Onion

Latin Name: ALLIUM

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(841 Ratings)

Plant Type: Herb, Bulb
Description: Leaves all from the top of the bulb, flowers at the top of a leafless stalk, often so many that the inflorescence is a complete sphere.
Uses: Container, Rock garden, Culinary
Origin: Mediterranean, Europe
Environment: Suitable only for a greenhouse
Foliage: No
Flowering: Yes
Season: DG
Fragrant: No
Growing Ease: Requires extra care
Temperature: 40-65°F, 4-16°C
Humidity: Medium humidity
Lighting Needs: Does best in full sunlight coming from the South/West
Planting Depth: Plant the 'bulb' just below the surface (about half of bulb showing).
Soil Type: A GOOD general purpose potting soil (a soil that retains water yet drains well) will suffice. Check purchased soil to see that it is well aerated and add sand or perlite and peat moss if it seems to pack too tightly. Give the plants a chance to settle in before going back to whatever fertilization program has been successful for you. If you want to mix your own take: 1 part garden soil, 1 part coarse sand or perlite, 1 part moist peat or humus (leaf mold) and a light dusting of lime. Always use a pot with a hole.
Watering: Keep the soil evenly moist and reduce water during the winter or dormant season. If you use rainwater, be careful as it could be acidic. Use warm water.
Fertilizer: Feed monthly with a water soluble fertilizer. An alternative is a granular slow release fertilizer if applied annually in the early spring.
Plant Pests: Prone to none Always inspect any new plant for pests before introducing it to your home or greenhouse.
Propagation: Offsets and seeds in the spring. Early summer, Late spring After dividing offsets, pot in the plant's regular potting mix. It is best to propagate seeds in a mixture of moist peat and perlite. Cover the pot and plant with a plastic bag secured by a rubber band to prevent moisture from escaping. Place in indirect sunlight or under a fluorescent light. Repot in its regular mix after it has been growing for a while.
Gardening Tips & Care: Keep in a cool location for best results.
Is Genus: Yes
Flower Color: Pink
Growth Rate: Average
Hardiness Zones: 3a to 10a
Height: 24
Width: 24
Onion picture Onion, ALLIUM
* Example species from this genus

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