Vermilion is widely cultivated all over the world because it looks like Clivia and has the reputation of "gentleman red". In addition to potted ornamental plants, it can also be combined with open field garden to form community landscape and add garden scenery, which is deeply loved by people. The following small series mainly introduces the cultivation methods and precautions of vermilion for you.
The culture method of potted red amaranth (basic knowledge): the best breeding time: it can be carried out in March to April when it is divided into bulbs, and it is generally carried out in July to August when the bulb method is used.
The best growing soil: vermilion planting soil requires loose and fertile sandy loam, pH between 5.5 and 6.5, avoid ponding, can be mixed with 2 parts of rotten manure soil, 6 parts of rotten leaf soil and 2 parts of sand soil.
Growth humidity requirements: vermilion like warm and humid climate, afraid of waterlogging. That is, the soil is slightly wet.
The best growth temperature: the red of the red is warm, not cold resistant. It should be cool in summer, and the temperature should be 18-22 ℃. In winter, the dormancy period should be cold and dry, and the temperature should not be lower than 5 ℃.
The best growth light: red, like the sun, can be the right amount of direct sunlight, not too long. It should be placed in front of the window with bright light, good ventilation and no direct sunlight.
Notes on planting and deep breeding of amaranth: spreading fertilizer: vermilion likes fertilizer. When the leaf length reaches 5-6 cm, top dressing is applied. Generally, decayed cake fertilizer water is applied once every half a month. After flowering, it is changed to apply once every 20 days, so as to increase bulb size and produce new bulbs.
Watering requirements: vermilion needs to keep the plant moist and water thoroughly. But avoid excessive water, poor drainage. General indoor air humidity can be.
Breeding points: vermilion can be propagated by sowing or separating small bulbs. When the seeds are mature, they can be sown, and germinate faster at 18 ℃ ~ 20 ℃. When transplanting seedlings, pay attention to prevent root damage. After secondary transplanting, the seedlings can be put into small pots. In winter of that year, they must spend winter in cold bed or low-temperature greenhouse, and in the spring of the next year, they can be planted in pots. In the third year, they can blossom. In general, the method of separating bulblets is usually used for propagation. The small bulbs around the female bulb are separated and cultured, and they can bloom in the next year.
Pruning tips: vermilion grows fast and leaves are long and dense. It is necessary to cut off the dead leaves, dead roots and diseases and insect pests at the same time by changing pots and soil, leaving vigorous leaves.
Pot soil replacement: after one or two years of planting, the red pot soil in Zhuding county is lack of fertilizer. In order to promote the growth and flowering of the new year, it should be replaced with new soil.
Pest control: in order to make it grow vigorously and blossom as soon as possible, pest control should be carried out. The anther should be sprayed once a month. The spraying should be carried out at 9:00 a.m. and 4:00 p.m. on sunny days. It is not suitable to spray in the hot sun at noon to prevent pesticide damage.
The experience of cultivation of red amaranth: 1. The temperature should be kept about 10 ℃ when the temperature is lower than 5 ℃. When the humidity is higher than 15 ℃, it will hinder its dormancy and affect the next year's flowering.
2. This phenomenon can not be solved by adjusting the temperature difference between day and night.
3. When the arrow is long and the flowers are large and many, a prop should be set up to protect it from slanting and lodging.
4. In order to avoid nutrient consumption in the plant, it is beneficial to sprout new flower arrow.
Vermilion breeding methods and precautions for you to introduce here, I hope to help you.