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Mountain Sainfoin

Onobrychis montana, Fabaceae

Zones
3–7
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Nitrogen FixerGround CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6.5 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Neglected SweetvetchHedysarum neglectum
Nitrogen FixationPollinator Sharing
Ripgut BromeBromus rigidus
Nitrogen FixationBeneficial Insect Habitat
WallflowerErysimum cheiri
Nitrogen FixationPollinator SharingPest Deterrent

Antagonistic Plants

Field PennycressThlaspi arvense

Field pennycress glucosinolates inhibit mountain sainfoin seed germination

Uses

Functions

Nitrogen FixationSoil ImprovementErosion ControlDeep Soil Penetration

Edible Parts

LeavesFlowers

Common Questions

What zones does Mountain Sainfoin grow in?

Mountain Sainfoin grows in USDA hardiness zones 3 through 7.

Is Mountain Sainfoin a nitrogen fixer?

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

What are good companion plants for Mountain Sainfoin?

Good companions for Mountain Sainfoin include Neglected Sweetvetch, Ripgut Brome, Wallflower.

Design guilds with Mountain Sainfoin and see companion relationships visually.

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