Grown Onion Microgreens?

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Onion Microgreens — Microgreens

109days to harvest

7-14days to germinate

Z5–10USDA zones

Easy to Moderatedifficulty

F1 hybridContainer friendly

Sowing

Soak seeds 12-24 hours, sow densely on growing medium, keep covered until germination begins.

Cultivation

Sun: Full sun (6+ hours)
Water: Light misting 2 times daily, avoid overwatering
Soil: Well-draining soilless mix or seed starting medium
Soil pH: 6.0-7.0
Spacing: Dense planting, 3-4 seeds per square inch
Height: 12-18 inches
Season: Warm season annual

Appearance & flavour

Colour: Deep green with white base
Size: 2-4 inches tall, thin tubular leaves
Shape: Hollow, cylindrical grass-like shoots
Flavour: Mild onion flavor, crisp texture, less pungent than mature onions

In the kitchen

Garnish for soups, salads, omelets, baked potatoes, Asian dishes, cheese plates

Pests, disease & resistance

Pests: Thrips occasionally, onion maggots (rare in microgreen stage)
Diseases: Damping off, purple blotch in humid conditions, white rot in contaminated soil
Resistance: Pink Root (Intermediate)

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
1	January – December	—	—	January – December
2	January – December	—	—	January – December
3	January – December	—	—	January – December
4	January – December	—	—	January – December
5	January – December	—	—	January – December
6	January – December	—	—	January – December
7	January – December	—	—	January – December
8	January – December	—	—	January – December
9	January – December	—	—	January – December
10	January – December	—	—	January – December
11	January – December	—	—	January – December
12	January – December	—	—	January – December
13	January – December	—	—	January – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

BasilRepels aphids and thrips that commonly attack microgreens

ChivesNatural fungicide properties help prevent damping-off disease

ParsleyAttracts beneficial insects and doesn't compete for light in microgreen setups

LettuceSimilar growing conditions and onion microgreens may deter lettuce pests

CilantroComplementary growth rates and helps repel spider mites

ArugulaBenefits from onion's pest-deterrent properties, especially flea beetles

Radish MicrogreensOnions help repel root maggots that can affect radish seeds

SpinachOnion compounds help deter aphids that commonly attack spinach

Avoid

FennelAllelopathic compounds inhibit germination and growth of most plants

BeansOnion compounds can inhibit nitrogen fixation and bean germination

SageStrong aromatic oils may inhibit delicate microgreen germination

Nutrition (per 100 g)

Calories (per 100 g): 40
Protein (g): 1.1
Fat (g): 0.1
Carbohydrate (g): 9.34
Fibre (g): 1.7
Sugars (g): 4.24
Vitamin A (µg): 0
Vitamin C (mg): 7.4
Vitamin E (mg): 0.02
Vitamin K (µg): 0.4
Vitamin B6 (mg): 0.12
Folate (µg): 19
Calcium (mg): 23
Iron (mg): 0.21
Magnesium (mg): 10
Phosphorus (mg): 29
Potassium (mg): 146
Zinc (mg): 0.17
Selenium (µg): 0.5

← PreviousClover Microgreens Next →Celery Microgreens

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the microgreens growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Onion Microgreens?

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