Poinsettia is a tropical flower native to South America, so it likes the sunshine. When it is cured, it should be placed in a place with sufficient sunlight. If the dark environment is harmful to its growth
Its soil requirement is very strict. It needs to be loose, organic matter, drainage and fertilizer retention. Maintenance can use peat or rotten leaf soil with a small amount of garden soil, fine sand, perlite and some rotten fertilizer to mix.
When curing, it must always be kept in a warm environment, and the temperature should not be lower than 15 ℃. If it is lower than that, yellow leaves and fallen leaves will appear, and its leaves will have blue spots at about 10 degrees.
In the maintenance of water to be sufficient, too dry or wet and dry changes in water will cause its leaves to curl, yellow, the bottom of the leaves will fall off and affect the viewing degree.
In order to make Poinsettia flowers open, it is necessary to go through a period of less than 12 hours of light for a long time, so as to stimulate flower bud differentiation and promote flowering.
In addition to the red spider during the maintenance of other insect pests less, diseases in the season when the early spraying of fungicides can prevent and control
