Gardenia jasminoides Ellis is an acid plant. Acid soil is more suitable for its growth, so when it is raised, the pH value of the soil should be tested frequently. If the value is more than 7, it is alkaline. If the soil is alkalized, measures should be taken. You can mix rotten leaf fertilizer in the soil, or drop a few drops of vinegar. These things can change alkaline soil into acid soil.
Gardenia is a semi shade plant, which needs a certain amount of light. It is necessary to ensure six hours of astigmatism every day to avoid direct sunlight. Direct sunlight will cause its leaves to turn yellow, flower buds to fall and so on.
The suitable temperature for the growth of gardenia is above 15 ℃ and below 25 ℃. When the temperature is high, the Gardenia should be moved to a cool place, or watered to cool it. When the temperature is low, attention should be paid to helping it keep warm. If it is a pot plant, it can be moved to a warm place. If it is an outdoor Gardenia plant, it can be covered with straw, wrapped with a fresh-keeping film and other ways to help the Gardenia keep warm.
Gardenia likes wetness but not waterlogging, so we should water it more, but the amount of water should not be too much. It's better to water it twice or three times a week. Each time, there should be no water in the basin. Its root system is a meat root. Water accumulation will affect the root's nutrient absorption and growth. In addition to watering, every morning and evening to Gardenia branches and leaves water spray, the finer the better the water, easy to absorb.
