Edible Plants of the World

Bulb onion

Bulb onion

A temperate plant. It is more easy to get onions to grow and form bulbs in the highlands in the tropics but they can be grown from sea level to 2600 m altitude in Papua New Guinea. In Nepal they grow to 3000 m altitude. They do not suit the wet humid tropics. Because the day lengths are short near the equator, onions often do not produce a bulb. Some newer varieties will yield in the tropics. It plant grows best at 12-21°C and the bulb forms best at 15-25°C. It grows best with a pH 5.7-6.6. It suits hardiness zones 5-10.

Also known as:

Albasa, Anyezi, Basal, Bawang, Besalim, Butungulu, Cebola, Cebolla, Cebula, Chivannaulli, Cibule, Cipolla, Dungari, Irulli, Kanda, Kuchen zweibel, Kywtthun-ni, Luk, Mangafaka, Nirulli, Oignon, Palandu, Piyaz, Pyaj, Pyanj, Pyaz, Sogan, Sybo, Talap, Tamanegi, Tongolobe, Tschong, Ulligaddalu, Ullikadalu, Vengayam, Yang cong, Yangpa

Synonyms

Edible Portion

Where does Bulb onion grow?

Found in: Afghanistan, Africa, Albania, Amazon, Angola, Argentina, Armenia, Asia, Australia, Austria, Azerbaijan, Bangladesh, Benin, Brazil, Britain, Brunei, Burkina Faso, Cambodia, Canada, Caucasus, Central Africa, Central America, Central Asia, China, Congo, Cook Islands, Costa Rica, Côte d'Ivoire, Cuba, East Africa, East Timor, Ecuador, Egypt, Fiji, Finland, FSM, Gabon, Georgia, Ghana, Greece, Guam, Guyana, Haiti, Hawaii, Himalayas, India, Indochina, Indonesia, Iran, Iraq, Ireland, Italy, Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Korea, Kyrgyzstan, Lithuania, Macedonia, Madagascar, Malawi, Malaysia, Marshall Islands, Mexico, Micronesia, Moldova, Myanmar, Nauru, Nepal, Netherlands, Nicaragua, Niger, Nigeria, North Africa, North America, Northeastern India, Pacific, Pakistan, Papua New Guinea, PNG, Peru, Philippines, Pohnpei, Poland, Romania, Russia, Saudi Arabia, Scandinavia, SE Asia, Senegal, Serbia, Sikkim, Slovenia, Somalia, South Africa, Southern Africa, South America, South Korea, Spain, Sri Lanka, Sudan, Switzerland, Tajikistan, Tanzania, Tasmania, Thailand, Timor-Leste, Tonga, Turkey, Uganda, Ukraine, Uruguay, United States, Uzbekistan, Vanuatu, Vietnam, West Africa, Zambia, Zimbabwe

Notes: There are about 300-700 Allium species. Most species of Allium are edible (Flora of China). All alliums are edible but they may not all be worth eating! They have also been put in the family Alliaceae.

Status: In Papua New Guinea, it is not widely grown but is popular and imported for sale. It is a commercially cultivated vegetable.

Growing Bulb onion

Cultivation: They are grown from imported seed. For bulbs, a tropical cultivar is needed and bulbing is normally better at higher altitudes. Cultivars which form flowers early need to be avoided. Seedlings can be transplanted.

Edible Uses: The bulbs and leaves are used as flavouring raw or cooked. The flowers are crushed and eaten.

Nutrition Info

per 100g edible portion

Edible Part Energy (kcal) Protein (g) Iron (mg) Vitamin A (ug) Vitamin c (mg) Zinc (mg) % Water
Leaves - 1.4 0.5 49 - 0.5 90
Bulbs raw 24 0.9 0.3 0 10 0.1 92.8
Bulbs boiled 13 0.6 0.3 0 6 0.1 96.6
Bulbs - - - - - -

Bulb onion Photos

Bulb onion

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