June.

Rosemary is a drought-tolerant evergreen plant that blooms in June every year and has a high ornamental value. It can also be used to extract essential oils and make spices, making it a high-quality cash crop.

Rosemary is native to Europe and the Mediterranean coast of North Africa, and is mainly cultivated as a cash crop in southern Europe. It was introduced in China during the Cao Wei period, and is now cultivated mainly in most of southern China and Shandong.

Rosemary growth habit

Rosemary like warm climate, but in Taiwan, China, the high temperature period of slow growth in the flatlands, winter temperatures without cold spells is more suitable for its growth, water supply due to the rosemary leaves itself belong to the leathery, drought-resistant, so planting of the soil to the sandy so that good drainage is more conducive to the growth and development, it is worth noting that the rosemary is a very good soil. Growth and development, it is worth noting that rosemary is slow-growing, so the regeneration ability is not strong.

Reference: Baidu Encyclopedia-Rosemary