2. It is not suitable to change the basin of Australian fir when it is warm and cold. When the room temperature is stable above 10 ℃, it can be considered to change the basin. Generally speaking, about two to three years for a basin, basin change process pay attention to drainage.
3. It's a plant that doesn't fear temperature, but it can't be exposed to the sun. Once it is exposed to the sun, its leaves will show old green and its color sensitivity will decrease. In August or so, we can apply fertilizer to Australian fir, and the most suitable fertilizer is nitrogen potassium compound fertilizer. Once the Australian fir lacks fertilizer, its branches and leaves will turn yellow. Should be a small number of times of watering, temperature is too high, when the climate is too dry, need to make up water in time, can also be planted near the ground for water spray.
4. If the Australian fir is placed in a dark room for a long time, it needs to be moved to the sun for irradiation at regular intervals. When the late autumn comes, the temperature will gradually decrease. We can gradually move the Australian fir to the outdoor, and feel the low temperature properly, which will help to improve the cold resistance of the Australian fir. But be careful not to let it frost.
5. When the temperature is lower than 5 ℃, the Australian fir is no longer suitable. At this time, it needs to be placed in a room with sufficient light to keep the soil not too wet. During this period, it is not allowed to fertilize the Australian fir. If the Australian fir is in the air-conditioned room or the heating room, it can spray its leaves properly.
When it comes to four seasons conservation, we have to mention the unique appearance characteristics of Australian fir. As an evergreen tree, it is usually less than 2 meters high and cultivated as a potted plant in its young stage. The crown of the tree is in the shape of a minaret, most of which are dark green, with cracks on the surface of the crown. Cones of Australian fir are generally round. Such morphological characteristics determine the characteristics of Australian fir, that is, it likes warm environment. Therefore, Australian fir is suitable for many kinds of soil, especially organic fertilizer mixed with sandy soil. Because of the specific growth environment, the possibility of pests is very small. When planted indoors, Australian fir may be attacked by scale insects. At this time, it can be used to kill and attack phosphorus.
