Allium giganteum Regel (scientific name: Allium giganteum Regel) is a perennial bulbous flower of the genus Allium in the Liliaceae family. The root bulb is fleshy and has a shallot flavor. The leaves are clustered, gray-green, long lanceolate, umbel, head-shaped, flowers, fruits and seeds are densely planted on the top of the flower statue, the small flowers are purple-red, with long stalks, and the seeds are round and black.
It is native to central Asia and is often planted in gardens around the world. The Netherlands is the main bulb exporter. The Beijing Botanical Garden of the Institute of Botany, Chinese Academy of Sciences introduced bulbs from the Netherlands in 1979. This species is a decorative and landscaping variety for flower borders, rock gardens or lawns. The onion inflorescences are as big as a head, hence the name. Its flower color is purple and bright, and it is one of the highest ornamental value among plants of the same genus.
The shape of the onion is very unique when it blooms. The flower is a huge ball with a purple color. Its spider is tall and has a strong ornamental value. It is suitable for planting in large flower ponds in parks and outdoor flower pots in scenic spots. It is very attractive for people to watch, or to be used as a decorative plant in the park.
Scallions like to grow in a sunny environment. There must be enough light, and the flowers can bloom bigger and more colorful. They should be planted in sunny places, and they should be planted in loose, fertile, well-drained sandy soil. Before the termination, the land should be sorted out, weeds and garbage should be cleared, the soil should be plowed and loosened, some fertilizer should be applied, and the soil in the flower pots should be leveled to provide a suitable growth environment, which will be more conducive to flowering