What are the precautions for growing gardenias?

1. Gardenias like fertilizer but are afraid of strong fertilizer.

Generally, before buds appear, apply 2 rounds of cake fertilizer water rich in phosphorus and potassium. After buds appear, stop fertilizing. If too much fertilizer is applied, it easily burns the roots and causes bud drop. During the growing season, apply 1 round of decomposed cake fertilizer water or manure water every half month, and add 1%-2% ferrous sulfate to prevent soil alkalization.

2. Gardenias like semi-shade and are afraid of direct strong light, requiring about 50% shade.

If exposed to the sun, the leaves turn yellow and white and then fall off, so in summer they must be kept in a shaded place or a spot with scattered light. Let them receive light in the early morning and evening to prevent the leaves from turning yellow.

Well, that is all for today. If a friend has gardenias at home with yellowing leaves, quickly check whether it is due to the reasons above and solve it right away, so your gardenia can be full of vitality again. To learn more, please follow Four Seasons Plants Network!

How to grow gardenias: precautions for growing gardenias

How to grow gardenias

First, grow in acidic soil

Gardenias need scattered light, so they like acidic soil. If the soil is alkaline, gardenias cannot absorb iron well, which greatly affects the formation of chlorophyll and further causes the flowering branches to wither and even die. Therefore, the soil must be loose, fertile acidic soil, and some substances with this effect can also be added to it.

Second, place in a cool spot

Gardenias must never be placed in the blazing sun, otherwise the leaves will wither and turn yellow. But this does not mean placing them in full shade, because they still need a certain amount of light. It is best to place them where they can maintain 60% light daily. In addition, after April begins, fertilize twice a month.

Third, air humidity

Gardenias like moisture, so the air must not be too dry. According to expert statistics, if the air humidity is below 70%, it will affect the normal opening of the flowers, but if it is too humid, it will cause root and stem rot and yellow leaves. So in addition to normal watering, also spray clean water nearby regularly. Another issue to pay close attention to is that water must not be poured too much, otherwise it will also affect growth. When you see the soil is dry, tap the flowerpot with your hand. If there is a hollow sound, it needs watering. Stop when water starts leaking from the bottom of the pot. It is best to add some eggs, soy milk, and similar items to the water, as this is more beneficial for growth.

Fourth, key points for fertilizing

Gardenias like fertilizer, but too much fertilizer must not be added all at once. Be sure to apply thin fertilizer frequently. Never cut corners, otherwise the branches will become thick, the leaves large, and the color deep green, and it will lose its own ornamental effect.

Fifth, temperature requirements

The growing temperature for gardenias must not be too low, because they like warmth. Generally, the ideal temperature during the growing season is 18 to 22 degrees, and in winter 5 to 10 degrees. If it is below minus 10 degrees, they will suffer cold damage. The north must pay special attention to this.

Sixth, proper pruning

Gardenias very easily grow lush branches and leaves, creating a dense, airless, and chaotic feeling. This causes nutrients to be dispersed and reduces their ornamental value, so they need to be pruned. When pruning, it is best to keep 3 main branches, and remove root suckers and newly sprouted branches at any time. After the flowers fade, the branches should be cut short in time, so that new branches will sprout below the cut. When the new branches grow three nodes, pinch off the tips to prevent blind growth.

Precautions for growing gardenias

1. The propagation methods for gardenias are cuttings, layering, and division.

2. Pay attention to pest and disease control for gardenias. Gardenias are generally prone to yellow horse disease, and leaf spot disease and canker disease also occur from time to time, so we should pay more attention. Gardenias are also easily attacked by a pest called Ma's whitefly. If you encounter this, you can consult professionals for pest control.

3. Gardenias are very sensitive to water, so a clay pot with good breathability should be used as the pot base, so that watering gardenias will not cause water accumulation, which can lead to yellowing and falling leaves and, in severe cases, even death of the plant.

4. Regarding the cutting time for gardenias, April in the first half of the year and August to September in the second half are best. These two periods are the best seasons for gardenia propagation.

5. Fertilizer should not be applied before or after gardenia cuttings. At this time, they only need to grow naturally. Even natural fertilizer, urea, chemical fertilizer, and the like are not suitable.

The growing method for gardenias is not complicated. On the contrary, it is a relatively easy plant to care for. No matter which corner it is placed in, it plays its own small value, especially in early summer when the flowers bloom, the fragrance is refreshing.

How to grow gardenias? Precautions for gardenia care

The song "Gardenia Blooming" awakened the youthful memories of many people and also attracted many friends who want to grow gardenias at home. So, how should gardenias be grown? What key points need attention? Let's learn about them together:

Image: Gardenia

1. Soil

Gardenias like to grow in acidic soil containing more humus. You can mix 4 parts leaf mold, 4 parts vegetable garden soil, 1 part soybean meal (decomposed), and 1 part river sand. Water permeability and breathability should be good. Then add 0.5% black alum or sulfur and mix it for use.

2. Temperature

20-25°C is the best temperature for gardenia growth and development, and the suitable temperature for flowering is 26-28°C. Plants cultivated for 4-5 years can endure a short period of -3°C low temperature. Below -5°C, they suffer cold damage, the leaves turn black and fall off, and young tender branches freeze to death. In winter, indoor care should maintain 6-10°C, and it must not be lower than 0°C. If the room temperature is above 15°C, open the south-facing doors and windows for proper ventilation and lower the temperature. Otherwise, it easily sprouts, and once it encounters low temperatures it will be harmed, which is extremely unfavorable for growth and flowering the following year.

3. Light

Gardenias like sufficient light, especially in spring and autumn. They should receive more than 8 hours of sunlight daily, otherwise it is unfavorable for their growth and development and for overwintering. In summer, avoid strong sunlight at noon, otherwise the leaves will turn yellow. Place them in a spot with scattered light for care, with about 40-50% light transmission. In winter, place them indoors in a spot with direct sunlight facing south.

Image: Gardenia

4. Fertilizing

Gardenias are not a flower that especially likes fertilizer, but because they grow vigorously and are limited by the limited nutrients in the potting soil, they need reasonable fertilizer supplementation during the growing season. Apply decomposed human manure or cake fertilizer once every 10 days or so. Stop watering 1 day before fertilizing, and water thoroughly once on the day of fertilizing. Stop fertilizing from mid-September. For adult plants, add sesame paste residue once each in mid-June and mid-August, 0.5-1 liang each time, crush it and mix it thoroughly with the surface soil.

6. Pinching

In order to regulate and control the growth of gardenias, make the plant shape beautiful, and promote flowering, when vigorous growth is about to stop in spring, pinch off the tips of new branches to encourage the axillary buds at the base of the branches to become plump and promote the formation of flower buds.