Sweet onion growing herbaceous of the genus Allium, Sweet onion is a perennial plant because the vegetative reproduction of the bulbs, the bulb is biennial and grown as annual plant, can grow in mediterranean, desert, subtropical, temperate climate and growing in hardiness zone 7-10

Leaves are narrow and hollow leaves grow in groups linked together.

Flowers small the color is white the flower grow on hollow stem as inflorescence in a umbel shape.

Sweet onion bulb

Bulb not spicy at all the taste is sweet the bulb is made from layers that grow in radial round shape the layers color of the bulb white to yellow

Sweet onion for sale – Seeds or Plants to Buy

Requirements for Sweet onion growing and care:

Mulch, rich soil, well drain soil, free of rocks, nitrogen

What is the best way to start growing?
Plant / Seed / Bulb

Is it necessary to use vegetative reproduction?
No, but possible

Difficulties or problems when growing:
?

Planting season:
Spring, summer, autumn depend on the cultivars

Pests and diseases:
Sweet onion fly, Sweet onion thrips

Pruning season:
All season

How to prune:
Stem of inflorescence

Size of the plant?
Bulb 1-10 cm (0.3-4 inches), leaves 10-50 cm (4-20 inches)

Growth speed in optimal condition:
Medium growing

Water requirement:
Average amount of water

Light conditions in optimal condition for growing:
Full Sun / Half Shade

Is it possible to grow as houseplant?
No

Growing is also possible in a planter /flowerpot / containers:
Yes

Blooming information

Bloom season:
Summer

General information about the flower:
White flowers grow in inflorescence on hollow stem

Thinning the bloom:
Recommend to thinning the stem unless you want the seeds

Pollination is done by:
Bees

Edible leaves

Leaves harvesting season:
Most of the year

How to harvest the leaves?
Two possibility separate leaves or all the leaves of the plant (better all together with the bulb)

Information about leaves:
Leaves are narrow and hollow grow in radial growth, leaves grow in groups linked together

Uses of Sweet onion leaves:
Eaten raw, cooked, spice, herbs

Edible Roots

Information about Sweet onion Bulb:
The bulb is made from layers that grow in radial round shape the layers color of the bulb white to yellow

When to pull up Sweet onion Bulb:
Summer / Autumn

Uses of Sweet onion bulb:
Eaten raw, cooked, spice, salad

Vegetative Reproduction

Vegetative Reproduction Method:
Bulbs

Preferred time for vegetative reproduction:
All year

Time to grow roots in vegetative reproduction:
If the bulb is fully grow, in the beginning of the season it grows the roots

Treatment for vegetative reproduction:
The same as fully grown plants, sometimes more water

Scientific name:

Allium cepa

Blooming Seasons

Edible Parts

Culinary Uses

Flower Colors

Climate

Harvest season

Plant growing speed

Plant life-form

Plant uses

Planting season

Plants sun exposure

Watering plants

Hardiness zone