Size: 12 to 24 inches tall

Sunlight requirements: Full sun (A minimum of four to six hours is ideal.)

Water requirements: About 1 inch per week

Soil requirements: Moderately rich, fertile soil is best. An average pH of 6.5 is preferred.

When to plant: Direct-seed as soon as the ground can be worked for spring harvest; direct-seed in late July and early August for autumn harvest.

Where to plant: Garden; containers

When to harvest: Harvest when the above-ground bulb reaches about 3 inches in diameter. More mature bulbs may be tough and woody.

Produce storage: Store unwashed in a plastic bag in the refrigerator, leaves removed, for several weeks.