall be poured the next day after fertilization, which is conducive to its absorption. In spring and autumn, apply 2-3 times of thin liquid fertilizer dominated by nitrogen fertilizer respectively, so that it will grow better