Vegetable Starts
Allium cepa 'Walla Walla' (Sweet Onion)
Allium cepa
Also known as Onion 'Walla Walla'
Size
Available at our Langlois nursery
Call or text to confirm stock before visiting.
Currently out of stock
Join the wishlist and we'll let you know when this plant comes back in.
We don't ship plants. Local delivery options are available.
About This Plant
Allium cepa 'Walla Walla' (Sweet Onion), 'Walla Walla', is valued in PNW gardens for its character and seasonal interest.
A productive edible vegetable start, ready to transplant into the garden after the last frost (or sooner for cool-season crops).
Full sun suits this plant. Plant in moist, well-drained, fertile soil. Hardy USDA Zone annual. Provide consistent moisture and rich soil. Most are heavy feeders. Watch for typical garden pests like cutworms, aphids, and slugs.
Plant Details
- Botanical
- Allium cepa
- Common name
- Onion 'Walla Walla'
- Lifecycle
- Perennial
- Foliage type
- Deciduous
- Mature size
- 12-18 in tall × 4-6 in wide
- Growth rate
- Moderate
- Bloom time
- Second year (harvested first)
- Bloom color
- Cream, Yellow
- Foliage color
- Green
- Harvest
- Late summer
- Days to maturity
- 110-125 days from transplant
- Seed type
- Heirloom
Care Notes
Garden Attributes
- Pacific NW native
- Deer resistant
- Coastal suitable
- Grown organically
- Pollinator value: Bees
- Wildlife: Pollinator support
- 🌱 Edible: Bulbs, Leaves
- ⚠ Toxic to pets if ingested
- Toxic to dogs and cats (hemolytic anemia). Safe for humans.
Not sure if it's in stock?
Our inventory changes with the seasons. Before you drive out, give us a call or text, we'll confirm availability and can hold a plant for you.