North America Native Plant

Black Ambret

Botanical name: Mimosa ceratonia

USDA symbol: MICE

Life cycle: perennial

Habit: vine

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

Growing Black Ambret: A Hidden Gem of Caribbean Native Plants If you’re looking to add authentic Caribbean flair to your tropical garden, you might want to get acquainted with black ambret (Mimosa ceratonia). This lesser-known native shrub represents the kind of plant that makes island gardens truly special – it’s ...

Growing Black Ambret: A Hidden Gem of Caribbean Native Plants

If you’re looking to add authentic Caribbean flair to your tropical garden, you might want to get acquainted with black ambret (Mimosa ceratonia). This lesser-known native shrub represents the kind of plant that makes island gardens truly special – it’s not flashy or widely available at your local nursery, but it’s got that genuine local character that connects your landscape to its natural surroundings.

What Makes Black Ambret Special

Black ambret is a perennial shrub that belongs to the diverse Mimosa family, and like many of its relatives, it brings that distinctive legume family charm to the garden. As a true native of Puerto Rico and the U.S. Virgin Islands, this plant has evolved to thrive in Caribbean conditions, making it a smart choice for gardeners who want to work with nature rather than against it.

The shrub typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall, which makes it a manageable size for most residential landscapes. Its growth habit gives it that classic Caribbean shrub look – not too formal, not too wild, but just right for creating natural-looking garden spaces.

Where You’ll Find Black Ambret Growing Wild

This native beauty calls Puerto Rico and the U.S. Virgin Islands home, where it has adapted to the unique growing conditions of these tropical islands. You’ll find it growing naturally throughout these Caribbean territories, where it has learned to handle everything from intense tropical sun to occasional dry spells.

Why Consider Black Ambret for Your Garden

Here’s the thing about choosing native plants like black ambret – you’re making a choice that benefits both your garden and the local ecosystem. Native plants are typically:

  • Better adapted to local climate conditions
  • More likely to support local wildlife
  • Generally more sustainable once established
  • Part of the authentic character of your region

While we don’t have extensive cultivation information about black ambret specifically (it’s one of those plants that has been somewhat overlooked by mainstream horticulture), its native status suggests it could be a valuable addition to gardens in Puerto Rico and the U.S. Virgin Islands.

Growing Black Ambret Successfully

Since black ambret is adapted to Caribbean conditions, your best bet for success is to mimic its natural environment as much as possible. Here are some general guidelines based on its native habitat:

  • Plant in areas with good drainage – most Caribbean natives don’t appreciate waterlogged soil
  • Provide protection from the strongest winds if possible
  • Allow for its natural multi-stemmed growth habit
  • Be patient during establishment – native plants often take time to settle in

Given the limited cultivation information available for this specific species, you might want to observe how it grows in natural settings near you, or consult with local native plant societies or botanical gardens for more detailed growing advice.

Finding Black Ambret for Your Garden

Here’s where things get a bit challenging – black ambret isn’t exactly sitting on the shelves at your average garden center. You’ll likely need to seek out specialized native plant nurseries, contact local botanical institutions, or connect with native plant enthusiasts in your area.

This scarcity actually makes black ambret more special in a way. When you do find it and successfully grow it, you’re participating in the preservation of local plant heritage and adding something genuinely unique to your landscape.

The Bottom Line on Black Ambret

Black ambret represents the kind of gardening opportunity that comes with both rewards and challenges. The reward is growing something authentically local, supporting native ecosystems, and potentially having something really unique in your garden. The challenge is that information and plant availability are limited.

If you’re the kind of gardener who enjoys the hunt for unusual plants and likes the idea of growing something with deep local roots (literally), black ambret could be worth pursuing. Just be prepared to do some detective work and possibly wait a while to find your plants.

For gardeners in Puerto Rico and the U.S. Virgin Islands, adding native plants like black ambret to your landscape is ultimately about creating gardens that belong to their place – and there’s something pretty wonderful about that.

Black Ambret

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

Mimosa L. - sensitive plant

Species

Mimosa ceratonia L. - black ambret

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