Secret | Gardenia can grow as soon as 10 days in summer and the pot will be full of yellow leaves.

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It will soon enter June-the heyday of gardenia, but many gardenia raised by flower friends are still in yellow leaves and buds. Today Huahua will share with you how to solve the three keys of gardenia!

Crucial 1Mui-yellow leaves, what to do?

Flower cultivation Daquan

During the maintenance of gardenia in summer, the leaves are most prone to yellowing, wilting and scorching, and there are three main reasons:

Water yellow, fat yellow and iron deficiency

.

Water yellow

Performance

From the bottom up, the old leaves are yellow first, followed by the new leaves, and the whole leaf veins gradually turn yellow.

Reason

1, watering too often, stagnant water; 2, the pot soil is too wet and sticky, and the air permeability of the flowerpot is poor; 3, the bottom leaves are too dense and not ventilated.

Solution.

:

Put the gardenia in a cool and ventilated place

Trim too dense and too long branches and leaves to increase air permeability. If the root system has rotted, you should immediately change the soil to change the basin, choose a good permeability of the mud basin.

Fat yellow

Performance

The old leaves and veins are yellow first, and the whole piece turns yellow gradually.

Solution.

:

When there is fat yellow, it is necessary to change the water bubble basin many times, or long flow of fine water to irrigate the root for about half an hour to dilute the excessive fertilizer in the soil.

Iron deficiency

Performance

Iron deficiency yellowing is a yellowing disease, the leaves are yellowish or white-green, the veins are still green, the whole leaves are yellowish white, even dry and shedding.

Solution:

When iron deficiency, retting alum fertilizer or 0.1% ferrous sulfate should be sprayed.

Key 2: wilting, how to do?

Flower cultivation Daquan

The big-leaf gardenia just bought from the greenhouse or flower market is most likely to wilt the leaves, mainly because the leaves are large and dense, the air humidity is too small, and the water transpiration is too fast.

Solution:

Gardenia needs greater air humidity, first trim the dense branches and leaves, and then spray around the leaves 2 or 3 times a day to keep moist.

Key 3: drop the bud, what to do?

Flower cultivation Daquan

Potted gardenias are most likely to drop flowers in the summer bud stage.

Solution.

1, watering the bud stage, do not spray the bud; 2, the bud stage must not change the basin, easy to hurt the root system; 3, when the soil is too alkaline, you can spray the mixture of diluted vinegar and ferrous sulfate.

Maintenance skills of Gardenia jasminoides

Flower cultivation Daquan

1. Soil

Gardenia depends on acidic soil with strong air permeability and good drainage, general pine needle soil, rotten leaf soil, and mixed fine sand and stone.

2. Watering

Gardenia likes moist air, avoid accumulation of waterlogging, watering in accordance with the principle of dry and wet, when the summer temperature is high, the basin soil can be shallowly watered to damp, do not need large water to penetrate.

3. Lighting:

Gardenia is a strong positive flower, with high requirements for light and ventilation, maintaining 50%-60% southward light every day to avoid direct light; gardenia jasminoides climb above 30 in temperature, and must be shaded by 50% outside, or in the morning and evening, shading at noon.

4. Fertilization:

Gardenia likes fertilizer, but all newly cultivated gardenia do not apply any fertilizer, once every 1-2 weeks after slow seedling stage.

Fertiliser such as bean cake, sesame sauce residue, peanut bran or potassium dihydrogen phosphate. Summer

No fertilizer was applied when it was above 35 ℃ and below 15 ℃ in autumn.

In addition, watering gardenia with thoroughly fermented rice water and pericarp water can not only increase nutrients, but also soften the soil, adjust acid, and do no harm to flowering.

5. Pruning:

During the peak growth period from May to July, it is necessary to prune the overgrown branches at the top and the overdense branches at the bottom to increase ventilation. After the bud grows, there are 2-3 for each thick branch, 1 for the weak branch, and cut off all the rest of the bud and the surrounding idle leaves; after the flower fades, the old leaves of the remnant flowers, withered branches and the lower part of the flower branches are trimmed.

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