Tips

Shrub peony

Irrigation

It is very important to guarantee this plant an adequate supply of water if prolonged periods of drought occur, especially during the summer season; on the contrary, if the rains are constant, it is not necessary to wet the ground further. Excessive humidity could, among other things, cause water stagnation, which in turn frequently causes root rot and dangerous fungal diseases. It is therefore necessary to regulate watering on the basis of the time of year and the trend of rainfall: it is essential, in any case, to let the soil dry between one operation and the next, so that it is never impregnated with water. ‘water. For this purpose it can also be useful to integrate a moderate amount of clay or pumice stone with the soil.

Growing tips


The shrub peony requires a deep and well-drained soil; otherwise, it easily adapts to both alkaline and acid soils. The multiplication can occur through sowing, but it is suggested to proceed by cuttings: the planting must take place in special containers, preferably in autumn, and the transplant in the garden or in a larger container can be carried out starting from the following spring. It is essential that the soil is first carefully worked, made softer to favor the development of the still young plant, and freed from any stones and weeds. An abundant pruning is not necessary; we must limit ourselves to cutting the dry branches and eliminating the withered flowers, always using sharp and disinfected tools.

How to fertilize


A first fertilization must be performed at the time of planting, with organic fertilizers rich in nutrients, such as manure or manure; afterwards, every autumn, the operation must be repeated again with natural products, or with slow-release fertilizers specific for flowering plants. It is advisable to carry out a preliminary analysis of the chemical composition of the soil, so as to integrate those elements that are lacking in the soil but without which the plant could not grow properly. The three macro-elements that absolutely must not be missing are nitrogen, phosphorus and potassium: each of them plays an indispensable role, as the first promotes the development of tissues, the second supports metabolism and the third helps the synthesis of proteins. .

Shrub Peony: Exposure, Diseases and Pests


The shrub peony needs a sunny exposure if the climate is temperate, half-shade if the temperatures are excessively high; it is essential to place the plant in a position sheltered from intense winds. Among the rather widespread fungal diseases is gray mold, caused by the Botrytis cinerea fungus and cause of spots on the foliage and deterioration of the flowers and of the whole specimen; to combat it, antibotritis products are recommended, which are more suitable than normal fungicides. Among the parasites, on the other hand, nematodes should be noted, worms that compromise the development of the attacked plant by sucking its tissues and sometimes transmitting viruses: special nematocides are necessary for the treatment, while natural remedies such as decoctions and the infusions.

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