Can lemon trees be grown indoors?

Lemon trees can be grown indoors, but if the cultivation method is incorrect, it is likely that the lemon tree will not bloom or bear fruit. Therefore, if you want to grow lemon trees, it is best to master professional growing methods and then choose the appropriate temperature for growing them, so that the lemon trees you grow can bear more fruits. Here are some things you need to pay attention to when planting lemon trees:

If potted lemon trees are not managed properly, they will often only bloom and not bear fruit or bear little fruit, or even not bloom at all. In order to make potted lemons bloom and bear fruit every year, scientific management must be carried out in terms of water, fertilizer, pruning and other aspects to achieve the goal of abundant fruit. How to care for lemon trees, the main steps are as follows:

[Reasonable pruning]: There are two reasons for pruning potted lemon trees. First, the pot is small and the soil is small, so the nutrients provided are limited and cannot meet the growth needs of the lemon tree, so pruning is necessary. Second, through shaping and pruning, the reasonable distribution of nutrients in the tree body can be adjusted, so that the limited nutrients are concentrated on the buds and leaves, forming more fruiting branches, so that the branches are full of flowers and fruits. Potted lemon trees must be pruned intensively before the spring shoots sprout. First, remove dead branches, diseased branches, overgrown branches, inward branches, crossed branches, and sprouting branches. For strong branches, prune lightly, leaving 4.5 full buds; for weak branches, prune hard, leaving 2.3 buds, to encourage each branch to grow more strong spring shoots. After the spring shoots have grown to full height, in order to control their excessive growth, they can be lightly pruned, cutting off 3 or 4 sections of the branches. The new shoots that grow later should be pinched off when they have 6 to 8 nodes, in order to induce more summer shoots.

[“Withhold water” before flowering]: To prevent excessive growth of summer shoots and to allow the tree to accumulate nutrients and promote the formation of flower buds, the potted lemon tree should be “withheld water” before the beginning of summer heat. The specific method is to gradually reduce the water supply to the potted lemon tree more than ten days before the Beginning of Autumn; stop watering for the first 5 days. The potting soil is exposed to the sun, a large amount of water evaporates, and the potting soil becomes dry; the roots lack water, resulting in water loss in the branches and leaves, and the leaves become shriveled and curled. To prevent the leaves from dehydrating, you can spray water on the leaves in the morning and evening. You can also spray a small amount of water on the soil in the pot to keep the lemon tree in a condition that is both dry but not dead. Instead, its axillary buds will grow larger and the color of the buds will turn from green to white. When most of the axillary buds turn from green to white, the "water withholding" to promote flowering will be successful. At this time, it is necessary to resume water supply to the potted lemon tree in time.

[Preserving flowers and fruits]: After the lemon tree blooms, in addition to applying a thin layer of fertilizer once a week, it is also necessary to thin out the flowers and fruits. Before the flowers bloom, some of the flower buds should be thinned out; after the flowers have faded and the fruits have set, some young fruits that are out of place should be thinned out. The purpose is to reduce the consumption of nutrients and concentrate the limited nutrients on the remaining flowers and fruits, so that the fruits can grow bigger and better. During the fruit growth period, if there is sufficient fertilizer and water and the nutritional condition of the plant is good, some branches will sprout new shoots. The growth of new shoots will inevitably divert some nutrients and affect the growth of the fruit. To preserve the fruit, new shoots should be removed in time. When the fruits turn yellow and ripe, stop fertilizing and reduce watering, keeping the soil moist but slightly dry. If you continue to apply too much fertilizer and water, the fruits will mature and fall early, shortening the viewing time.

[Reasonable fertilization]: Lemon trees like fertilizer, so you should apply more thin fertilizer on a regular basis. Apply decomposed liquid fertilizer once before the plant sprouts, and then apply liquid fertilizer mainly composed of nitrogen once every 7 to 10 days to promote the growth of more branches and leaves and spring shoots. After each pinching, fertilize in time to promote early aging of the branches. During the growth period of the lemon tree, you can sprinkle some cake fertilizer on the surface of the pot so that some fertilizer will seep into the soil every time you water it, thus enhancing its fertility. After autumn, reduce the application of fertilizer to avoid overnutrition of the plants, which will promote the growth of autumn shoots and compete with the fruits for nutrients and cause fruit drop.

[Repotting]: Potted lemon trees have very limited nutrient supply due to the small amount of soil in the pots. After many years, the soil fertility will be lacking and the lemon trees will become weaker year by year, with fewer flowers and fruits. In order to keep the lemon tree blooming and bearing fruit every year, it is necessary to repot it. The best time to repot the lemon tree is half a month before it sprouts. Before repotting, prepare a pot that is one size larger than the original one. Remove the lemon from the pot without breaking the mud ball. Scrape off 1.2 cm thick surface soil along the mud ball, cut off dead and rotten roots, and scrape off 1 cm thick soil at the bottom of the mud ball. Take out the tiles at the bottom of the original pot that are sunken into the soil. Cover the drainage holes of the new pot with tiles, first lay a 2.3 cm thick drainage layer, and then lay a 4.5 cm thick layer of nutrient-rich culture soil mixed with a small amount of superphosphate. Then put the lemon tree mud ball into the pot, fill it with culture soil around it to the mouth of the pot, compact the soil slightly, water it enough to help it take root, place it in a ventilated, semi-shaded place, and put it back to its original place after a week for daily management.

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