Hydrangeas


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use

Hydrangeas are suitable for semi-shady group plantings under larger trees in the cottage garden or cottage garden. They form a quiet counterpoint to the light-hungry roses in the gardens. Even for narrow planting strips on the house you can use them well, if the location is not full sun and somewhat protected. Hydrangeas are also very popular as container plants for terraces and balconies. Due to their high water demand, they should be placed on a shady spot on the terrace and watered daily.

In half-shady flowerbeds, hydrangeas can be combined well with boxwood and various shadow shrubs, such as the hornets (Hosta), the star umbels (Astrantia) or the astilbe. Even with shade grasses, the plants complement each other well. Its flowers are a beautiful vase jewelry and also as dry bouquets extremely decorative.

Panicle hydrangea hydrangea

Flowering panicle hydrangea (Hydrangea paniculata)

To cut

The cutting of hydrangeas depends on the growth behavior of the plants. In the case of the peasant and plate hydrangea, which plant their flower buds in the previous year, only the frozen shoots and old inflorescences are cut in early spring. In addition, you can shred the shrubs if necessary, even more. Ball hydrangeas and panicle hydrangeas do not form buds until spring at new sprouts. With them you can just trim all flowering shoots from the previous year down to two eyes. The plants react to the strong pruning with a particularly vigorous budding and large flowers.

Hydrangea flowers with glycerin preservable

Hydrangeas transform the summer garden into a sea of ​​flowers with their intense colors. Unfortunately, during normal drying, flowers often lose much of their color and become brittle. With a little trick, they hardly discolour and the petals remain supple.

You will need 100 milliliters of glycerine from the pharmacy or drugstore, 200 milliliters of water, a jar and a knife. Cut the stems of the hydrangea fresh and slightly diagonally, so that the largest possible surface for liquid absorption arises. Then mix the glycerin with the water and put in the hydrangeas. The stems now pick up the mixture and store it in the flowers. The water evaporates leaving the preserving glycerin behind. Once you make out small glycerine beads on the inflorescences platelets, the process is complete and you can let the hydrangeas either hang in the vase or hang them upside down. The result is a very decorative and durable hydrangea flower.

winter protection

Most peasant and plate hydrangeas freeze more or less in cold winters. However, the loss of the whole plant is very rare - usually the shrubs drift off well in the spring after a pruning. In case of persistent Kahlfrost, it makes sense to cover the plants with some fir-spruce or a winter fleece.

In pot hydrangeas, you should protect the planters in the autumn with coconut mats or in a wooden box with bark mulch before freezing and wrap the crown in fleece. A sheltered, shady place on the terrace - as close as possible to a house wall - is required.

Climbing photos Hydrangea

Climbing Hydrangea (Hydrangea petiolaris)

further care tips

When hydrangea care should know the following: The flowers of some varieties of peasant and plate hydrangea change depending on the soil reaction their flower color: at higher pH values, they bloom pink, at low blue. For a strong blue flower color, the pH of the soil usually has to be 5. The more acidic it is, the more aluminum ions the plant can absorb - they are responsible for the blue flower color. In order to support the blue coloration, the hydrangeas are watered once a week with rainwater during the development of the flowers, in which three liters of aluminum sulfate (alum, available in pharmacies) have been dissolved per liter. In the garden trade, combination preparations are available, which contain not only alum but also fertilizer.

proliferation

All hydrangeas can easily be multiplied by cuttings in early summer. As a rule, they form the first roots after only two to three weeks. Species that bloom on the new wood are also good for propagating latewood in late winter.

Diseases and pests

Powdery mildew, gray mold and leaf spot diseases are the most common fungal diseases. In addition, some virus diseases can occur, but are much rarer. Potted plants are susceptible to scale insects, outdoor plants are occasionally attacked by aphids and weevils. Snails can also be a problem in partially shaded, damp locations in young plants.

At a glance - infographic hydrangeas

Hydrangea infographic plant portrait

Hydrangeas are an asset to any garden. The flowers are wonderful for decoration (eg dried or fresh bouquet). Care, editing, propagation or flowering - With this infographic, Mein offers you the most important information at a glance. PS: Also available in our shop

Video Board: How to Choose and Plant Hydrangeas - This Old House.

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