1. SoilIt is best to choose loose and well-drained sandy loam for growing dahlias, and try not to use heavy clay soil. It can be prepared with leaf mold, sandy soil, and garden soil. 2. SunlightIt should be grown in a place with sufficient light, and the lighting time should be more than 6 hours, which can make it grow better and the flowers will be fuller; if there is not enough sunlight, the growth of leaves and flowers will be affected. 3. WateringDuring the growing season, you need to increase the amount of watering. When the temperature is high, water once a day. You can also spray water all around to increase the air humidity. Avoid making the plant too dry or too wet. Generally, the amount of water should be increased during the growing period, and the amount of watering should be reduced during the seedling stage to avoid dwarfing. 4. TemperatureThe temperature requirements for dahlias during their growth period are not strict. Generally, they can grow normally as long as the temperature is controlled at 5-35℃. The most suitable growth temperature is 10-25℃. If you want it to grow better, try to control it to the most suitable temperature. 5. FertilizationFertilize it every 10-15 days from the seedling stage, and again one week after the flower buds appear. It is best not to fertilize when the temperature is high. The amount of fertilizer to be applied should be determined based on its growth conditions. If the leaves are lighter in color, it is mostly due to lack of fertilizer. If the leaves turn yellow and burnt, it means that too much fertilizer has been applied. The leaves are green and thick, which is a sign of appropriate fertilization. |
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