Sage is usually sown in spring and early autumn.
Before sowing, in order to improve the rate of emergence and early emergence, the seeds can be soaked in 50 ℃ warm water. When the temperature drops to 30 ℃, they can be rinsed with clear water for several times, then they can be put under 25-30 ℃ constant temperature to accelerate germination or soaked in clear water for 24 hours before sowing. Either direct seeding or seedling transplanting.
Because the seeds of Salvia are small, they should be planted shallowly. After sowing, the soil should be covered with thin soil and watered frequently to keep the soil moist.
From May to June, the top tip of the selected branch, which is not too tender at the top, is 5-8 cm long, cut at the lower part of the stem node, remove 2-3 leaves at the base, and insert into the seedbed according to the row spacing of 5 cm × 5 cm, with the depth of 2.5-3 cm.
Water after planting and cover with plastic film to keep moisture. After 20-30 days, the new root can be planted with proper density.
After planting, loosen soil and weed in time.
In case of drought, proper irrigation shall be carried out and timely drainage shall be carried out after rain. In the growing season, the fertilizer is applied 2-3 times according to the situation, and each time about 5kg of urea can be applied per mu.
In the north of the Yangtze River, it is necessary to cultivate soil for the winter. Generally, it is necessary to cultivate 20cm high soil after the upper part of the ground is harvested and irrigated before the winter is frozen. After the final frost in the next spring, the soil is removed and watered to make the buds grow. South China can survive the winter safely without covering.
