How to maintain in summer?1. Pruning after flowering After the camellia flowers fade, be sure to cut off the withered branches to reduce nutrient consumption. In addition, you need to thin out the branches, cut off the dense overlapping branches, entangled branches, and dead branches, ensure ventilation, and prepare for the next round of flowering! 2. Watering Camellia likes moisture, and water evaporates quickly in summer, so be sure to water it frequently. But be careful to wait until the soil on the pot surface is obviously dry before watering, and water thoroughly when you do. The best time for watering is between 7-9 am and 18-20 pm every day. 3. Lighting The temperature is too high in summer, and camellia cannot be exposed to the sun for a long time. If it is maintained outdoors when the temperature exceeds 30 degrees, it must be shaded. If it is maintained indoors, it must be placed in a place with scattered light. 4. Fertilization Camellia likes fertilizer. After flowering, it should be applied with decomposed cake fertilizer water or phosphorus-potassium compound fertilizer once a week or so, and applied frequently in thin layers. But after summer dormancy, stop fertilizing. What issues should we pay attention to during summer maintenance?1. Soil management It is best to arrange the soil on the surface of the pot into an inclined surface with the edge being high and the base of the flower stem being slightly concave. This can effectively prevent the soil at the roots from drying out and forming clumps, allowing the roots to fully absorb water. On rainy days, pour out the accumulated water in the pot in time to prevent root rot. 2. Proper water control Camellia usually has a second flower bud differentiation in July. After the new leaves grow, until late August, the water should be controlled appropriately to keep the soil slightly dry. This will help promote the thickness and lignification of new branches, and can also promote bud formation. 3. Don’t move frequently Moving the flower pots frequently to change the growth direction and light-receiving surface is beneficial for other flowers to form beautiful plant shapes, but camellia has poor adaptability and is prone to poor growth, withered leaves and fallen leaves if its position is frequently changed. In severe cases, it can also damage the root system, especially in hot seasons. Common pest and disease controlCommon diseases anthrax June and July are the peak periods of camellia anthracnose. Yellow-brown spots will appear on the infected leaves and gradually spread. Once discovered, the diseased leaves should be cut off immediately, and the diseased area should be sprayed with 600 times aqueous solution of thiophanate-methyl once a week or 1% Bordeaux mixture once every half a month, and spray 3 to 4 times in a row. Root rot The symptoms of camellia root rot are root rot and blackening, yellowing and drying of leaves, and falling of flower buds. When root rot is discovered, the plant should be dug out immediately, the rotten roots removed, and disinfected with a diluted potassium permanganate solution, then the soil should be replaced and the plant repotted. Common pests Scale insects, aphids In hot and humid weather, scale insects and aphids are easily parasitized on the branches and leaves of camellia. You can kill them with pyrethroids or systemic insecticides diluted 1000~2000 times, spray once a week, and spray water after spraying. Red Spider When gray-yellow spots are found on the leaves, check the back of the leaves in time to see if there are red spider mites. To eliminate red spider mites, use 1000-1500 times diluted 40% trichlorodicofol emulsifiable concentrate and spray the whole plant once a week. Flower lovers, how are the camellias in your home growing? How do you summer it? Leave a message and share it with everyone! |
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