Osmanthus fragrans, also known as sweet clover, is an evergreen tree of sweet clover. Osmanthus fragrans is native to the East Himalayas in southwest China, and also distributed in India and Nepal. It has a cultivation history of more than 2500 years in China, and is planted in the open field south of the Yellow River and southwest of Guangdong.
Osmanthus fragrans is a long-day plant, which likes to grow in places with abundant sunshine, deep soil layer and good drainage. The soil is slightly acidic with a pH value of 5.5 ~ 6.5. Avoid alkaline earth, be afraid of stagnant water and oil fume. Potted plants are needed in the north, and low-temperature greenhouses are used for wintering. The temperature around 0℃ will not cause harm to potted osmanthus.