For good growth and lush flowering hydrangeas need a fertile, friable, and most importantly - a mildly soil (pH 5.5), because during the years of the evolution of its root system is adapted to absorb nutrients from aggressive environment. When insufficient natural acidity of the plant ceases to bloom to be sluggish and may be ill chlorosis, an indication of which - yellowing of leaves.
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For soil acidification during landing make it the needles (in t. H. rotted), brown peat, mulch with peat, sawdust or bark pine. A spring and early summer - when forming green mass and budding apply physiologically acidic fertilizer (Na ammonium, potassium sulfate, urea), and custom - yogurt, bread crusts infusion of vinegar and other means that there is always a house. Despite its simplicity, they act quickly and bring great benefit to hydrangeas.
Before using the feeding bush should be well watered (in an adult would take at least 10 liters of water). The best time for the procedure - morning or evening. Many gardeners, changing the acidity of the soil, seeking change flower color.
Kefir
Hydrangea responsive to feeding of lactic acid. To prepare the fertilizer, kefir, yogurt or serum diluted in water at a ratio of 1: 5, and then the bush is sprayed on the leaves or the roots make dressing 1 every 2 weeks during the growing season. Lactic acid bacteria also help to cope with hydrangeas fungal diseases.
Citric acid and apple vinegar
To feed hydrangea in 10 liters of water is added:
- 2 tbsp. l. citric acid, it is first dissolved in a small amount of warm water;
- or 100 ml of apple vinegar.
One way or another solution to water the plants after 15-20 days. Synthetic vinegar are not recommended, t. To. He destroys the soil microflora.
permanganic acid
Crystals of Mn dissolved in a small amount of warm water. From the resulting concentrate is prepared slightly pink solution. They hydrangea watered 3-4 times per season, and by the roots and crown, consuming up to 10 liters per 1 bush. Potassium permanganate helps:
- increase the number of inflorescences;
- strengthening and flexibility of the stems;
- soil decontamination.
Watering the plant is better in the evening. It is important to follow the dosage: too saturated solution can burn the leaves and roots. A frequent watering potted hydrangeas potassium permanganate destroys the soil microflora.
Watering permanganate solution makes the color pink shade brighter.
bread crust
To prepare hydrangea dressing of the dried bread comprising rye flour (black or gray):
- Crusts poured with water so that it is closed over them, or put pressure tight lid is closed and put in a warm place to accelerate the fermentation process.
- After 1-3 days the infusion is filtered and the bread is ground to a pulp.
- 2L infusion combined in 8 liters of water.
- Under every bush you must pour 1-1.5 liters of fertilizer.
Corky is not necessary to pre-dry a little in the oven.
Yeast belonging to the bread, helps the plant to build up a lot of green, accelerate the formation and growth of the root system. Therefore, this fertilizer is used, if after the winter hydrangea looks lifeless - it does not appear the leaves and branches are dry and brittle. Obkopat bush must be to a depth of 10 cm and pour in the ditch 1 bucket of manure. If the plant is severely damaged by frost, it will bloom until the following year.
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Read more: How to grow hydrangea