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These plants are bulbeous. The Allium giganteum has a panel-like development, therefore it tends to widen very much. This plant in the summer assumes a purple colouring; it is large in size and can reach 2 m high. It doesn't keep its leaves in the winter.
Temperatures Allium giganteum
Let's grow the The Allium giganteum in a luminous place, with direct sunlight. These plants don't like the cold weather during this time of year. If the minimum night-time temperatures are very harsh it is best to cover the The Allium giganteum with non-woven fabric.If you desire cleaning the ground from the bulbous plants after flowering, wait for the leaves to dry; later it’s possible to take the bulbs out of the ground and place them somewhere dark, cool and dry, until the best season to plant them again.
Irrigation Allium giganteum
We suggest watering the The Allium giganteum every 1-2 weeks with 1-2 glasses of water , which means when the soil has been dry for days; if the season should be very hot and arid we can intensify the quantity of irrigations, although we must avoid leaving the substratum soaked with water. 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.
Adversity Allium giganteum
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.
Substrate Allium giganteum
Let’s favour soft soils, with an elevated drainage.
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Cultivate Allium giganteum
If desired, we can grow the The Allium giganteum 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 continental mediterranean