Planting and care
How to grow scallions
When to grow
Cool/Warm season · Annual
How to start
Seed, sets, transplants or cloves
Mature size
Upright foliage 8–24 in
Time to harvest
About 50–70 days from seed; roughly 30–50 days from sets or transplants.
Feeding needs
Moderate feeder
Growth habit
Allium
How to prune
Remove dry or damaged leaf tips; do not routinely shear the tops of plants intended for whole-stalk harvest. Thin crowded clumps.
How to harvest
Loosen soil and lift the whole stalk at pencil thickness or larger. For repeat greens, snip a few leaves above the white base while leaving the roots and central shoot.
Harvest and kitchen use
Cooking, seasoning, fresh garnish and storage depending type
Nutrition and garden value
Vitamin C and sulfur-containing compounds
Narrow upright growth makes good use of bed edges and gaps
Common challenges and troubleshooting
Thrips, bulb rot and poor drainage