Irrigation of surfinia

During the summer season, and especially if there is a particularly dry period, the surfinia must be watered once a day; it is important to use water low in limestone, preferably demineralized. If, on the other hand, rainfall is frequent, irrigation should be limited, so as not to provide the plant with an excessive amount of water that could cause annoying stagnations: the latter very often cause rot, and are the cause of weakness and fungal diseases. Furthermore, care must be taken not to wet the leaves and flowers, but always directly the root area. For this purpose, we suggest drip irrigation, which allows you to water the soil avoiding the most delicate parts of the plant, and also allows enormous savings.

Advice for care and cultivation

This plant needs soil that is soft, light, well-drained and fertile. The multiplication takes place by sowing: the seeds, in the winter period, must be planted in a seedbed, and after a few months it will be possible to transplant the seedlings inside individual containers or in the open ground, in the garden. At the time of planting it is very important to mix a few handfuls of manure or other organic products with the soil, providing the plant with the substances it needs for initial development. As for pruning, it is recommended to limit yourself to cutting the tops of the stems at the end of the summer season: the operation, in fact, takes the name of topping. It is essential to use clean and sharp tools, essential to avoid infections.

How and when to fertilize

A first fertilization of the surfinia takes place at the moment of implantation, with natural substances such as, for example, manure. Fertilization, subsequently, can be carried out in two ways: by integrating liquid fertilizer for flowering plants with the watering water once a month, or by administering to the specimen a slow release granular product three or four times a year. In the latter case, care must be taken to choose a fertilizer that adequately balances potassium, phosphorus and nitrogen, also on the basis of the chemical composition of the soil. Nitrogen must never be overabundant, since it is an element that stimulates the growth of the vegetative parts: if excessive, the plant would undergo a progressive condition of weakness.

Surfinia: Parasites and diseases

The ideal exposure for this plant is in full sun or, at most, in partial shade; it is essential that the cultivated specimen is placed in a position sheltered from bad weather. Furthermore, late frosts are feared. Infestations of parasites such as aphids and red spider mites can occur, which cause serious damage and can be eradicated with some natural products, including garlic infusion and nettle macerate. Aphids are phytomitic insects which, by sucking the sap, cause perforations in the foliage and shoots; the red spider mites cause the formation of bronze-colored spots and necrotic areas on the leaves. In case of excessive humidity, annoying fungal diseases such as root rot can occur, which can be counteracted with fungicide products.

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