2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Large-leaved hydrangea (lat. Hydrangea hortensis) - flowering ornamental shrub; a representative of the genus Hortensia of the Hortensia family. Another name is garden hydrangea. The homeland of the plant is China and Japan. The species is found in limited quantities on Sakhalin.
Characteristics of culture
Large-leaved hydrangea, or garden - deciduous shrub up to 4 m high with a wide spreading crown and branches drooping under the weight of inflorescences. Young shoots are green, herbaceous, lignified by the next year. The leaves are large, dense, bright green, ovoid, pointed at the ends. With the arrival of cold weather, the foliage becomes reddish-bronze.
The flowers are white, pink, lilac or blue, collected in lush clusters or spherical inflorescences, reaching a diameter of 10-25 cm. Inflorescences of the garden form "Changeable" change color depending on the soil. For example, on fertile, slightly acidic soil, the flowers are pink, on acidic soil, blue. The culture blooms from July to September - October (subject to careful care and favorable climatic conditions).
Large-leaved hydrangea blooms at the ends of annual shoots, and most often the formed upper buds of last year's shoots. The species does not differ in winter hardiness, withstands frosts down to -18C (if there is a good shelter). For this reason, in Russia, shrubs are grown only in the European part, but even in such conditions, plants need shelter. Without it, the shrubs have no chance of surviving.
Growing conditions
Large-leaved hydrangea, or garden, is ranked among light-loving plants. To ensure active growth and abundant flowering, it is important to observe this condition. Planting crops in weakly shaded areas with diffused light is not prohibited. It is better to exclude direct sunlight, this can lead to late flowering and loose inflorescences. It is undesirable to plant shrubs near tall trees, since the latter take most of the moisture from the former, which enters the soil during irrigation or precipitation.
Hydrangea also has special requirements for soil conditions. Water and air permeable, slightly acidic, with a high humus content are preferred. Growing in alkaline soils is possible, but usually leads to chlorosis of the leaves. The culture will not tolerate the presence of lime in the soil. Large-leaved hydrangea is sensitive to soil moisture, therefore, with a lack of rainfall, regular watering is required. A soil mixture consisting of leafy soil, high-moor peat and rotted compost is optimal for the species under consideration.
The subtleties of growing
Large-leaved hydrangea, or garden, is an adherent of loose soils, so the soil at the foot must be regularly loosened. It is also important to systematically remove weeds that can take a lot of nutrients from plants, which will negatively affect growth and flowering. Mulching the foot will eliminate the above procedures, as well as retain moisture in the soil for a longer period. Sawdust, compost, pine needles, peat and other natural materials can be used as mulch. It is recommended to apply a layer of mulch immediately after watering.
Watering is carried out 2 times a week (10 liters of water per bush), with insufficient precipitation and prolonged drought, watering is increased up to 3 times a week. Water for irrigation should be used rainwater, but if there is none, then settled soft. It is undesirable to use cold tap water. Pruning is an equally important procedure for caring for hydrangeas. Only young plants need pruning of pagons; adult bushes do not need such a procedure.
Shrubs from the age of three years are subjected to the removal of old stems, this approach stimulates the formation of new strong shoots. Removal of wilted flowers is carried out next spring, since in winter they will serve as additional protection for flower buds. Plants are covered in October, closer to winter, the plants are wrapped in a film cover. The foot of the bush is spud with a thick layer of foliage or peat. With the onset of heat, the shelter is removed.
Varieties
Large-leaved hydrangea has many varieties that differ in the shape and color of the inflorescences. Some varieties, as already mentioned, are capable of changing color depending on the acidity of the soil. Currently on sale you can find varieties that are characterized by frost-resistant properties, these include: Blashing Bride, White Ball, Bailmer, Forever & Ever, Endless Summer, You & me, Expression, Romance. Some of the listed varieties are distinguished by double inflorescences.
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