North America Native Plant

Jackass Breadnut

Botanical name: Clibadium erosum

USDA symbol: CLER

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Jackass Breadnut: A Hidden Gem of Caribbean Native Gardening If you’re looking to add authentic Caribbean character to your garden in Puerto Rico or the U.S. Virgin Islands, you might want to get acquainted with jackass breadnut (Clibadium erosum). This native shrub may not be the flashiest plant at the ...

Jackass Breadnut: A Hidden Gem of Caribbean Native Gardening

If you’re looking to add authentic Caribbean character to your garden in Puerto Rico or the U.S. Virgin Islands, you might want to get acquainted with jackass breadnut (Clibadium erosum). This native shrub may not be the flashiest plant at the garden center—in fact, you probably won’t find it there at all—but it represents the kind of authentic, locally-adapted vegetation that truly belongs in Caribbean landscapes.

What is Jackass Breadnut?

Jackass breadnut is a perennial shrub that’s part of the sunflower family (Asteraceae). Like many shrubs, it’s a multi-stemmed woody plant that typically stays under 13-16 feet tall, though it can grow taller or even single-stemmed depending on where it’s growing. Think of it as a medium-sized backdrop plant rather than a showstopper specimen.

Where Does It Call Home?

This shrub is a true Caribbean native, naturally occurring in Puerto Rico and the U.S. Virgin Islands. When we say native, we mean it evolved here over thousands of years, making it perfectly adapted to local conditions, wildlife, and weather patterns. It’s not found naturally anywhere else in the world, making it a special piece of Caribbean botanical heritage.

The Wetland Connection

Here’s where jackass breadnut gets interesting from an ecological standpoint. It’s classified as a facultative wetland plant in the Caribbean, which is a fancy way of saying it usually likes wet feet but can tolerate drier conditions too. This makes it potentially valuable for:

  • Rain gardens and bioswales
  • Areas with seasonal flooding
  • Transition zones between wet and dry areas
  • Natural stormwater management

Should You Plant Jackass Breadnut?

Here’s the honest truth: jackass breadnut is one of those plants that’s more important ecologically than horticulturally. If you’re passionate about native plant gardening and supporting local ecosystems, this shrub deserves consideration. However, if you’re looking for detailed growing guides, colorful blooms, or proven garden performance, you might be disappointed by the lack of available information.

Reasons to consider it:

  • It’s authentically native to your region
  • Likely supports local wildlife (though specific benefits aren’t well-documented)
  • Adapted to local climate extremes
  • Could work well in wet or periodically flooded areas
  • Helps preserve local plant diversity

Challenges to consider:

  • Very limited availability in nurseries
  • Minimal cultivation information available
  • Unknown ornamental qualities
  • May require seed collection from wild populations

Growing Jackass Breadnut: What We Know

Unfortunately, detailed growing information for jackass breadnut is scarce. What we can infer from its native habitat and wetland status:

Likely growing conditions:

  • Tolerates wet to seasonally wet soils
  • Probably handles Caribbean heat and humidity well
  • May prefer partial shade to full sun
  • Likely drought-tolerant once established (typical of native shrubs)

USDA Hardiness Zones: Given its Caribbean native range, it’s likely suited for zones 10-11, possibly zone 9b with protection.

Finding and Planting Jackass Breadnut

This is where things get tricky. You’re unlikely to find jackass breadnut at your local nursery. If you’re serious about growing this native shrub, you might need to:

  • Contact native plant societies in Puerto Rico or the U.S. Virgin Islands
  • Work with local botanists or conservation groups
  • Participate in native plant seed swaps or collection events
  • Check with university extension services

Always ensure any plant material is responsibly sourced and legally obtained. Never collect from protected areas or private property without permission.

The Bigger Picture

While jackass breadnut might not become your garden’s centerpiece, plants like this represent the authentic character of Caribbean landscapes. Every native species plays a role in supporting local wildlife, from insects to birds to other plants. By choosing natives like jackass breadnut, you’re participating in conservation and helping maintain the unique ecological identity of your region.

If you’re new to native gardening, you might want to start with better-documented Caribbean natives and work your way up to the more mysterious species like jackass breadnut. Either way, every native plant you choose helps support the intricate web of life that makes the Caribbean such a special place to garden.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Jackass Breadnut

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Clibadium L. - clibadium

Species

Clibadium erosum (Sw.) DC. - jackass breadnut

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