Size: Leaves are up to a foot long.

Sunlight requirements: Full sun.

Water requirements: Water evenly; more water equals stronger flavor; average 1 inch per week.

Soil requirements: Well-drained soil.

When to plant: Spring, when soil is 50 degrees Fahrenheit.

Where to plant: In raised beds; 1/2 inch apart in rows 12 to 18 inches apart; do not grow where onions have grown within the past three years.

When to harvest: When tops are about 6 inches tall.

Produce storage: Put 1 inch of cold water into a glass jar. Put scallions in jar; cover tops of scallions with a plastic bag and store in the refrigerator.