Allium giganteum Regel (scientific name: Allium giganteum Regel) is a perennial bulbous flower belonging to the family Liliaceae, with fleshy root bulbs and an onion flavor. The leaves are clustered, gray-green, long lanceolate, umbels, head-shaped, flowers, fruits and seeds are densely born at the top of the flower, small flowers are purple-red, with long stalks, round seeds, black.
Morphological characteristicsPerennial herb, scape grows from the bulb base, and the exposed part is covered by leaf sheaths or bare; the leaves are clustered, gray-green, long lanceolate, entire, 60 cm long, 12 cm wide, 7-12 pieces, 3-4 Wheel arrangement.
The flowering bulb weighs about 30 grams, has a diameter of about 3 cm, and grows 80-90 fibrous roots. The umbels with dense flowers, fruits and seeds are head-shaped, and are inserted at the top of the flower statue. The flower tan is drawn from the leaves and is as high as 12.5 cm. The inflorescence is composed of 2000-3000 star-shaped flowers. The inflorescence is as large as a head and has a diameter. Up to 18 cm, hence the name. Its flower color is purple-red, colorful, small purple-red, with long stalk, 6 petals, arranged in two rounds.
The fruit is round, black, and weighs 4.18 grams per thousand seeds. A single inflorescence can produce more than 80 mature seeds under natural pollination conditions. Flowering in spring and summer.
Growth environmentSex likes a cool and sunny environment, avoid damp heat and rain, avoid continuous cropping, half shade, suitable temperature 15-25 ℃, require loose and fertile sandy loam, avoid standing water.
Sowing method1. In autumn, from mid-September to late October, prepare for sowing. The emergence rate of the seeds of Chinese onion is relatively good, the top soil performance is good, there is no strict choice of soil quality, loess clay can be used, but the emergence rate of sandy soil may not be too ideal. Here, choose a large area of sunny, breathable and soft garden soil, first turn the soil to keep the soil level. Use four or five catties of seeds per acre.
2. Use the method of spreading. Wet the fine sand, stir it with the seeds, mix well, and spread the seeds on the soil without burying them too deeply. Because of the choice of sowing methods, it is best not to operate in windy weather.
3. After sprinkling, cover with a thin layer of soil, and use your hands to move the surrounding soil over, and finally do not exceed 4 cm. Then irrigate, and the water should not be washed directly to avoid washing away the seeds. It takes about one week to ten days to sprout.
4. Sowing seedlings takes about 5 years of cultivation to bloom
Main valueThe flower ball of the large flower onion gradually increases with the opening of the small flowers. The blooming inflorescence can reach 20 cm in diameter. The large and peculiar inflorescence of the large flower onion has bright and bright colors. In addition, its blooming period can last for nearly 20 days, which is ornamental. value.
The large flower onions can be planted in flower borders, beside rocks or in lawns as ornaments, and can also be used as materials for cut flowers with specific flower shapes and used in floral works.
Note:
1. Due to the packaging of the machine, please allow a small amount of error in the number of seeds. Please make sure you don't mind before bidding.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.