North America Native Plant

Bahama Baybean

Botanical name: Canavalia nitida

USDA symbol: CANI7

Life cycle: perennial

Habit: vine

Native status: Native to Puerto Rico  

Synonyms: Canavalia rusiosperma Urb. (CARU13)   

Bahama Baybean: A Caribbean Native Perfect for Coastal Gardens If you’re gardening in Puerto Rico and looking for a hardy, beautiful native plant that can handle whatever Mother Nature throws at it, meet the Bahama baybean (Canavalia nitida). This tough little vine is like the Swiss Army knife of tropical ...

Bahama Baybean: A Caribbean Native Perfect for Coastal Gardens

If you’re gardening in Puerto Rico and looking for a hardy, beautiful native plant that can handle whatever Mother Nature throws at it, meet the Bahama baybean (Canavalia nitida). This tough little vine is like the Swiss Army knife of tropical gardening – versatile, reliable, and surprisingly attractive.

What is Bahama Baybean?

Bahama baybean is a perennial herbaceous vine native to Puerto Rico. Despite its common name suggesting Bahamian origins, this plant is actually a true Puerto Rican native. You might also see it listed under its botanical synonym, Canavalia rusiosperma, but don’t let the scientific names confuse you – it’s the same wonderful plant.

As a member of the legume family, this forb herb produces the characteristic compound leaves and colorful flowers you’d expect from a bean relative. But unlike your garden-variety green beans, this beauty is built for the coast.

Where Does It Grow?

This Caribbean gem is naturally found in Puerto Rico, where it has adapted perfectly to the island’s tropical climate and coastal conditions.

Why Plant Bahama Baybean?

There are plenty of reasons to fall in love with this native vine:

  • Stunning flowers: The plant produces eye-catching pink to purple blooms that add a tropical pop of color to any landscape
  • Glossy foliage: The compound leaves have a beautiful shine that looks healthy and vibrant year-round
  • Coastal tough: This plant laughs in the face of salt spray and sandy soils
  • Erosion fighter: Its spreading habit makes it excellent for stabilizing slopes and preventing soil erosion
  • Pollinator magnet: The colorful flowers attract bees and butterflies, supporting local wildlife
  • Low maintenance: Once established, it’s remarkably self-sufficient

Perfect Garden Settings

Bahama baybean thrives in several landscape scenarios:

  • Coastal gardens where salt tolerance is crucial
  • Native plant gardens celebrating Puerto Rican flora
  • Tropical landscape designs
  • Slopes needing erosion control
  • Areas where you want attractive ground cover or a climbing vine

Growing Conditions

This adaptable native isn’t picky, but it does have preferences:

  • Sunlight: Full sun to partial shade
  • Soil: Sandy, well-draining soils (perfect for coastal conditions)
  • Water: Drought-tolerant once established, but appreciates occasional watering during dry spells
  • Climate: USDA zones 10-11 (tropical climates)

Planting and Care Tips

Growing Bahama baybean is refreshingly straightforward:

  • Starting from seed: This is the easiest propagation method – the seeds germinate readily
  • Planting: Choose a spot with good drainage and adequate sun exposure
  • Watering: Water regularly until established, then reduce frequency
  • Maintenance: Minimal care required – just occasional pruning if you need to control its spread
  • Fertilizing: As a legume, it fixes its own nitrogen, so fertilizing is rarely necessary

Supporting Wildlife

By choosing this native plant, you’re not just beautifying your garden – you’re supporting local ecosystems. The flowers provide nectar for pollinators like bees and butterflies, helping maintain the biodiversity that makes Puerto Rico’s natural environment so special.

The Bottom Line

Bahama baybean is one of those rare plants that manages to be both beautiful and bulletproof. If you’re gardening in Puerto Rico’s challenging coastal conditions, this native vine offers an attractive, low-maintenance solution that supports local wildlife. It’s particularly valuable for erosion control, but don’t overlook its ornamental qualities – those glossy leaves and colorful flowers can hold their own in any tropical landscape design.

Whether you’re creating a native plant garden, need something tough for a seaside location, or just want a reliable vine that won’t demand constant attention, Bahama baybean deserves a spot on your plant wish list.

Bahama Baybean

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

Canavalia Adans. - jackbean

Species

Canavalia nitida (Cav.) Piper - Bahama baybean

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