Lavender likes to be loose and fertile. The soil rich in humus is the same, pH value 7-8.5 is the most suitable for lavender like sunny, cool and well ventilated environment, avoid hot and humid.
It can grow at 15-25 ℃ and 5-30 ℃. The growth stopped above 35 ℃, and the top of stem and leaf withered and yellow for a long time. In the northern winter, dormancy began when the temperature was below 0 ℃ for a long time, and the seedlings could bear the low temperature of - 20 ~ - 25 ℃.
1. There are 28 kinds of lavender in the current time. ,
2. Lavender can be seeded, cutted and pressed. Rooting propagation is mainly based on sowing and cutting.
3. Lavender is sown and propagated. The conventional sowing time is from March to June or from September to October. Lavender seeds should be soaked for 12 hours before sowing, and then 20-50mg /kg gibberellin should be soaked for 2 hours before sowing.
4. Pay attention to spray water at seedling stage. When the seedlings are too dense, the seedlings can be properly inter seeded. When the height of the seedlings is about 10cm, the seedlings can be potted.
5. Select the well-developed parent plant, cut the annual semi lignified branches without heading from the parent plant, remove the top, which is 5-6cm long, and then insert them into the prepared culture soil after 2 hours of water insertion, with the insertion depth of 1-2cm, and then water permeable.
6. Pay attention to shade with a sunshade with a light transmittance of more than 80%, keep the basin soil moist frequently, and the roots will grow about 2-3 weeks after transplanting. After rooting, shade with a sunshade with a light transmittance of 50% to cool in autumn, and put the basin into the basin one month after transplanting.
