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Sweet Pea

Lathyrus odoratus, Fabaceae

Zones
2–10
Layer
Vine
Lifespan
Annual
Growth
Fast

Guild Roles

Nitrogen FixerPollinator Attractor

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

6 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Yellow FoxgloveDigitalis grandiflora
Nitrogen FixationPollinator Sharing
BorageBorago officinalis
Pollinator Sharing
Spanish LavenderLavandula stoechas
Pest DeterrentPollinator Sharing
Sweet MarjoramOriganum majorana
Beneficial Insect HabitatPest Deterrent

Antagonistic Plants

Kura CloverTrifolium ambiguum

Kura clover's deep taproot and spreading growth can compete with sweet pea for soil resources

Uses

Functions

FragranceNitrogen Fixation

Common Questions

What zones does Sweet Pea grow in?

Sweet Pea grows in USDA hardiness zones 2 through 10.

Is Sweet Pea a nitrogen fixer?

Yes, Sweet Pea is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Sweet Pea?

Good companions for Sweet Pea include Yellow Foxglove, Borage, Spanish Lavender, Sweet Marjoram.

Design guilds with Sweet Pea and see companion relationships visually.

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