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Let’s use a slow release fertilizer, or manure, when planting, mixing the product to the ground; during the spring let’s mix, every 15-20 days, a specific fertilizer for bulbous plants to our irrigation water, starting from the moment in which the first flowers are withering.
Cultivation German iris
These plants are bulbeous. This plant in the spring assumes a white colouring; it is medium in size and can reach 1 m high. It doesn't keep its leaves in the winter. When growing these plants tend to go up, developing very little in width, and they tend to have a columnar development.
Water German iris
We suggest not to exceed with the waterings: if the soil remains damp too long, it can favour the development of rotten in the bulbs. Let's water abundantly, moistening the soil deeply with 1-2 glasses of water , but let's act only when the substratum is dry, leaving it dry even for 1-2 weeks before watering it.
Water German iris
Let's water abundantly, moistening the soil deeply with 1-2 glasses of water , but let's act only when the substratum is dry, leaving it dry even for 1-2 weeks before watering it. We suggest not to exceed with the waterings: if the soil remains damp too long, it can favour the development of rotten in the bulbs.
Pests German iris
As the day-time temperatures rise at the beginning of the spring, it is agreeable to practice a preventive treatment, with a wide-range insecticide, which should be applied when there aren’t flowerings in the garden. Before the buds become too large, it is advisable to also treat them with a wide-range fungicide, to prevent the development of fungal diseases which spread easily when there is an elevated environmental moisture.
Mold German iris
Let’s favour soft soils, with an elevated drainage.
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Plant - German iris
If desired, we can grow the The German iris 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 mediterranean it is possible to choose another climate area alpine continental