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Breeding methods and precautions of Primula oleracea

Mike Ehrmantraut
2020-07-22 08:32:40
Temperature: the suitable temperature for growth is between 12 ℃ and 22 ℃. Increasing the temperature difference between day and night can prolong the flowering period. In winter, if you want to move to the room for winter, the temperature must be maintained above 5 ℃. Sunshine: it should be put in the shade in summer and autumn, not in the direct sunshine. When the flower bud grows, it should be enough sunshine. Water content: keep basin soil dry in growth period, not too wet. Nutrients: apply fertilizer 3 to 4 times a month during the growth period.

Temperature

This plant is very afraid of high temperature. If the temperature rises above 22 ℃, its normal growth will be affected. The temperature suitable for growth is between 12 ℃ and 22 ℃. However, if the temperature can be controlled at 20 ℃ in the daytime and 12 ℃ in the evening, it will not only benefit the growth, but also prolong the flowering period and make the flowers more colorful. Winter to move to the room for winter, the temperature must be maintained at more than 5 degrees.

Sunshine

Put it in the shade in summer and autumn, and don't let the sun directly shine on the plants. Especially in summer when the temperature is too high, we should be better prepared for shade. In the flower bud growth, at this time in addition to maintaining the temperature at 15 degrees, but also to ensure adequate sunshine, flowering is very beneficial

Moisture

In the growth stage of seedlings, the amount of water should be controlled, not too much, otherwise it will affect the growth of roots. In the normal growth period, the basin soil should be kept in a slightly dry state, not too wet. If there is water shortage in the leaves, you can sprinkle some water on the leaves first.

Primula henryi

Nutrient

During the growth period, the fertilizer should be applied three to four times a month, and the concentration of fertilizer should be well controlled. Do not let the plant touch the fertilizer when applying fertilizer, or it will burn its leaves easily. If it is, wash it with water immediately.

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