Culture method of fragrant leaf geranium (rose geranium)

Geranium (Rose Pelargonium)

Scientific name: pelargonium graveolens

Alias: touch incense, incense sunflower.

Family belongs to: geraniaceae, geranium.

Description: Perennial herb or shrub, up to 1m high, stem erect, base qualitative, upper fleshy, densely covered with glossy pilose, fragrant. Leaves alternate; stipules broadly triangular or broadly ovate, 6 - 9 mm long; apex acute; petiole subequal to leaf blade, pilose; leaf blade 2 - 10 cm in diam., palmate 5 - 7-lobed to middle or near base, lobes oblong or lanceolate, lobule margins irregularly dentate or serrate, both surfaces hispid. Umbels, opposite leaves, with 5 - 12 flowers; bracts ovate, pubescent, margin with green hairs; pedicels 3 - 8 mm long or several sessile, sepals long ovate, green, 6 - 9 mm long, 2 - 3 mm wide, apex acute; petals rose or pink, twice as long as sepals, apex obtuse, upper 2 larger; stamens subequal to sepals, lower part spreading. Capsule ca. 2 cm, pilose. The flowering period is from May to July and the fruiting period is from August to September.

Ecological habits: like warm, not cold, growth temperature of 22~30 degrees Celsius. Like sufficient light, drought resistance, fear of waterlogging, good drainage should be fertile loam.

Cultivation and management: cuttage propagation mainly, mostly in the spring and autumn season. As an annual crop cultivation, generally in the winter of the previous year in the greenhouse or hotbed seedlings, cuttings with about 15 cm long, mature shoots, leaving 1 - 2 top leaves. After rooting, it needs to be kept at 8~10 ℃. The following year after the late frost planting, plant spacing 50 - 60 cm. Organic fertilizer and ammonium sulfate, calcium superphosphate, potassium fertilizer, etc. should be applied during the growth period, and attention should be paid to preventing aphids and red spiders. Harvest once every June to July and mid-October, and harvest 3 to 4 times if there are more.

Application: Garden can decorate flower bed and flower mirror; potted plant can decorate room; can also be cut flowers. The stems and leaves keep mosquitoes away.

Basic information about geranium:

Geranium is a geranium native to southern Africa, especially South Africa. They are sometimes called geraniums and mosquito reptiles because they belong to the Geraniaceae family, but they are actually geraniums. Geranium has an important place in the perfume industry. They are cultivated in large quantities, distilling the aroma of leaves.

Geranium is popular because of its volatile aroma. Can be used to make essential oils, its main ingredients are geraniol, citronellol, linalool and so on. Geranium has a variety of scents including rose, citrus, mint, coconut and bean curd, and a variety of fruit flavors. Because of its easy cultivation and high essential oil yield, it can be used as a substitute for other essential oils with low yield, such as rose essential oil or orange blossom essential oil.

The common name for geranium is rose geranium.

In addition, geranium leaves are not "geranium" in cooking spices. Geranium is a laurel leaf.

Is geranium poisonous?

Pelargonium essential oil is composed of more than 30 terpenoids and their derivatives. Its main components are geraniol (geraniol), citronellyl (citronellyl), linalool (linalool), citronellyl formate (citronellyl), geraniol formate (geraniyl) and menthone (mint). Geranium oil can be used as a substitute for rose oil, for the preparation of essence, as food, soap and toothpaste additives.

Genetic behavior of flower color or leaf spot could help to establish genetic model of aroma components in geranium. The aroma components of Pelargonium geranifolium L. were analyzed by gas chromatography mass spectrometry (GC, MS, GC/MS). Genetic behavior was deduced from these results, and the correctness of the model was verified by controlling cross combinations. The purpose is to provide material selection for future cross breeding, or to find out special components from aroma as variety identification of geranium.

In general, geranium is not toxic, but the particles emitted by geranium can make people allergic to skin itching, and it is advisable not to use it during pregnancy.

The cultivation method of geranium:

1, soil: geranium requirements fertile drainage good soil, potting soil available humus soil, chaff ash, garden soil 1/3, and then add a small amount of calcium superphosphate mixed evenly.

2, watering: geranium drought resistance, fear of water. Therefore, in the process of growth, should be in line with: "dry not irrigation, irrigation is poured thoroughly, rather dry not wet", appropriate control of water. Too much watering, pot soil moisture content is too large, will cause excessive growth or rotten roots. Spring and autumn growth and flowering exuberant, can be appropriate more watering, but also should keep the pot soil moist as appropriate. Winter temperature is low, plant growth is slow, should try to water less.

3, light: Geranium origin in South Africa, like sunny, warm, well-ventilated environmental conditions. In spring and early summer, when the light is not too strong, the flowerpot can be placed in a place with sufficient light to receive sufficient light, but in the hot season of early summer and autumn, it should be placed in a shaded place to avoid direct light, otherwise, the branches and leaves will be burned.

4, temperature: growth temperature is 15-25 degrees, not resistant to high temperature, poor growth in summer.

