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If necessary we can extract the bulbs from the ground, during the vegetative rest; after letting them dry we should place them in a cool, dry and dark place. During the most indicated season we can plant them again. the Imperial fritillary should be grown in a bright place, with direct sunlight.The the Imperial fritillary should be grown outdoors; it can bear very harsh temperatures without any problems, even many degrees below zero.
Fertilization Imperial fritillary
Bulbous plants use nutritious substances stored from the previous year for their flowering ; this is why usually the soil should be enriched, during planting, with a slow release or organic fertilizer. Later we must fertilize with a specific fertilizer for bulbous plants, every 15-20 days, starting from the moment in which the first flowers are withering.
Generalities Imperial fritillary
These plants give origin to a brush with a rounded form. These plants have trunks or roots which store nourishment, originating bulbs or tubers. The Imperial fritillary is large in size and 1,5 m in height; in the spring it assumes a orangered colouring. These plants aren't evergreens, which means they lose their leaves some months during the year.
Watering Imperial fritillary
Water rarely, about once every 1-2 weeks with 1-2 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. These plants don't need too much water; staying in a soil which is too damp, can easily cause the development of rotten in the bulbs.
Treatments Imperial fritillary
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 Imperial fritillary
Locate in a deep and dissolved soil, with an accentuated drainage.
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Notes - Imperial fritillary
When wanted we can grow these plants in a vase. 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