Green onion

GenusAllium

Also called spring onion, salad onion, bunch onion, green shallot, onion stick, long onion, baby onion, precious onion

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Green onion
Photo: Evan-Amos · Public domain · Wikimedia Commons

Fact sheet

every fact quoted from its source
Days to maturity14–21 days

“The maturity phase lasts 2 to 3 weeks after the seedling stage.” — How Long Do Green Onions Take To Grow? Diagnostic Guide

Germination temperature65–75 °F

“Optimal temperature is between 65°F and 75°F.” — How Long Do Green Onions Take To Grow? Diagnostic Guide

Waterconsistently kept damp but not waterlogged

“Soil moisture should be consistently kept damp but not waterlogged.” — How Long Do Green Onions Take To Grow? Diagnostic Guide

Height6–8 in

“Harvest when the green tops reach 6 to 8 inches in height.” — How Long Do Green Onions Take To Grow? Diagnostic Guide

Ready whengreen tops reach 6 to 8 inches in height

“Harvest when the green tops reach 6 to 8 inches in height.” — How Long Do Green Onions Take To Grow? Diagnostic Guide

Edible partstops and roots

“Cut the green tops with scissors, leaving the roots intact for regrowth.” — How Long Do Green Onions Take To Grow? Diagnostic Guide

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5 species

Where this comes from