What to Do When Gardenia Leaves Turn Yellow? Detailed Guide to Watering and Pruning Methods

The song "Gardenia Blooms" expresses the reluctance of classmates during graduation season, and also sings of those youthful days. The gardenia in the song has green leaves, white flowers, and an elegant fragrance, making it one of the choices of many gardening enthusiasts. So what should you do when gardenia leaves turn yellow during cultivation? How to water? When to prune?

1. What to Do When Gardenia Leaves Turn Yellow?

As traditional Chinese medicine says, to cure the root cause of a condition, you must treat it according to its cause. There are many reasons why gardenia leaves turn yellow, so different causes of leaf yellowing require different countermeasures. The following introduces them one by one:

1. Yellowing leaves caused by overwatering gardenia leading to water accumulation: Gardenia is a plant that fears water accumulation, so once overwatered, new leaves will stop growing and old leaves will turn yellow and fall off.

Solution: Pour out the water in the saucer under the flowerpot, then take the plant out of the pot together with the soil and place it in a cool, ventilated place. After the soil ball dries, put it back into the flowerpot together with the plant. At this point the soil around the edges and the plant will be somewhat dry, and then just water an appropriate amount.

2. Yellowing leaves caused by not watering the gardenia for a long time: Gardenia is a moisture-loving plant, so if the plant is not watered for a long time, the leaves will also become scorched and yellow.

Solution: Fill the saucer under the gardenia flowerpot with water, allowing water to enter the soil in the pot through the drainage holes at the bottom of the pot. In addition, use a spray bottle to sprinkle water on the leaf surfaces. Also remember to water the gardenia regularly and in fixed amounts.

3. Poor air circulation can also cause gardenia leaves to turn yellow: Gardenia growth requires ventilation and moisture. If doors and windows are kept tightly closed for a long time, it will also cause leaves to turn yellow.

Solution: Open windows every day to ventilate indoor gardenias, or place the gardenia in a ventilated place (remember it must not be exposed to direct sunlight).

4. Yellowing gardenia leaves caused by freezing cold and low temperatures: Too low a temperature will freeze and damage the plant, causing leaves to turn yellow.

Solution: In severe winter cold, do not place it on an outdoor balcony, and be sure to take good cold protection measures.

5. Yellowing leaves caused by too much or too little fertilizer: Whether there is too little or too much fertilizer, it will cause leaves to turn yellow.

Solution: If too much fertilizer was applied, you can choose root flushing and root washing to remove excess fertilizer; if too little fertilizer was applied, increase the amount of fertilizer. Fertilizer can be purchased directly at flower, bird, and fish markets.

6. Yellowing leaves caused by insufficient light or direct sunlight exposure: The growth of green plants all requires light, so long periods of insufficient sunlight will make leaves turn yellow and fall off; conversely, the same is true for direct exposure.

Solution: If there is insufficient light, move it into the sunlight to supplement light; if there is too much direct exposure, just move it to a cool place.

2. How to Water Gardenia?

1. Spring: In spring, there is more rain in the south and the air is relatively humid, so you can water about once every three days. Each time, just moisten the soil.

2. Summer: Summer weather is hot and water evaporates quickly, so water the gardenia once a day.

3. Autumn: In autumn, generally water the gardenia about once every two days.

4. Winter: In winter, watering depends on the degree of dryness or moisture of the soil. When dry, moisten and soak the soil thoroughly; when not dry, you can skip watering. In addition, remember to use a spray-type container to spray water on the leaf surfaces of the gardenia.

3. When to Prune Gardenia?

1. Pruning after the gardenia growth period: From May to July each year, you can prune the gardenia, cutting off the branches at the top tips to promote branching and make the gardenia's later growth form more beautiful.

2. Pruning after gardenia leaf drop: In the winter of each year in November and December, you can cut off the dead branches and dead leaves of the gardenia plant.

3. Pruning during the period of diseased yellow leaves in gardenia: If yellow leaves, black spots, or diseased branches appear on the gardenia plant, they can be pruned off to prevent them from infecting other healthy leaves and branches.

4. What Is the Flower Language of Gardenia?

1. Gardenia means strength and joy: Gardenia blooms in summer, and even under the scorching sun it still brings people fragrance.

2. Gardenia also means eternal love and a lifetime of waiting.