bulb corm tuber

Walla Walla Sweet Onion

Allium sativum 'Walla Walla Early'

Not currently listed at our partner nurseries.

Expertly Curated

Real-Time Pricing

Loved by Designers

Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

24 inches

Width

4 inches

Light

Full Sun

Zones

5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate

Lifespan

Biennial, grown as an annual

Native To

Central Asia

Toxicity

Toxic to dogs and cats

The Story

Plant Bio

Walla Walla Early is known for its mild, sweet flavor, making it a popular choice for culinary use. This cultivar is prized for its early harvest and large bulb size.

Bloom Period:

EarlyLate

Uses & Benefits:

Alliums add architectural height and interest with their globe-like flower heads, attracting pollinators.

Walla Walla garlic provides a rich, sweet flavor for culinary uses, and has natural antimicrobial properties.

Supports beneficial insects like pollinators and predatory insects that help control pests.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck cloves 2 inches deep into well-drained soil in fall.
Water thoroughly after planting to settle soil around cloves.
Mulch generously to conserve moisture and regulate soil temperature.
Fertilize with balanced fertilizer in early spring for best growth.
Monitor for pests and remove any weeds regularly.
Harvest when leaves turn yellow and bulbs are firm, typically in late spring.

Pro Tip

Plant in a sunny spot with rich, well-drained soil for optimal bulb development.

Keep It Thriving

Care Guide

Do

Water regularly during dry periods 🌱
Apply mulch to retain soil moisture
Fertilize in early spring with a balanced fertilizer
Monitor for pests and diseases

Don't

Overwater to prevent rot ❌
Plant too deep or too shallow
Neglect weed control
Use heavy clay soil without amendment

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Harvest
Mulch
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Edible herb border with fragrant foliageScented kitchen garden patchVertical accent with tall, slender foliage

Companion Plants

Carrots Beets Lettuce Cabbage Spinach

Multiply

Propagation Methods

Good to Know

Common Questions

Walla Walla Sweet Onion questions

What zones can Walla Walla Sweet Onion grow in?

Walla Walla Sweet Onion is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Walla Walla Sweet Onion deer resistant?

Yes — Walla Walla Sweet Onion is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Walla Walla Sweet Onion bloom?

Walla Walla Sweet Onion typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Walla Walla Sweet Onion need full sun?

Walla Walla Sweet Onion does best in full sun (6+ hours).