How to make potted Bougainvillea bloom continuously

Bougainvillea, is an evergreen climbing shrub of Mirabilis, with branched stems, sharp thorns and arched drooping branches. Single leaves alternate, leaves ovoid, entire; densely pilose. Flowers are small and oftenThree clusters are born in three larger bracts. The bracts are bright red, purple or white, and they resemble flowers and leaves, so they are also called bougainvillea. They are mainly ornamental bractsFlowers.

Bougainvillea is native to Brazil. It enjoys a warm, humid, and sunny environment. It grows vigorously, resistant to pruning, has strong germination, and has a long flowering period. Flower stands, arches and other greening materials are often used in southern China; in the north of the Yangtze River Basin,It is an important potted flower and pile scenery material. How to maintain the potted Bougainvillea to flourish and bloom all the year round? According to the perennial cultivation experience, the summary is as follows:

1. Watering must be scientific

Watering should be scientific, that is, a combination of watering, water control, and heavy watering. Bougainvillea is cultivated in the greenhouse after the Ching Ming Festival. During the vegetative growth period, water once a day to ensure the normal growth of branches and leaves. 5 toIn June, according to different varieties, appropriate intermittent water control and flower promotion. The degree of water control is that the shoots droop and the leaves are slightly wilted. At this time, water can be sprayed on the leaves 1 to 2 times a day, and after 2 to 3 days, water is poured once.Repeat this 3 to 4 times to stop the growth of the top of the plant, concentrate nutrients, and promote the differentiation of flower buds. When the top of the shoot appears blush, water it thoroughly; when the new shoots have flower buds, water twice a day in the morning and evening.And spray water 1 to 2 times until flowering. After the flowering period, reduce the number of watering appropriately. Because after the continuous flowering period, the plant body consumes too much nutrients, and the leaves are mostly yellowed and fall off. If the water is too much, the soil will be too wet.Roots rot. In autumn and winter, they must be kept in a greenhouse. The water must be controlled for one month to facilitate the differentiation of flower buds and bloom during the Spring Festival. Afterwards, watering, see dry and wet.

2. Proper fertilization

Bougainvillea blooms more, the flowering period is long, the nutrient consumption is high, and the potting soil is limited, you must add fertilizer regularly. Apply enough base fertilizer when changing pots in spring, and apply 10 to 20 grams of decomposed cake fertilizer or chicken manure per pot according to the size of the potAfter leaving the greenhouse, apply quick-acting nitrogen fertilizer 1 to 2 times to enter the vigorous growth period, apply decomposed cake fertilizer every 7 days to accelerate the differentiation of flower buds. When flower buds appear in the leaf axils, apply more fertilizer, mainly phosphorus and potassium fertilizer, avoid nitrogen fertilizer, So as not to lengthen the plants and affect the flowering. From August to October, it is necessary to use a lot of fat water, replace the water with thin fertilizer, water the flowers with alum fertilizer or cake fertilizer, and apply a few more phosphate fertilizers.

Three, the sunlight should be strong, the sunshine should be long, and the temperature should be high

Bougainvillea likes light and requires sufficient light during the growth period, which is conducive to more flowers. Insufficient light will result in weak growth of new branches, dim leaf color, few flowers but not gorgeous. Bougainvillea can bloom at a continuous temperature above 20℃, and above 35℃It can still grow normally, and the overwintering temperature should not be lower than 7℃.

During maintenance in northern areas, there is no need to shade in summer. 10 to 12 hours of sunshine a day, strong sunlight, long sunshine time, good ventilation conditions, flowering period can reach 180 to 200 days. Among them, the purple bougainvillea can bloom until the Spring Festival and QingmingAfter the greenhouse is out of the festival, the "May 1" festival can be blossomed again.

Four, pruning should be reasonable

Bougainvillea is strong, sprouting, and very resistant to pruning. Reasonable pruning and shaping can also promote the blooming of its branches. Potted Bougainvillea is generally pruned twice a year, the first time before germination from March to AprilCombined with changing pots and pruning; the second pruning in late autumn when the bougainvillea enters the greenhouse.

Three principles should be mastered when pruning: short, heavy, and sparse. That is, short cut horizontal branches to promote the germination of more flowering female branches at the base to ensure blooming vigorously; re-pruning new long branches to prevent them from competing for fertilizer and water.Consume nutrients; remove dense branches, weak branches, and terminal branches. Each pruning should be moderate. Too heavy pruning will weaken the growth of the bougainvillea, delay the flowering period, reduce the number of flowering, and increase the growth period, reducing the ornamental effect.

5Pests and diseasesPrevention and treatment should be timely

Bougainvillea has fewer pests and diseases. In winter and spring, there are occasional scale insects and aphids, which can make the stems and leaves curl and affect photosynthesis. It can be sprayed 1500 to 2000 times of omethoate for prevention and control. Leaf spot can be 65% wettability of zincThe powder is sprayed at 600 times.

Six, loose soil must be diligent

Due to limited soil for potted bougainvillea and frequent watering, the soil is easy to harden and harden the root system and affect plant growth. Therefore, the soil should be loosened frequently during the growth period, and weeds should be removed in combination with the loose soil to avoid competing with the bougainvilleaWater, fight for fertilizer.

Potted Bougainvillea, as long as there is sufficient light, temperature, moisture, and fertilizer, plus reasonable pruning, timely prevention and control of pests and diseases, frequent soil loosening, and timely flower promotion, it can grow vigorously and bloom continuously throughout the year.