Sweet onion grow and care – 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
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How to grow 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 indoor 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
Categories of growing
Planting Season: Autumn Planting, Spring Planting, Summer planting
Light exposure requirements: Full sun Plants, Part shade Plants
Climates that the plant can grow: Mediterranean Climate, Subtropics Climate, Temperate Climate
Growing speed of the plant: Average growing plants, Fast growing plants
Plant life-form: Deciduous, Evergreen, Geophyte, Herbaceous, Leaf plant, Perennial plant
Plant Uses: Edible plants
Requirements for watering the plant: Regularly water
Hardiness zones: Hardiness zone 10, Hardiness zone 7, Hardiness zone 8, Hardiness zone 9
Ornamental parts:
Leaf color:
Blooming season: Spring flowers, Summer flowers
Flower colors: White flower
Harvest Season: Autumn Harvest, Spring Harvest, Summer Harvest, Winter harvest
Edible Parts: Edible leaves, Edible Roots
Culinary uses: Cooked, Eaten raw, Herbs, Salad, Spices
