Blue hydrangea is a type of perennial deciduous shrub. His homeland is the countries of Asia. Breeders have bred frost-resistant varieties that will feel great in temperate climates.
This plant is highly decorative, exudes a pleasant aroma and is always in the spotlight on the garden plot. The colors of the flowers are varied, but especially among them the blue representatives stand out due to their uniqueness.
Hydrangea blue is a common name that unites many varieties
Consider the main characteristics of this plant:
- grows as a voluminous bush with a height of 1 to 1,5 m;
- leaves are large, oval, pointed at the end. They have a rich dark green color;
- the main advantage of hydrangea is its inflorescence. They are large, spherical, covered with bright flowers with 4-5 petals;
- the formed buds on the shoots will give flowers only the next year. Therefore, it is important to take care of their health at all times;
- there are many varieties of the plant. When planting on your site, it is important to choose frost-resistant varieties that can grow in temperate climates.
Hydrangea flowers have an interesting feature – they can change color. As the acidity of the soil increases, the rose petals may turn blue. To do this, you need to water them with fertilizers with a high content of sulfur and iron.
Blue flowers – This feature brings together several different varieties of hydrangea that have their own distinctive characteristics. Here are some of the notable representatives:
- Bluebird. Unusual, eye-catching flowers. Their core consists of many small flowers, and along the edges of the inflorescence are decorated with large blue flowers. Color may vary depending on the composition of the soil.
- Endless Summer. Repaired variety, very popular. It forms a rather large shrub, which grows both in height and in width up to 1,5 m. The inflorescences are also large and spectacular, reaching 15 cm in diameter. The higher the acidity of the soil, the richer the blue color of the petals will be.
- Nkko Blue. Differs in the rapid growth of the bush. Blooms profusely for a long time. Ball-shaped inflorescences have a diameter of 15 cm, and some grow up to 30 cm. If the flowers turn out to be white, then the acidity of the soil is low. To fix this and give them a blue color, spray the shrub with aluminum sulfate.
These are just a few of the blue hydrangea species. There are varieties that are completely unsuitable for growing in Russia. When buying, pay attention to the characteristics of the variety.