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Spanish Broom

Spartium junceum

Also listed as Cytisus junceus, Genista acutifolia

Also known as Weaver's Broom, Rush Broom

shrub☀️ full sun💧 low water❄ Hardy: Zone 8a – Zone 11b

Climate Match for your location

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A vigorous Mediterranean shrub prized for its bright golden-yellow pea-like flowers and nearly leafless green stems that give it an airy, distinctive appearance. Extremely drought-tolerant once established and ideal for hot, dry locations.

Why grow it

Spanish broom offers stronger drought tolerance and a more refined visual character than many common ornamental shrubs in Mediterranean and semi-arid climates. Its nearly leafless green stems provide year-round structure while the flowers appear over an extended season, making it a practical choice for water-conserving landscapes where conventional shrubs struggle. Unlike some nitrogen-fixing legumes, it makes minimal soil demands once established.

Watch out for

Plants can become leggy or sparse with age and benefit from occasional pruning to maintain density, though they tolerate hard cutting. In areas with consistent moisture or winter humidity, root rot may develop, so ensure well-draining soil and avoid overwatering. Seeds germinate readily in disturbed areas, so deadheading spent flowers reduces volunteer seedlings if self-seeding is a concern.

Overview

Form
Upright
Growth Rate
fast
Size
6–10′ tall × 4–8′ wide
Dormancy
evergreen
Family
Fabaceae
Biomass and mulchDynamic accumulatorErosion controlFiberHedgerowPollinators & beneficial insectsWindbreak

Native Range

Mediterranean

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

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Companion Planting

Plants well with