Native Plants

Flameberry

Urera caracasana

USDA symbol: URCA2

perennial shrub

Puerto Rico: native

If you’re gardening in Puerto Rico or interested in Caribbean native plants, you might want to get acquainted with flameberry (Urera caracasana). This intriguing native shrub belongs to the nettle family, though don’t let that scare you away just yet – it’s got its own unique charm that makes it ...

Flameberry: A Native Puerto Rican Shrub Worth Knowing

If you’re gardening in Puerto Rico or interested in Caribbean native plants, you might want to get acquainted with flameberry (Urera caracasana). This intriguing native shrub belongs to the nettle family, though don’t let that scare you away just yet – it’s got its own unique charm that makes it worth considering for the right garden setting.

What Exactly Is Flameberry?

Flameberry, scientifically known as Urera caracasana, is a perennial shrub that’s truly at home in Puerto Rico. Like most shrubs, it’s a multi-stemmed woody plant that typically stays under 13-16 feet tall, making it a manageable size for most garden spaces. You might also see it listed under its synonym Urtica caracasana in older botanical references.

Where Does It Call Home?

This native beauty is found naturally in Puerto Rico, where it has adapted perfectly to the local climate and ecosystem. As a true native species, it plays an important role in supporting the island’s natural biodiversity and has co-evolved with local wildlife over thousands of years.

  • Species observed
  • No observations

A Wetland-Friendly Choice

One of flameberry’s most interesting characteristics is its flexibility when it comes to water. It’s classified as a facultative wetland plant, which is a fancy way of saying it’s perfectly happy in wet conditions but can also tolerate drier spots. This adaptability makes it potentially useful for:

  • Rain gardens and bioswales
  • Areas with seasonal flooding
  • Transitional zones between wet and dry areas
  • Natural landscape restoration projects

The Growing Challenge

Here’s where things get a bit tricky – while flameberry sounds like it could be a wonderful addition to Puerto Rican gardens, detailed growing information for this specific species is surprisingly scarce. This isn’t uncommon with native Caribbean plants that haven’t made their way into mainstream horticulture yet.

What we do know is that as a native Puerto Rican shrub, it’s likely adapted to:

  • Tropical and subtropical conditions
  • Variable moisture levels
  • Local soil conditions
  • Hurricane-force winds and recovery

Should You Plant Flameberry?

If you’re gardening in Puerto Rico, flameberry could be an excellent choice for several reasons. Native plants are typically lower maintenance once established, provide crucial habitat for local wildlife, and help preserve the island’s natural heritage. However, the limited availability of growing information means you’ll need to be a bit of a plant pioneer.

Before adding flameberry to your garden, consider:

  • Sourcing plants or seeds from reputable native plant nurseries
  • Starting with a small trial area to observe its growth habits
  • Connecting with local native plant societies or botanical gardens for advice
  • Documenting your experience to help other gardeners

The Bottom Line

Flameberry represents the kind of native plant that could be a real gem for Puerto Rican gardeners willing to experiment. While we don’t have all the growing details figured out yet, its native status and wetland adaptability make it worth investigating further. Sometimes the most rewarding garden plants are the ones that haven’t been discovered by mainstream horticulture yet.

If you’re interested in growing truly native Puerto Rican plants and don’t mind being part of the learning process, flameberry might just flame up your interest in Caribbean native gardening.

Urera caracasana 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. Urera caracasana is also known as:

Urtica caracasana | USDA symbol: URCA4

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.

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 care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants 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. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Caribbean (PR, VI)

Facultative Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Hamamelididae
Order: Urticales
Family: Urticaceae Juss. - Nettle family
Genus: Urera Gaudich. - urera

Species: Urera caracasana (Jacq.) Gaudich. ex Griseb. - flameberry

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