When dahlia is potted, five parts of garden soil, two parts of rotten leaf soil, two parts of river sand and one part of rotten organic fertilizer can be used for uniform cultivation. It should be noted that after the bulb is planted in the flowerpot, the bulb should be completely buried in the soil and not exposed. After planting, it was watered and placed at a constant temperature above 15 degrees, and germinated about one to ten days later. Once germinating, it should be placed in an environment with sufficient light. It has higher requirements for light
Attention should be paid to potted Dahlia watering. Outdoor cultivation, especially in summer, has a large amount of evaporation, so watering must be done in time to prevent dryness. The evaporation of indoor planting water is restrained to a certain extent, and the root system of potted plant should be prevented from rotting.
Dahlia is a plant that is afraid of both cold and heat. When the temperature exceeds 25 degrees in summer, it should be placed in a cool and ventilated environment and protected by high temperature. When the night temperature is lower than 10 degrees below, we should also do a good job of low temperature prevention.
In the cultivation process, in addition to bulbous planting to the soil to apply a sufficient amount of base fertilizer, the growth period every 10 days or so to apply a thin liquid fertilizer.
Dahlia is more prone to diseases and insect pests, to observe frequently, once there are signs of timely intervention, to prevent diseases and insect pests caused unnecessary impact.