Rosemary Profile

Written by Joy

Oct 28 2021

Rosemary Profile

Rosemary is a shrub of Dicotyledon, Lamiaceae, and Rosemary. It prefers a warm climate and is native to Europe and the Mediterranean coast of northern Africa. There are occasional applications in the garden.

From rosemary flowers and leaves, antioxidants and rosemary essential oils with excellent antioxidant properties can be extracted. Rosemary antioxidant, it is widely used in the preservation of medicine, fried food, oil-rich food, and all kinds of fats and oils; while rosemary essence is used in the daily chemical industry such as spice, air freshener, and repellent, sterilization, and insecticide.

Rosemary Characteristics

The flowers of rosemary are nearly sessile, opposite, and a few gathered at the tips of short branches to form racemes; its bracts are small and stalked. The calyx is ovate and bell-shaped, about 4 mm long, densely covered with white stellate villi and glands on the outside, glabrous on the inside, 11 veins, two-lipped, upper lip sub-round, entire or short with 3 teeth, lower lip 2 teeth, oval triangular teeth. The corolla is blue-purple, less than 1 cm long, sparsely pubescent on the outside, glabrous on the inside, and the crown tube is slightly extended.
Two stamens are developed and are born under the lower lip of the corolla. There is a small tooth in the middle of the filament. The medicine chambers are parallel, and only one chamber is fertile. Style is slender, far exceeding stamens, the apex is not equal to 2 lobed, lobes subulate, posterior lobes short. Rosemary has a flat top with equal lobes. Ovary lobes alternate with disk lobes. The flowering period of rosemary is generally in November.

Rosemary Habits

Rosemary likes a warm climate, but it grows slowly in the high-temperature period on flat land in Taiwan, China. The temperature without a cold current in winter is more suitable for its growth. In terms of water supply, rosemary leaves are leathery and more drought-tolerant, so they are planted. The soil is rich in the sand to enable good drainage and is more conducive to growth and development. It is worth noting that rosemary grows slowly, so its regeneration ability is not strong.
Rosemary is native to Europe and the Mediterranean coast of North Africa and is mainly cultivated as an economic crop in southern Europe.

Rosemary Uses

Industrial value

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Rosemary is a kind of precious natural spice plant, it will exude a delicate scent during the growing season, which has the effect of refreshing and refreshing. Its stems, leaves, and flowers have a pleasant fragrance. The aromatic oil extracted from the flowers and twigs can be used to formulate air cleaners, perfumes, soaps, and other cosmetic materials. The most famous lotion is made of rosemary and can be used in beverages, skincare oils, hair growth agents, and laundry creams.

Medicinal value

Rosemary has sedative, soothing, and refreshing effects, and has certain effects on indigestion and stomachache. After smashing it, you’d better soak it in boiling water and drink it, 2-3 times a day, it can have a calming and diuretic effect. It can also be used to treat insomnia, heart palpitations, headaches, indigestion, and other diseases. External use can treat trauma and arthritis. It also strengthens the heart, promotes metabolism, and promotes blood circulation in peripheral blood vessels.

Edible value

Rosemary has a strong astringent effect, regulates greasy skin, promotes blood circulation, and stimulates hair regeneration. Improve hair loss (pregnant women fasting).
Rosemary is a frequently used spice in Western food, and it is especially frequently used in steaks, potatoes, and other dishes and grilled products. It is sweet with pine woody smell and flavor, strong fragrance and bitter in sweetness.

Rosemary Propagation

Seedlings are generally grown in the greenhouse in early spring. Both soil method and plug seedling can be used. To raise seedlings, the seedbed must be prepared first. The seedbed can be flat or small, and the bed soil should be smashed and flattened. Fermented base fertilizer is applied, and foot water is poured. It can be broadcast or drilled. However, the seeds should be sown as thinly as possible, or mixed with fine dry soil, and sown on the seedling bed with small water so that the seeds are in full contact with the soil. The seeds have good light properties. The seeds are sown directly on the medium without covering. A small arch canopy is built on the border surface to ensure the ground temperature and prevent the soil surface from being hardened.
The seeds depend on the bottom water of the seedbed to develop, but the surface of the soil must be kept moist. After the sprouts are unearthed, water them again, following the principle of frequent irrigation with small water. The suitable temperature for seed germination is 15-20 degrees Celsius. Sprout in about 2-3 weeks. When the seedling grows to about 10 cm, it can be planted in about 70 days.
The bud rate of rosemary is very low, generally only 10%-20%. In the first year, the growth of rosemary is extremely slow. Even in autumn, the plant size is not much larger than the plant when it was just planted. -3 years later, the speed is very slow. Therefore, asexual reproduction is generally used in production. But the scent is more fragrant when cultivated from seeds, so the method of propagation depends on needs.
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