How to raise hydrangeas in Saxifragaceae? Introduction of culture methods and matters needing attention, florescence, flower language and breeding methods

Hydrangea, also known as eight Immortals, Ziyang Flower, Seven changes, Hydrangea, Noodle Flower, the flower shape is plump, large and beautiful, its color can be red and blue, pleasing to the eye and spirit, is a common potted ornamental flowers and trees. What are the breeding methods and matters needing attention of hydrangea? let's learn about it:

Basic information of hydrangea

Hydrangea, a plant of the genus Hydrangea of Saxifragaceae, is native to Sichuan and Japan. It is a deciduous shrub of the genus Hydrangea (scientific name: Saxifragaceae). The flowers are almost asexual, and the so-called "flowers" are just sepals.

Hydrangea was cultivated earlier in China, and hydrangea was planted in the gardens in the south of the Yangtze River built in the Ming and Qing dynasties. The park built at the beginning of the 20th century is also inseparable from the planting of hydrangea. Modern parks and scenic spots are planted in pieces to form a landscape. Artificially cultivated hydrangea flowers are colorful, with blue, white, purple, pink, pink and other colors, is a common ornamental flowers and trees.

Culture method of Hydrangea

1. Soil: hydrangea likes slightly acidic soil rich in humus and good drainage, this kind of soil contains organic fertilizer, which can be beneficial to the growth of hydrangea. When choosing soil, it is recommended to choose soil rich in humus.

2, temperature: first of all, we need to understand the growth temperature of hydrangea, the general growth temperature of hydrangea is 18-28 ℃, winter temperature is not lower than 5 ℃, 20 ℃ temperature can promote flowering growth, so we also need to meet the temperature requirements, so it can be conducive to the growth of hydrangea.

3, moisture: Hydrangea grows under the condition of sufficient fertilizer and water, which can make hydrangea grow faster, and hydrangea also likes sufficient water, but it is not easy to water too much, generally in summer, under hot weather conditions, you can spray some water on the leaves and on the ground, which is conducive to maintaining the humidity of the air.

4. Fertilization: generally, in the vigorous growth stage of hydrangea, we need to give sufficient nutrients to hydrangea, and we can apply rotten thin cake fertilizer every half a month, so that it can promote the growth of hydrangea. It can also make the flowers of hydrangea bigger, which is conducive to growth.

5. Illumination: Hydrangea grows slowly in winter, so it needs an appropriate amount of light time in winter. It is suggested that hydrangea can be placed on the balcony and given an appropriate amount of light time to promote the growth of hydrangea. At the same time, if the sun is too strong in summer, it is recommended to put it indoors for cultivation.

6. pest control: hydrangea mainly includes wilt disease, powdery mildew disease and leaf spot disease. Spray control with 65% Dysen zinc wettable powder 600 times solution. Insect pests are harmful to aphids and bug bugs and can be sprayed with 1500 times of omethoate EC.

Matters needing attention in hydrangea culture

1. Fertilizer application: the flowering period of hydrangea is from June to July, the fertilizer and water should be sufficient during the flowering period, and fertilize once every semimonthly.

2. Watering: the potted soil planted with hydrangea should be kept moist, but it should not be watered too much, especially in the rainy season to prevent rotting roots caused by waterlogging. It is better to dry indoor potted plants in winter. If it is too wet, the leaves will rot easily.

3. Pruning in time: after Hydrangea blossoms, attention should be paid to the removal of flower stems to promote the production of new branches. Proper pruning can keep the plant shape graceful.

4, pot soil replacement: potted hydrangea, generally turn the pot to change soil once a year. It is appropriate to turn the basin and change the soil in the first ten days of March. When changing pots, it is necessary to prune the roots of the plant, cutting off rotten roots, rotten roots and overlong roots. After the plant is moved into the new pot, the soil should be compacted, watered and placed in a shaded place for about 10 days, and then moved outside for normal management.

[tip] after hydrangea enters the winter, the plants cultivated in the open field should keep warm and keep them safe through the winter. Potted plants can be placed in a warm place facing south to the sun and without cold wind. Although the dead leaves fall off in winter, the roots and branches still survive, and new leaves sprout in spring.

Propagation method of Hydrangea

Main points of propagation: Hydrangea is commonly propagated by cutting, ramet, striping and other methods, which can be carried out during the plum rain in early spring.

1. Ramet: ramet propagation should be carried out before sprouting in early spring. Separate the rooted branches from the mother plant, pot directly, watering should not be too much, maintain in the semi-shady place, wait for new buds to sprout and then transfer to normal maintenance. Striping propagation can be carried out during bud germination, grow after 30 days, cut off from the mother plant in the following spring, transplant with soil, and blossom in the same year.

2. Striping: when the bud germinates, it can grow after 30 days, cut off from the mother plant in the next spring, transplant with soil, and blossom in the same year.

3. Cutting: cuttings are mainly cuttings. Strong twigs on young mother trees can be selected as cuttings during the Meiyu period. The cuttings need nodes at the base of cuttings and are stained with mud. The length is about 20 cm. Pick the lower leaves. The suitable temperature of cutting is 13-18 ℃, shade is needed after cutting, it is often kept moist, rooting takes place in about 15 days to 1 month, and it can be transplanted in the second year after survival.

Pest control: hydrangea is mainly caused by wilt, powdery mildew and leaf spot. Spray control with 65% Dysen zinc wettable powder 600 times solution. Insect pests are harmful to aphids and bug bugs and can be sprayed with 1500 times of omethoate EC.

Hydrangea does not like the sun, is shade-resistant flowers and trees, can be potted and arranged in the hall, study and so on as indoor viewing.

When is the flowering time of hydrangea?

1. Flowering time of hydrangea: hydrangea blossoms in the last ten days of May to July every year.

2. The flowering period of Hydrangea is about 25 days.

Why does the design and color of hydrangea change?

Due to the different pH of the soil or medium in which hydrangea is planted and the organic fertilizer or nutrient solution applied, the flowers will produce different colors and change with the change of pH in the soil or medium. Design and color generally change from dark to light, that is, from lavender, blue to water red, or even white.

The flowery language of hydrangea

Gifts to: friends, colleagues, family.

Flower words: hope, loyalty, eternity, happiness, reunion.