Winter greenhouse flower planting matters needing attention

Temperature: Adjust the appropriate temperature according to different flowers. Hi-temperature flowers, such as poinsettia, African Impatiens, Begonias, and Cactus-like fleshy flowers, should be placed as far as possible in pots with sunny, high temperature (between 20°C and 25°C), and the minimum temperature should not be lower than 10°C. Hi-temperature flowers, suitable for winter temperatures from 18 °C to 22 °C, the minimum temperature of not less than 6 °C. For flowers with low temperature, the winter temperature should be kept between 12°C and 15°C, and the minimum temperature should not be lower than 2°C.

In addition, the flowers that bloom in winter and spring are like sunshine, should be placed on the windowsill or near the window sill in a sunny place. Evergreen but flower-tolerant evergreen flowers or dormant flowers can be placed in a cool place with scattered light. Generally speaking, flowers that are not strictly light-required can be placed in a shady place without light.

Fertilization: Most flowers fall into dormancy in winter, so try to reduce fertilization or stop fertilizing. The main selection method of indoor ornamental plants Indoor flowers that do not sleep during the winter, such as evergreen flowers palm bamboo, green radish, basically no requirement for fertilizer when the room temperature is around 5 °C, so do not need to top-dressing, if the temperature is low, fertilizer appears easily Root rot phenomenon. The main reason is that the growth of the roots of plants in winter is in a slow state. The fertilized materials cannot be absorbed by the roots, but will impede the normal absorption of the roots. In severe cases, they will rot. If the room temperature is high (above 20°C) and it is winter flowering flowers, it is necessary to apply a thin organic liquid fertilizer once every two weeks, or a small amount of compound fertilizer. It is best to use potted flowers without odor or Taomi water after fermentation to prevent the indoor environment from being polluted by fertilizer.

Watering: Due to the low temperature in winter, the watering of flowers should be stored or aired by utensils. Avoid direct watering with tap water to prevent the temperature difference from being too large and damaging the root system. Because the winter temperatures are constantly falling, the metabolism of flowers is slow, or they enter a dormant state. Generally, pot flowers should be strictly controlled. If the pottings are not too dry, do not water them, especially shade-tolerant flowers, and avoid rot-root defoliation caused by excessive watering. The two main methods of flower fertilization are generally appropriate before and after noon. For some hi wet and evergreen flowers, the leaf surface should be sprayed with water that is similar to the room temperature, cleaned and dusted to facilitate photosynthesis.

Pest control: Due to poor indoor ventilation in the winter, some flowers often suffer from powdery mildew, coal smoke, aphids, and red spiders. The disease can be sprayed with 0.1% carbendazim or thiophanate liquid, and pests can be sprayed with 0.2% dimethoate or insecticide. When spraying pesticides, it is best to move the pot to the outside, or you can bury the insecticidal tablets in the soil. In addition, the interior should pay attention to ventilation, the whole winter should open the window ventilation at noon in sunny weather, in order to reduce the occurrence of pests, but also conducive to the robust growth of flowers.


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