Before planting tulip, the bulbs need to be treated with low temperature. 5 ℃ or 9 ℃ is the most suitable temperature for planting.
Tulips grown in courtyard need to be planted in late October every year.
When planting tulip in the courtyard, the row spacing should be kept at about 14-16cm, the bottom fertilizer should be applied fully, the soil covering depth of 4cm is the most appropriate, and the ditch depth is 15-20cm. After planting, pay attention to timely watering. In germination and flowering very, apply thin fertilizer 2-4 times.
Flowerpots with diameter of 10-20cm were selected in Chinese family. The basin is padded with rubble, brick and stone as drainage layer, and then added with fertile and well drained soil. It should be noted that new soil should be used for soil selection, and the old soil planted should not be eaten, so as to prevent the infection of diseases and insect pests.
Plant 1-2 seed balls in a 10-15cm flowerpot, 3-5 seed balls in each 18-20cm flowerpot, and the top of the seed balls should be flush with the surface of the soil.
After planting, it can be placed in a cool place for observation for about 3-5 days, and then it can be watered and placed outdoors for maintenance. When the surface of basin soil is less than 1cm, it needs to be watered.
From December of each year to February of the next year, the whole precious pearl of the flowerpot should be placed in the outdoor ventilated and sunny place, and the root system can grow at 5 ℃. The basin soil should be watered thoroughly, not dry.
