How do you raise rosemary? is it right?

Rosemary, (Latin name: Rosmarinus officinalis) shrubs of Labiatae. Sexual preference for warm climate, native to Europe and northern Africa along the Mediterranean coast. It was introduced to China as far back as the Cao Wei period. Now there are occasional applications in gardens.

Antioxidants and rosemary essential oils with excellent antioxidants can be extracted from rosemary flowers and leaves. Rosemary antioxidants. It is widely used in medicine, fried food, oil-rich food and all kinds of oil, while rosemary essence is used in spices, air fresheners, ant repellents, germicidal, insecticidal and other daily chemical industries.

Morphological characteristics

Rosemary shrubs, up to 2 m high. Stems and old branches cylindrical, cortical dark gray, irregularly longitudinally lobed, massive exfoliation, young branches quadrangular, densely white stellate tomentose.

Leaves often clustered on branches, with very short stalks or sessile, leaf blade linear, 1-2.5 cm long and 1-2 mm wide, apex obtuse, base attenuate, entire, curled abaxially, leathery, slightly glossy above, subglabrous, densely white stellate tomentose below.

Flowers subsessile, opposite, a few gathered at the tip of short branches to form racemes; bracts small, stipitate. Calyx ovate-campanulate, ca. 4 mm, outside densely covered with white stellate tomentose and glands, inner surface glabrous, 11-veined, 2-lipped, upper lip suborbicular, entire or with very short 3 teeth, lower lip 2-toothed, teeth ovoid-triangular. Corolla blue-purple, less than 1 cm long, outside sparsely pubescent, inner surface glabrous, crown tube slightly extended, limb 2-lipped, upper lip straight, 2-lobed, lobes oval, lower lip broad, 3-lobed, middle lobe largest, concave, oblique, margin dentate, base constricted into stalk, lateral lobes oblong. Two stamens are developed, inserted below the lower lip of the Corolla, there are 1 downward denticulate in the middle of the filament, the anther chamber is parallel, and only one locule is fertile. Style slender, much longer than stamens, apex unequally 2-lobed, lobes subulate, posterior lobes short. Disk flat, with equal lobes. Ovary lobes alternate with disk lobes. The florescence is November.

Main value

Industrial value

Rosemary is a valuable natural spice plant, which emits a delicate fragrance during the growing season and has a refreshing effect. Its stems, leaves and flowers have a pleasant fragrance. Aromatic oils extracted from flowers and twigs can be used to mix cosmetic materials such as air cleaners, perfumes and soaps. The most famous cosmetic lotion is made of rosemary. It can be used in beverages, skin care oils, hair care agents and laundry creams.

Medicinal value

Rosemary has a sedative and brain-awakening effect, and has a certain effect on indigestion and stomachache. After mashing it, soak it in boiling water and drink it 2 or 3 times a day, which can play a sedative and diuretic effect. It can also be used to treat insomnia, palpitation, headache, indigestion and other diseases. External use can treat trauma and arthritis. It also has the functions of strengthening the heart, promoting metabolism and promoting the blood circulation of peripheral blood vessels.

It also improves language, vision and hearing disorders, enhances attention, treats rheumatism, strengthens liver function, lowers blood sugar, contributes to the treatment of arteriosclerosis, and helps paralyzed limbs regain mobility.

Edible value

It has a strong astringent effect, recuperates greasy skin, promotes blood circulation and stimulates hair regeneration. Improve hair loss (fasting for pregnant women).

Rosemary is a common spice in western food, especially in steak, potatoes and baked products. Sweet with pine wood smell and flavor, rich aroma, sweet with bitter taste.

Rosemary is a common herb, and rosemary is usually not difficult to grow. Once it takes root, it can thrive for many years. In this paper, let's take a look at how to grow rosemary. Rosemary is a good potted plant. Potted plants can solve the problem of very cold climate. You can bring flowerpots indoors in winter.

Rosemary this kind of grass likes the mild climate, the south can be planted outdoors all the year round, and in the north it is necessary to move indoors in winter or take other heat preservation measures. Its growth rate is not fast, not as fast as mint and basil. Rosemary requires at least 8 hours of direct sunshine a day, with moderate watering (less watering), and mature plants can be watered thoroughly every 4 to 7 days.

Rosemary likes alkaline soil, if the soil is acidic, it can be opened with quicklime, and the lime slurry can directly water the flowers. Rosemary can bear it. It can be mixed in the soil for several days and then used to change pots. If there is no quicklime, the desiccant of Wangxianbei and other foods is lime, dosage reference: one pack to 1 gallon basin.

Rosemary grows fast in spring and autumn, slow in cold and summer, and needs sufficient light, but pay attention to shade in summer, rosemary is more resistant to drought, dry and thoroughly watered, less water in winter, pay attention to anti-freezing, usually two days a day in summer.

If you plant in the garden, please choose a well-drained soil. Waterlogged soil will cause rosemary root rot. The more alkaline the soil, the better the rosemary. If the soil is too acidic, bury some lime in the soil.