Allium fistulosum, Ishikura bunching onion

Ishikura bunching onion
Allium fistulosum

Light: Full sun
Water: Water regularly but moderately
Hardiness: Frost tolerant, heat tolerant
Spacing: 3- 6" between plants and rows
Days to maturity: 40- 50
Soil notes: Rich garden soil, compost amendment beneficial                                                Size: Up to 2' tall, 1" wide

Notes: Favored for its thick stems, non-bulbing, perennial