1. Look at color: color is the easiest way to distinguish the two. The yellow wood fragrance opens the yellow flower, but the white wood fragrance opens the white flower.
2. Smell: the fragrance of white woody is very strong after flowering, while the fragrance of yellow woody is not, but the cultivated white flower varieties also have light flavor.
3. Whether there are thorns or not: there are no thorns on the branches of Phellodendron odoratum, but there are thorns on the branches of Phellodendron odoratum. However, some of the cultured white flower varieties will also have no thorns, so they can not be 100% distinguished.
1. Soil: it likes loose and fertile soil. Garden soil can be selected as the main soil, mixed with a certain amount of rotten leaf soil, which can provide sufficient nutrients. Every year before winter to turn basin for soil.
2. Watering: the times of watering is related to the temperature. In autumn and winter, watering should not be much, just keep the soil moist. Once a day during the spring growth period, it is helpful for the growth of branches. Summer high temperature, in order to avoid plant dehydration, sooner or later to water 1 time.
3. Fertilization: when planting and changing soil, the base fertilizer should be applied, and the slow-release fertilizer should be selected. Apply liquid fertilizer every half a month to promote the growth of leaves. Pay attention to stop fertilizing in the flowering period to avoid the fertilizer burning the roots.