Green Onion illustration

Green Onion Growing Guide

Amaryllidaceae family

Days to Harvest65 days
Sunlightfull-to-part
Frost ToleranceHeavy
Spacing16/sqft (3" apart)
Germination7-14 days
HardinessHardy
Germ. Temp65°F
Start Indoors6 weeks before last frost

Companion Planting

Avoid Planting Near

BeanPea

Growth Stages

  1. Seedling / Sprouting
  2. Leaf Growth / Bulbing
  3. Mature / Harvest Ready

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Green Onion?

Green Onion takes approximately 65 days from planting to harvest.

How much sun does Green Onion need?

Green Onion requires full-to-part.

How far apart should I plant Green Onion?

Plant Green Onion at 16/sqft (3" apart) using square foot gardening spacing.

Can Green Onion survive frost?

Green Onion is tolerant of heavy frost and can withstand freezing temperatures.

What are good companion plants for Green Onion?

Good companion plants for Green Onion include Carrot, Beet, Lettuce, Tomato, Pepper, Cabbage, Strawberries. Avoid planting near Bean, Pea.

How long does Green Onion take to germinate?

Green Onion seeds germinate in 7-14 days at an optimal temperature of 65°F.

When should I start Green Onion seeds indoors?

Start Green Onion seeds indoors 6 weeks before your last frost date, then transplant -2 weeks after last frost.

Plan Your Green Onion Garden

Track Green Onion from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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