How to maintain potted camellias?

Basin soil

According to the growth characteristics of camellia, the slightly acidic (pH 5.5-6), fertile and well drained mixed soil should be selected as basin soil. Special attention should be paid to good drainage and avoid using calcareous soil. Alkaline soil or clayey soil will make the plant grow poorly, and even make the plant die.

Sunlight and temperature

Camellia likes a semi-shady environment, so the potted plants should be placed under the scaffolding in summer to avoid sunburn. Spray water around the ground several times a day to increase air humidity. Residents of high-rise buildings can move indoors or in hallways. The spring and autumn season is placed on the balcony and south-facing window to make it fully accept the sun. It can be kept indoors in winter. The indoor overwintering temperature is about 3 ℃ ~ 4 ℃, which can survive the winter safely and blossom normally. Flowering above 10 ℃ is good, and more than 16 ℃ will promote sprouting ahead of time, and serious cases will cause deciduous leaves and buds.

Fertilizer and water

Camellia does not like fertilizer (not resistant to fertilizer), there is no need to apply too much fertilizer, especially should not apply more thick fertilizer. A small amount of liquid fertilizer can be applied from April to May in spring; from September to November in autumn, appropriate topdressing is applied twice a month with 20% ~ 30% cooked soybean water or chicken and duck manure liquid; after November, liquid fertilizer can be increased (the concentration of liquid fertilizer can be increased to 40% ~ 50%). In order to promote the hypertrophy of buds; there is generally no fertilization from February to April. Fertilization should pay attention to the growth potential of the plant, the weak seedlings with poor growth should be applied less, and the concentration should be light. Stop watering before fertilization to make the basin soil dry and easy to absorb; do not splash the fertilizer on the stems and leaves to avoid macula on the leaves. If you have been stained with fat liquid, rinse it with clean water.

Camellia likes to be warm and humid and is watered every 2-3 days in spring and autumn. The temperature is high in summer and the water evaporates quickly. Generally, it is watered once every morning and evening. It also depends on the weather and the dry and wet condition of the basin soil. Watering should be suitable for dry and wet, dry and thorough. Too much will affect the normal growth of plants, and long-term too wet, will cause fallen leaves, rainy season to move the pot plants indoors in time, in order to avoid stagnant water. The use of water for irrigation has been mentioned before.

How to maintain potted camellias? Basin soil

According to the growth characteristics of camellia, the mixed soil with slightly acidic (PH value 5.5 / 6), fertile and good drainage should be selected as basin soil. Special attention should be paid to good drainage and avoid using calcareous soil. Alkaline soil or clayey soil will make the plant grow poorly, and even make the plant die.

Sunlight and temperature

Camellia like semi-shady environment, summer should be placed under the scaffolding to avoid sunburn: spray water around the ground several times a day to increase the air moderation. Residents of high-rise buildings can move indoors or in hallways. The spring and autumn season is placed on the balcony and south-facing window to make it fully accept the sun. It can be kept indoors in winter. The indoor overwintering temperature is about 3 ℃-4 ℃, which can safely survive the winter. and can blossom normally, flowering well above lO ℃, and sprouting ahead of time if it exceeds 16 ℃. In serious cases, it will cause fallen leaves and buds.

Fertilizer and water

Camellia does not like fertilizer (not resistant to fertilizer), there is no need to apply too much fertilizer, especially should not apply more thick fertilizer. A small amount of liquid fertilizer can be applied from April to May in spring, and from September to ll in autumn, appropriate topdressing is applied twice a month, 20%-30% rotten soybean water or chicken and duck manure bar liquid: after November, liquid fertilizer can be increased (the concentration of liquid fertilizer can be increased to 40% w / 50%) to promote the hypertrophy of buds. Generally do not apply fertilizer from February to April, pay attention to the growth potential of beads, and apply less to the weak seedlings with poor growth. the concentration should be light, stop watering before fertilization, make the basin soil dry and easy to absorb; do not splash fertilizer liquid on the stems and leaves when fertilizing, so as to avoid macula on the leaves. If you have been stained with fat liquid, rinse it with clean water.

Camellia likes to be warm and humid. It is watered every 3 days in spring and autumn. The summer temperature is high, the water evaporates quickly, generally every morning, the evening each watering, but also depends on the weather and basin soil dry and wet situation. Watering should be suitable for dry and wet, dry and thorough. Too dry will affect the normal growth of plants, and long-term too wet, will cause fallen leaves, rainy season to move the pot plants indoors in time, in order to avoid stagnant water.

Undeclared intensity pruning of camellias. Its flowers, leaves and buds take a long time to develop, and the crown is formed evenly. Basically no special pruning is needed. just cut off the disease and insect branches, overdense branches, weak branches and truncated long branches.

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Maintenance skills of potted Camellia

Camellia is very popular because of its colorful and wide variety. If you want camellia to blossom more, you should grasp the following three steps:

1. Nitrogen fertilizer promotes spring shoots: Camellia generally begins to germinate new shoots at 18 ℃. The shoot is produced twice a year, the first from mid-March to mid-late April, called "spring shoot", and the second from mid-late July to early September. Most of the flower buds of camellia are on the new shoots produced in spring. Therefore, raising the spring shoot is the key to whether the camellia can blossom well. When spring shoots begin to sprout, apply nitrogen-based sprouting fertilizer every 10 days until the spring shoots begin to Lignification. After so many times of root and extra-root topdressing, the spring shoot of camellia will grow very luxuriantly, and the leaves can be extended to the maximum extent.

2. Phosphorus and potassium promote buds: Camellia is full in spring, and after entering Lignification, there will be a short dormant period. The beginning of the dormancy period is the beginning of the flower bud differentiation stage of camellia. Do not apply nitrogen fertilizer again at this time, but should change to apply phosphorus, potash fertilizer, every 10 days or so. At the same time, foliar spraying was carried out with 1000 times potassium dihydrogen phosphate, a small amount of borax and rice vinegar. This can not only control the excessive growth of camellia, but also promote flower bud differentiation and shorten the time of flower bud differentiation, which is conducive to the formation of flower buds.

3. Thinning buds and protecting flowers: after the buds expand rapidly, the buds should be thinned once in the middle and late August. Generally, two buds can be left in one branch of the big seedlings, and only one bud in each branch of the seedlings, so that the buds of large and small flowers are clearly layered and evenly distributed, so as to prolong the viewing time of the flowers. After thinning buds, thin phosphate fertilizer can be applied several times in September and October, and pay attention to proper shading, especially to prevent the western sun. Watering to achieve "no dry, no watering, watering thoroughly", so that the pot soil has been maintained in the "dry and wet" state, in order to prevent bud shedding or scorching.

In addition, camellia is an acid-loving flower. In order to change the pH of potted soil, thin ferrous sulfate should be applied every 20 days during the growing period to keep leaves luxuriant and green, promote plants to be strong and colorful.