North America Non-native Plant

Bridal Broom

Botanical name: Retama monosperma

USDA symbol: REMO2

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Bridal Broom: A Mediterranean Beauty for Drought-Prone Gardens If you’re looking for a low-maintenance shrub that can handle California’s dry summers while putting on a spectacular spring flower show, bridal broom (Retama monosperma) might catch your eye. This distinctive Mediterranean native brings a touch of sunny elegance to drought-tolerant landscapes, ...

Bridal Broom: A Mediterranean Beauty for Drought-Prone Gardens

If you’re looking for a low-maintenance shrub that can handle California’s dry summers while putting on a spectacular spring flower show, bridal broom (Retama monosperma) might catch your eye. This distinctive Mediterranean native brings a touch of sunny elegance to drought-tolerant landscapes, though it’s worth knowing both its benefits and considerations before planting.

What is Bridal Broom?

Bridal broom is a perennial shrub that typically grows 13 to 16 feet tall, though it can sometimes reach greater heights under ideal conditions. What makes this plant particularly interesting is its nearly leafless appearance – instead of traditional leaves, it sports silvery-green, rush-like stems that give it an almost architectural quality in the garden. Don’t let the sparse foliage fool you though; this shrub is anything but boring when it bursts into bloom.

Where Does Bridal Broom Grow?

Originally from the Mediterranean region, North Africa, and the Canary Islands, bridal broom has found a home in California, where it has naturalized and reproduces on its own in the wild. It’s considered a non-native species that has established itself in the state’s Mediterranean-like climate.

The Visual Appeal

The real showstopper happens in spring when bridal broom explodes with clusters of bright yellow, pea-like flowers that release a sweet, honey-like fragrance. The contrast between the silvery stems and golden blooms is quite striking, creating what many describe as a fountain-like display. Even when not in bloom, the plant’s unusual form adds textural interest to the landscape.

Growing Conditions and Care

Bridal broom thrives in USDA hardiness zones 9-11, making it well-suited for California’s warmer regions. Here’s what this Mediterranean native prefers:

  • Sunlight: Full sun exposure for best flowering
  • Soil: Well-draining soil is essential – it won’t tolerate soggy conditions
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • Climate: Handles heat and dry conditions beautifully but may need protection from hard frosts

Planting and Maintenance Tips

Getting bridal broom established is relatively straightforward:

  • Plant in fall or early spring when temperatures are mild
  • Water regularly the first year to help establish roots, then reduce watering significantly
  • Prune lightly after flowering to maintain shape and remove spent blooms
  • Avoid overwatering or overfertilizing, which can lead to weak growth
  • In colder areas of its range, plant in a protected location or provide frost protection

Garden Roles and Landscape Uses

Bridal broom works well in several landscape situations:

  • Mediterranean and drought-tolerant gardens
  • Coastal plantings where salt tolerance is needed
  • Slope stabilization and erosion control
  • As a specimen plant or in mixed shrub borders
  • Xeriscaping projects

Benefits for Pollinators

The fragrant spring flowers are magnets for bees and other pollinators, making bridal broom a valuable addition to pollinator-friendly gardens. The abundant nectar and pollen support local bee populations during the crucial spring season.

Things to Consider

While bridal broom can be an attractive addition to appropriate gardens, it’s important to remember that it’s not native to North America. As a non-native species that naturalizes readily, consider these points:

  • It may not provide the same ecological benefits as native plants
  • Monitor for any aggressive spreading in your garden
  • Consider native alternatives that offer similar benefits

Native Alternatives to Consider

If you love the idea of a drought-tolerant, yellow-flowered shrub but prefer native options, consider these California natives:

  • Flannel bush (Fremontodendron species) for yellow flowers and drought tolerance
  • Coyote brush (Baccharis pilularis) for low-maintenance coastal gardening
  • California broom (Lotus scoparius) for a similar growth habit and yellow flowers

The Bottom Line

Bridal broom can be a beautiful, low-maintenance addition to the right Mediterranean-style garden, especially if you’re dealing with challenging conditions like poor soil, drought, or coastal exposure. Its spectacular spring display and minimal water needs make it appealing to many gardeners. However, as with any non-native plant, it’s worth weighing its benefits against the ecological advantages of choosing native species. Whatever you decide, success with bridal broom comes down to providing good drainage and resisting the urge to pamper it too much – this tough Mediterranean shrub actually prefers a bit of neglect!

Bridal Broom

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Retama Raf. - bridal broom

Species

Retama monosperma (L.) Boiss. - bridal broom

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA