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Allium giganteum

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Generalities Allium giganteum
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.

Exposure Allium giganteumSole pieno
Plant which need at least a few hours a day of solar light. During this time of year we shouldn't worry about minimum temperatures, in fact the The Allium giganteum can bear temperatures a few degrees below zero.If you desire cleaning the ground from the bulbous plants after flowering, wait for the leaves to dry; later itís 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.

Watering Allium giganteumTenere asciutto
Letís avoid watering the The Allium giganteum excessively, always leaving the soil dry for a few days between one watering and the other, therefore letís irrigate the substratum deeply every 1-2 weeks with 1-2 glasses of 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.

Treatments 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 arenít 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.

Soil Allium giganteum
Letís favour soft soils, with an elevated drainage.

Climate
peat
sand
Soil
Pumice
Bark
S. Organic
alpine
5
0
4
0
0
1
continental
4
0
4
0
0
1
mediterranean
3
0
4
0
0
1

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Notes 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.

This page concerns the weather continental it is possible to choose another climate area alpine mediterranean

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