Seed Savers Exchange
Onion, Walla Walla
Allium cepa
- Long-day onion
- Bulbs grow to 2 pounds
- Globe-shaped, solid bulbs
- Can store 2-3 months
- 90 days from transplant
- New for 2021
- Packet of 100 Seeds
Large, round bulbs boast sweet, mild, juicy flesh. Famous for its mild flavor, this long-day sweet onion is the only northern onion ever to match the quality of the popular Vidalia types. Well-grown bulbs can reach 2 pounds apiece and will store 2-3 months. 90 days.
Learn To Grow It
This crop requires a long growing season and should be started from seed in mid to late winter. You can transplant them outdoors 1-2 weeks after all danger of frost has passed.
Plant your seeds 1/4-3/4 in. deep in soil trays or pots indoors. Fertilize your seedlings when they are 2-3 inches high. When planting outdoors, place the seedlings 3-8 inches apart.
Make sure that your soil is well fertilized as this crop is a heavy feeder and takes a lot of nutrients from the soil. Consider adding compost to the soil the year before you plant.
Mulching the soil around this crop can help protect the plant and keep roots cool and moist. This crop may require regular applications of fertilizer and water.