Native Plants

Antilles Bean

Vigna antillana

USDA symbol: VIAN3

perennial vine

Puerto Rico: native
U.S. Virgin Islands: non-native, naturalized

Meet the Antilles bean (Vigna antillana), a perennial flowering plant that calls the beautiful Caribbean islands home. While this legume might not be as well-known as its cousins in the bean family, it has an interesting story to tell about island plant life and the challenges of growing lesser-known native ...

Antilles Bean: A Caribbean Native with Limited Garden Information

Meet the Antilles bean (Vigna antillana), a perennial flowering plant that calls the beautiful Caribbean islands home. While this legume might not be as well-known as its cousins in the bean family, it has an interesting story to tell about island plant life and the challenges of growing lesser-known native species.

What is the Antilles Bean?

The Antilles bean is a perennial forb—basically a non-woody plant that comes back year after year. Unlike trees or shrubs, this plant doesn’t develop thick, woody stems above ground. Instead, it maintains its growing points at or below the soil surface, allowing it to regenerate each growing season. You might also see it listed under its scientific synonym, Phaseolus antillanus, in older botanical references.

Where Does It Grow?

This plant has a pretty exclusive address—it’s native to Puerto Rico and has naturalized in the U.S. Virgin Islands. In Puerto Rico, it’s considered a true native, while in the Virgin Islands, it’s established itself as a non-native species that reproduces on its own without human help.

  • Species observed
  • No observations

Should You Grow Antilles Bean in Your Garden?

Here’s where things get a bit tricky. While the Antilles bean isn’t listed as invasive or noxious, there’s remarkably little information available about growing this particular species. This lack of cultivation information presents some challenges for the home gardener:

  • Specific growing requirements are not well-documented
  • Seeds or plants may be difficult to source
  • Mature size and growth habits are unclear
  • Pollinator and wildlife benefits are unknown

Growing Conditions and Care

Based on its native Caribbean habitat, the Antilles bean likely thrives in:

  • Warm, tropical to subtropical climates (probably USDA zones 10-11)
  • Well-draining soils
  • Adequate moisture without waterlogging
  • Full to partial sun exposure

However, without specific cultivation studies or gardener experiences, these are educated guesses based on its geographic origins rather than proven growing advice.

Alternative Options

If you’re interested in growing Caribbean native legumes but want more reliable information and plant sources, consider researching other native Vigna species or well-established native beans from your specific region. Your local native plant society or agricultural extension office can point you toward native legumes with better-documented growing requirements and available plant sources.

The Bottom Line

The Antilles bean represents one of those fascinating but frustrating aspects of native plant gardening—a species that’s botanically interesting but practically challenging due to limited cultivation information. While it’s not problematic to grow (no invasive or noxious status), the lack of specific growing guidance makes it a risky choice for most gardeners.

If you’re determined to work with this species, connect with botanical gardens or research institutions in Puerto Rico or the Virgin Islands, as they may have more experience with its cultivation needs. For most gardeners, however, focusing on better-documented native legumes will provide more reliable and rewarding results.

Vigna antillana is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Vigna antillana is also known as:

Phaseolus antillanus | USDA symbol: PHAN11

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Fabales
Family: Fabaceae Lindl. - Pea family
Genus: Vigna Savi - cowpea

Species: Vigna antillana (Urb.) Fawc. & Rendle - Antilles bean

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