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Most hyacinth seed bulbs are imported from the Netherlands. The commercial hyacinth bulbs in the Netherlands are divided into two types: one is the treated bulbs, stored at 9-13°C, used as an early flower to promote cultivation, and the time from cultivation to flowering is about 70 days; The species is a conventional bulb, stored at 17°C, used as a medium-to-late plant for cultivation, and planted until flowering time of 90-120 days. The general circumference is more than 15 cm, which can be used to promote cultivation. Hyacinths promote cultivation procedures as follows: 1. Disinfection treatment Before planting, peel the epidermis and roots, disinfect and dry them. 2. Planting requires cultivation of substrates such as peat soils with a pH of 6.0 to 7.0. One ball is usually planted in 10 cm pots and 3 balls in 15 cm pots. Planting should expose the bulb nose to the soil. After planting, pour enough water and place it in a low-temperature greenhouse. Or use a transparent glass bottle for hydroponic culture. 3, rooting stage Hyacinth rooting needs to be placed at different temperatures for dark culture. First at 9°C, then 5°C, then 0-2°C. The processing time varies depending on the variety and rooting conditions. 4. After the hyacinths treated with low temperature in the planting stage of the garden, after removing the hyacinth from the low-temperature greenhouse, the stems can be withdrawn under the conditions of 23°C. After 20-30 days of planting, the hyacinths can bloom. It is best to move the hyacinths out of the cold rooting room in the evening.