Rosemary is a kind of vanilla, like cold and dry environment, flower pot is very important for its growth. The unglazed tile basin has the best air permeability, which can be considered emphatically. As for the size of the flowerpot, about 20 cm in diameter is enough. Too large, the amount of water is not easy to control, plus rosemary growth is slow, do not need too much growth space.
If soil is used, ordinary garden soil is enough. Before planting, add a small amount of fertilizer to the soil.
It's enough to apply fertilizer two or three times a year. Use the rotten organic fertilizer and put it in the soil at the edge of the flowerpot. It's OK to apply thin fertilizer frequently. You don't need too much fertilizer at a time. Specific according to the growth of plants, appropriate fertilization.
When watering, you need to water more in summer. Generally, when the temperature is high in summer, do not water at noon, once in the morning and once in the evening. In other seasons, water once a week generally. During the maintenance, water according to the situation of basin soil. If it is dry and white, it needs to be watered.
Rosemary is a relatively cold resistant plant. It can be put on the semi closed balcony in winter, and there is no problem about - 5 ℃. So it's not necessary to keep warm in winter. But the winter temperature in your area is below - 10 ℃. It is suggested to move it indoors. The temperature is high in summer, so it should be ventilated and cooled in time to promote its growth.
In fact, the watering of rosemary friends is based on experience. For the first time, rosemary lovers need to pay attention to the high temperature in summer. Although they need more watering, they can't use large amount of water. The plants are easy to wilt and slow down. In addition, if the perennial plants are not watered properly, this kind of situation will also occur.
After flowering, rosemary needs to apply sufficient fertilizer to promote its long-lasting flowering, but it is better not to use chemical fertilizer to avoid the phenomenon of seedling burning. Usually at home, you can also pour a little fermented rice washing water.
