Seeds of Allium giganteum, giant purple flowers Allium giganteum is one of the largest and most spectacular flower onion varieties that exist, it is medicinal and very ornamental. Gives quite a good edible bulb (onion) and purple umbellate-shaped flowers that are quite attractive to insects. Like almost all garden plants, it can be sown very well in a seedbed with a good soil to sow in a sheltered place, then when it has two or three pairs of leaves it can be transplanted to its final place, which must be sunny.
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