Spanish Broom

Spartium junceum, Fabaceae

Zones

7–10

Layer

Shrub

Lifespan

Perennial

Growth

Fast

Guild Roles

Nitrogen FixerPollinator Attractor

Growing Conditions

Sun

Full Sun (optimal)

Water

Low

Soil pH

5.5 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Silver BuffaloberryShepherdia argentea

Nitrogen FixationWind Protection

Sweet OliveOsmanthus fragrans

Nitrogen Fixation

Gum Rock RoseCistus ladanifer

Nitrogen FixationPollinator Sharing

Antagonistic Plants

Wild PansyViola tricolor

Spanish broom produces allelopathic compounds that can inhibit growth of wild pansy and other small herbaceous plants

Panicle HydrangeaHydrangea paniculata

Spanish broom's allelopathic compounds and deep taproot system can suppress hydrangea growth by reducing water availability and releasing growth-inhibiting chemicals.

Uses

Functions

Fiber

Common Questions

What zones does Spanish Broom grow in?

Spanish Broom grows in USDA hardiness zones 7 through 10.

Is Spanish Broom a nitrogen fixer?

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

What are good companion plants for Spanish Broom?

Good companions for Spanish Broom include Silver Buffaloberry, Sweet Olive, Gum Rock Rose.

Design guilds with Spanish Broom and see companion relationships visually.

Try PatternBase free