Lavender is a semi-shrub or dwarf shrub, branched, covered with star-like hairs, which are denser in the young parts; the old branches are grey-brown or dark brown, the cortex peels off in strips, and has long flower branches and short branches. of newer branches.
The leaves are linear or lanceolate, and the leaves on the flowering branches are larger, distant, 3-5 cm long, 0.3-0.5 cm wide, covered with dense or sparse gray star-like hairs, when dry Gray-white or olive-green, the leaves on newer branches are small, clustered, no more than 1.7 cm long, about 0.2 cm wide, densely covered with gray-white star-like hairs, gray-white when dry, all with blunt apex, base tapered into a very short stalk, all The edge is rolled outward, the midrib is raised underneath, and the lateral veins and network veins are not obvious.
Growth Habits
Lavender is highly adaptable. Adult plants are resistant to both low temperature and high temperature, and can withstand high temperatures of about 40°C during the harvest season. In the Huanglong area of ??Shaanxi, lavender plants can survive the winter safely in the open at -21°C; in Xinjiang, they can withstand low temperatures of -37°C after being buried in soil and covered with snow. Seedlings can tolerate low temperatures of -10°C.
During the growth and development of lavender in the next year, the average temperature is around 8°C, and it takes 10 to 15 days to start sprouting; the average temperature is 12 to 15°C, and it takes 20 days for the plant branches to start to turn green and elongate; the average temperature is 16 ~18℃, it takes 25~30 days to start budding; the average temperature is 20~22℃, flowering begins; the average temperature is 26~32℃, it is the fruiting period.