Yellow Onion

Allium cepa Yellow, Amaryllidaceae

Zones

3a–10b

Layer

Root

Lifespan

Annual

Growth

Moderate

Guild Roles

ProducerPest Confuser

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

6 – 7

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

FigFicus carica

Pest Deterrent

Brown Turkey FigFicus carica

Pest Deterrent

Black Mission FigFicus carica

Pest Deterrent

Kadota FigFicus carica

Pest Deterrent

Indeterminate TomatoSolanum lycopersicum Indeterminate

Pest DeterrentBeneficial Insect Habitat

PomegranatePunica granatum

Pest Deterrent

Antagonistic Plants

Red OnionAllium cepa Red

Same species varieties compete intensely for root space and may exhibit allelopathic effects

Uses

Functions

Food

Edible Parts

Roots

Common Questions

What zones does Yellow Onion grow in?

Yellow Onion grows in USDA hardiness zones 3a through 10b.

What are good companion plants for Yellow Onion?

Good companions for Yellow Onion include Fig, Brown Turkey Fig, Black Mission Fig, Kadota Fig, Indeterminate Tomato.

Design guilds with Yellow Onion and see companion relationships visually.

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