Is summer the growth period or dormancy period of cactus?
1, native to South America, generally grows on hot, dry and fertile land. Desert areas where it seldom rains. It is dry and drought-tolerant, with strong vitality, and is deeply loved by everyone. The main growth period of cactus is summer, which is also its full flowering period.
2. Cactus has a long life and a large volume. Some varieties live for more than 500 years and grow into giant balls with a diameter of two or three meters. At the same time, cactus can be eaten.
3. Hairy cactus flowers are very small, usually yellow or red, and sometimes the diameter is only 1 cm (0.5 inch). But the flowers in the hairless cactus group are bigger, reaching 6 cm.
4. From the appearance, cactus can be divided into velvet, wart, treasure, hair column, strong thorn, sea urchin, top flower and so on. The prickles of cactus are also long, short, thin and dense; Mao Yan has red, yellow and gold.
5. Cactus flowers can be divided into edible cactus and ornamental cactus from the angle of eating or not. There are some differences between the two: the edible cactus has 12- 14 petals, which are straight and hard, but the ornamental cactus is inedible, with more or less petals, and the appearance is soft to light yellow, while the edible cactus is dark green and tastes like a whole cactus.
6. In order to avoid losing water during the day, cactus plants close their stomata and release oxygen produced by photosynthesis when the stomata are opened at night.
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Matters needing attention in watering cactus
1, when watering the cactus, be sure to pay attention to the water quality and keep the water clean. Moreover, tap water cannot be used directly, and it needs to be placed for 2 days before irrigation.
2. When watering the cactus, pay attention to watering in winter and choose the time when the temperature rises at noon. In summer, classes should be given in the early morning or evening.
3, watering the cactus, we must pay attention to the soil can not be too wet, and can not accumulate water, so the impact on the cactus is very great, and it is easy to cause the roots of plants to rot and die.
4. When the temperature drops in winter, the cactus will go into hibernation. During this period, the growth of cactus is very slow, the demand for water for plants is reduced, and excessive watering in winter is not conducive to the overwintering of plants. Therefore, as long as the soil is kept dry in winter, it is generally enough to water it once every half month.
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