hydrangea (hydrangea) / (hydrangea)
Belongs to the family kamnelomkovyh. Fatherland - Japan and China.
General Description : The only indoor-grown species.
Hydrangea macrophylla (Hydrangea macrophylla). The leaves are egg-shaped with serrate margin, 10-15 cm in length. Inflorescences spherical or corymbose, with large marginal flowers (up to 20 cm in diameter). Usually 3-6 flower caps bloom in one bush. It blooms from spring to autumn. The colors of the inflorescences are different depending on the variety - snow-white, lilac, pink, red, purple.
After flowering, pruning is necessary.
Recommendations for the care of the plant Hydrangea:
Illumination : Needs bright but diffused light. During the period of inactivity contain in the dark.
Irrigation mode : During the period of growth it needs abundant irrigation with warm water to the measure of drying out the soil. In winter, watering is very outlandish.
Humidity : In the summer hydrangea needs regular spraying.
In winter, dry essence.
Temperature : Need a cool. In the summer it is better to place in the fresh atmosphere (in the park or on the balcony), it is preferable to bury the pots in the ground. In winter, optimally 6-8 ° C. By the spring you need to gradually accustom to higher temperatures.
Soil: A weak acid reaction is preferred (pH = 5.5). At pH = 4.5, the flowers are made blue.
Recommended soil mash: 1 share of coniferous land, 1 share of peat, 1/2 elements of humus and 1/2 elements of sand.
During the flowering period, it needs periodic supplements with complex liquid fertilizers for flowering plants. In the summer and at the end of winter it is useful to bring in organic matter.
Cultivation : Rooted cuttings from basal shoots with double-three pairs of leaves, without buds. Rooting is produced first in the sand, then in a mixture of peat, leaf soil and sand. Unfortunately, in the indoor environment is rarely successful.
Transplant : Annually later flowering.
Pests : Affected by the scarlet spider mite (in a dry atmosphere, the leaves and stems are woven with spiderwebs).
Sometimes it can be affected by aphids, especially in summer, in the fresh air. Damaged leaves and the tops of the shoots fade and dry.
It is necessary to spray with pesticides (inta-vir, derris, aktellik, fitoverm, etc.)
It is not bad to use folk remedies: tobacco solutions, onion extracts, garlic-soap solutions.
Hydrangea (Hydrangea) - (Hydrangea)