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the Erysimum helveticum should be grown in a bright place, with direct sunlight. These plants lose the aerial part during the coldest months of the year. As spring begins, stems and leaves quickly start to reproduce.The the Erysimum helveticum should be grown outdoors; it can bear very harsh temperatures without any problems, even many degrees below zero.
Generalities Erysimum helveticum
These plants give origin to a brush with a rounded form. The Erysimum helveticum Is small in size; in spring it assumes a yellow colouring. These are evergreen plants, which means they keep their leaves year round. The Erysimum helveticum is a plant for a rock garden.
Fertilization Erysimum helveticum
We suggest adding to the irrigation water, in the spring, every 20-25 days, a specific fertilizer for flowering plants. We can also mix to the soil near the plants a granular slow release fertilizer, which has a 3-4 month action.
Watering Erysimum helveticum
Water rarely, about once every 1-2 weeks with 2-3 glasses of water , keeping the soil dry for a few days before watering again; when wetting we suggest avoiding surpluses, however to wet the soil deep down. Perennial plants are subject to some months of vegetational rest. During these months it isn't necessary to water them.
Treatments Erysimum helveticum
Generally during this time of year we suggest a pre-emptive treatment with wide range insecticide and with a systemic fungicide, to prevent the attack from part of the aphids and the development of fungus diseases, often favoured by a mild and damp climate.
Soil Erysimum helveticum
We suggest a substratum characterized by an excellent drainage.
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Notes Erysimum helveticum
The Erysimum helveticum also has a pleasing fragrance; the development of these plants allows to also grow them in a container. The indications given in this article are related to a medium size plant.
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This page concerns the weather continental it is possible to choose another climate area alpine mediterranean