5, fertilization: in the cultivation, in addition to the application of sufficient base fertilizer, in the growing season, especially in the flowering period, can be applied every 7-10 days 1 thin liquid fertilizer. It is better to dilute with decomposed livestock manure and water, or to irrigate with decomposed cake fertilizer water. 3-5 days before fertilization, less or no watering, watering when the pot soil is dry, it is more conducive to root absorption.

6, pruning: in order to make the plant shape beautiful, more flowers, in the spring if the plant grows too prosperous, can be thinned pruning. After flowering, cut off residual flowers and over-dense branches in time. Dormancy period is also a pruning, cut off yellow old leaves, thinning over dense branches, too long branches for short, in preparation for dormancy period, new branches, continue to bud flowering. In addition, geranium itself has a special smell and rarely suffers from pests. There is no need for prevention.

The price of geranium essential oil

Geranium is an excellent herbal flower, it is the most popular in the perfume world, so it is made into essential oils, etc., drop of geranium essential oil, will make people feel comfortable As for the price of geranium, generally speaking, as long as dozens of yuan can buy a bottle, of course, some high-end essential oil products, that price is hundreds of yuan.

Afu/Afu Pelargonium Essential Oil 10ml Price: ¥238.00

Isilandon Pelargonium Essential Oil 10ml Price: ¥129.00

British AA net essential oil Pelargonium essential oil 10ml Price: ¥79.00

AFU Avu Pelargonium essential oil 10ml Price: ¥188.00

Mei Shan Tang Pelargonium Essential Oil 10ml Price: ¥219.00

Qizilan Certified Pure Plant Pelargonium Essential Oil II 10ml Price: ¥185.00

Florihana Rose Pelargonium Essential Oil 5g Price: ¥192.00

Is geranium poisonous? Through the above introduction, I believe everyone can understand that geranium is not toxic, but it causes allergic reactions in some people, so if you have allergies to geranium, don't use it. For more information about indoor plants, please follow the flowers section.

How to cultivate geranium price geranium pictures

Related reading recommendations Reed pictures Family flower cultivation Rose flowering Luoyang peony pictures () Flower bonsai, plant cultivation Please pay attention to the beautiful Lele flower bonsai area!... Geranium because stems, leaves and flowers contain volatile aroma, can extract geranium oil, because cultivation management is easy and high yield of essential oils, many people like to plant, then geranium how to cultivate it? Today's small series simply introduces how to cultivate geranium and bring you to appreciate the picture of geranium... How to cultivate geranium, geranium requirements fertile drainage good soil, potting soil available humus soil, chaff ash, garden soil each 1/3, and then add a small amount of calcium superphosphate mixed can be. Select 1-year-old branches with strong growth and thick internodes for cuttage planting....... Cuttings can be potted after new leaves grow, giving sufficient light. Topdressing is applied every 10 days during the growth period. Master the principle of "no watering, no watering, no watering". 7-8 In the high temperature season, the leaves are yellow, indicating that the plant has entered a dormant state. At this time, it should be placed in a cool and ventilated place to prevent rain......................................... Geranium is native to South Africa and likes sunny, warm and well-ventilated environmental conditions. In spring and early summer, when the light is not too strong, the flowerpot can be placed in a place with sufficient light to receive sufficient light. However, in the hot season of early summer and autumn, it should be placed in a shaded place to avoid direct light, otherwise, the branches and leaves will be burned.... How to cultivate geranium, geranium drought resistance, fear of water. Therefore, during the growth process, water is properly controlled. Too much watering, pot soil moisture content is too large, will cause excessive growth or rotten roots. Spring and autumn growth and flowering exuberant, can be appropriate more watering, but also should keep the pot soil moist as appropriate. Winter temperature is low, plant growth is slow, should try to water less. Geranium in cultivation, in addition to the application of sufficient base fertilizer, in the growing season, especially in full bloom, can be applied every 7-10 days 1 thin liquid fertilizer. It is better to dilute with decomposed livestock manure and water, or to irrigate with decomposed cake fertilizer water. 3-5 days before fertilization, less or no watering, watering when the pot soil is dry, it is more conducive to root absorption. In order to make the plant shape beautiful, more flowers, such as geranium in spring growth too prosperous, can be thinning pruning. After flowering, cut off residual flowers and over-dense branches in time. Dormancy period is also a pruning, cut off yellow old leaves, thinning over dense branches, too long branches for short, in preparation for dormancy period, sprouting new branches, continue to bud flowering. In addition, geranium itself has a special smell and rarely suffers from pests, so there is no need to control it. Geranium stems, leaves and flowers contain volatile aroma, can extract geranium oil, its main components are geraniol, rose alcohol, citronellol, linalool, etc., generally sold on the market are geranium essential oil, often used as cosmetics, the price of several hundred yuan a kilogram, while the price of plant geranium is not expensive, seedlings more than one yuan a plant, potted geranium price as long as more than ten yuan... Geranium can decorate rock garden, flower bed and flower boundary, potted plant can decorate living room, living room, meeting place and other public places, very suitable for family planting. Today's Xiaobian on how to cultivate geranium and geranium price introduction here, thank you for accompanying Xiaobian to appreciate geranium pictures.