Walla Walla Onion (Allium Cepa) Zellajake Farm and garden offers Walla Walla onion seeds.They are considered a long-day onion variety which means they need 14 to 15 hours of daylight to form bulbs. Walla Walla onions are suitable for container growing which allows the plants to be moved in and out of shelter. About 2 months after planting they roll down the tops forcing the plants to form small bulbs. Plant your sets the following spring. Days to Maturity: 90-120 in full sun.
