North America Native Plant

Haggarbush

Botanical name: Clerodendrum aculeatum

USDA symbol: CLAC2

Life cycle: perennial

Habit: vine

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

Synonyms: Volkameria aculeata L. (VOAC)   

Haggarbush: A Native Caribbean Shrub Worth Discovering If you’re gardening in Puerto Rico or the U.S. Virgin Islands and looking for native plants that belong in your landscape, you might want to get acquainted with haggarbush (Clerodendrum aculeatum). This lesser-known native shrub deserves a spot on your radar, even if ...

Haggarbush: A Native Caribbean Shrub Worth Discovering

If you’re gardening in Puerto Rico or the U.S. Virgin Islands and looking for native plants that belong in your landscape, you might want to get acquainted with haggarbush (Clerodendrum aculeatum). This lesser-known native shrub deserves a spot on your radar, even if it’s not the flashiest plant in the garden center.

What is Haggarbush?

Haggarbush is a perennial shrub that’s as authentically Caribbean as it gets. This multi-stemmed woody plant typically grows to less than 13-16 feet in height, though like many shrubs, it can surprise you and grow taller or develop a single stem depending on where it’s planted. You might also see it listed under its old scientific name, Volkameria aculeata, if you’re digging through older gardening references.

Where Does Haggarbush Grow Naturally?

This shrub is a true native of the Caribbean, specifically calling Puerto Rico and the U.S. Virgin Islands home. If you live in these areas, planting haggarbush means you’re supporting your local ecosystem with a plant that evolved right in your backyard.

The Wetland Connection

Here’s something interesting about haggarbush: it’s classified as a facultative wetland plant in the Caribbean region. This means it usually prefers wetland conditions but can also tolerate drier sites. If you have a spot in your yard that stays a bit soggy, or if you’re dealing with areas that flood occasionally, haggarbush might be exactly what you need.

Why Consider Planting Haggarbush?

While haggarbush might not be the most well-known native plant, there are several compelling reasons to give it a try:

  • True native status: Supporting plants that naturally belong in your area helps maintain local biodiversity
  • Wetland tolerance: Perfect for those challenging wet spots where other plants struggle
  • Low maintenance potential: As a native plant, it should thrive with minimal intervention once established
  • Unique addition: Stand out from the crowd with something most gardeners haven’t heard of

The Challenge: Limited Growing Information

Here’s where things get a bit tricky – haggarbush isn’t widely cultivated, which means specific growing guides are hard to come by. We don’t have detailed information about its exact soil preferences, sun requirements, or specific care needs. What we do know is that as a wetland-associated plant, it likely appreciates consistent moisture and can handle periodic flooding.

Getting Started with Haggarbush

If you’re intrigued by this native shrub, here are some general guidelines based on what we know:

  • Location: Try areas that receive regular moisture or have seasonal wetness
  • Soil: Likely adaptable to various soil types, given its wetland status
  • Sourcing: Look for native plant sales or contact local botanical gardens and native plant societies
  • Patience: Be prepared to experiment and observe how it performs in your specific conditions

Is Haggarbush Right for Your Garden?

Haggarbush is best suited for adventurous gardeners in Puerto Rico and the U.S. Virgin Islands who want to experiment with lesser-known native plants. It’s particularly appealing if you have wet areas that need landscaping solutions, or if you’re passionate about supporting native biodiversity. However, if you prefer plants with well-established growing guides and predictable performance, you might want to start with other native shrubs that have more cultivation information available.

The lack of detailed growing information shouldn’t necessarily discourage you – it just means you’ll be part of the learning process. Native plants often adapt well to local conditions once established, and haggarbush’s natural wetland associations give us clues about where it might thrive in cultivation.

Whether haggarbush becomes your next gardening adventure depends on your willingness to work with a plant that’s still sharing its secrets. For those ready to take on the challenge, this native Caribbean shrub offers the satisfaction of growing something truly local and potentially discovering valuable insights for other gardeners along the way.

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

Haggarbush

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

Lamiales

Family

Verbenaceae J. St.-Hil. - Verbena family

Genus

Clerodendrum L. - glorybower

Species

Clerodendrum aculeatum (L.) Schltdl. - haggarbush

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