North America Native Plant

Maricao Cimun

Botanical name: Byrsonima crassifolia

USDA symbol: BYCR

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Synonyms: Malpighia crassifolia L. (MACR5)   

Maricao Cimun: A Hidden Gem for Your Caribbean Garden If you’re gardening in Puerto Rico or other tropical Caribbean locations, you might want to get acquainted with a delightful native shrub that deserves more attention: maricao cimun (Byrsonima crassifolia). This unassuming perennial woody plant has been quietly beautifying Caribbean landscapes ...

Maricao Cimun: A Hidden Gem for Your Caribbean Garden

If you’re gardening in Puerto Rico or other tropical Caribbean locations, you might want to get acquainted with a delightful native shrub that deserves more attention: maricao cimun (Byrsonima crassifolia). This unassuming perennial woody plant has been quietly beautifying Caribbean landscapes for centuries, and it’s time more gardeners discovered its charms.

What is Maricao Cimun?

Maricao cimun is a native Puerto Rican shrub that typically grows as a multi-stemmed woody plant reaching 13 to 16 feet in height, though it can sometimes grow taller or develop a single trunk depending on growing conditions. You might also see it listed under its former scientific name, Malpighia crassifolia, but don’t let the botanical terminology intimidate you – this is simply a charming, easy-going shrub that knows how to thrive in Caribbean conditions.

Where Does It Grow Naturally?

This native beauty calls Puerto Rico home, where it has adapted perfectly to the island’s climate and growing conditions. As a facultative upland plant, maricao cimun usually prefers non-wetland areas but can tolerate occasional wet conditions, making it quite versatile for different garden situations.

Why Choose Maricao Cimun for Your Garden?

There are several compelling reasons to consider this native shrub for your landscape:

  • Native advantage: As a Puerto Rican native, it’s perfectly adapted to local growing conditions and supports local ecosystems
  • Low maintenance: Once established, this hardy shrub requires minimal care
  • Pollinator friendly: The small yellow flowers attract bees and other beneficial pollinators to your garden
  • Salt tolerance: Perfect for coastal gardens where salt spray can be challenging for other plants
  • Attractive foliage: Glossy green leaves provide year-round interest
  • Compact size: Won’t overwhelm smaller gardens but provides good structure

Growing Conditions and Care

Maricao cimun is refreshingly easy to please when it comes to growing conditions. Here’s what this adaptable shrub prefers:

Sunlight: Full sun to partial shade – it’s quite flexible and will adapt to various light conditions in your garden.

Soil: Well-draining soil is key. This shrub doesn’t like to sit in soggy conditions, so make sure water can drain away freely.

Watering: Regular watering during the establishment period (first year), then it becomes quite drought tolerant. Perfect for water-wise gardening!

Climate zones: Best suited for USDA hardiness zones 10-11, which means it thrives in tropical and subtropical climates.

Planting and Care Tips

Getting your maricao cimun off to a good start is straightforward:

  • Plant in spring or early summer for best establishment
  • Space plants 4-6 feet apart if using as a hedge
  • Water regularly for the first year until roots are well established
  • Apply a layer of organic mulch around the base to retain moisture and suppress weeds
  • Minimal pruning needed – just remove dead or damaged branches as needed
  • Once established, this shrub is quite self-sufficient

Design Ideas and Landscape Uses

Maricao cimun works beautifully in several garden settings:

  • Native plant gardens: Perfect centerpiece for a Puerto Rican native plant collection
  • Coastal landscapes: Its salt tolerance makes it ideal for seaside gardens
  • Hedge or screen: Plant multiple specimens for natural screening
  • Specimen plant: Works well as a standalone focal point in smaller gardens
  • Pollinator gardens: The flowers provide nectar for beneficial insects

The Bottom Line

If you’re gardening in Puerto Rico or similar tropical climates, maricao cimun deserves serious consideration. This native shrub offers the perfect combination of beauty, low maintenance, and ecological benefits. Plus, by choosing native plants, you’re supporting local wildlife and preserving the natural heritage of your region.

While it may not be the flashiest plant in the garden center, maricao cimun is the kind of reliable, hardworking shrub that forms the backbone of successful tropical gardens. Give it a try – your garden (and the local pollinators) will thank you!

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

FACU

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

Maricao Cimun

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

Polygalales

Family

Malpighiaceae Juss. - Barbados Cherry family

Genus

Byrsonima Rich. ex Kunth - byrsonima

Species

Byrsonima crassifolia (L.) Kunth - maricao cimun

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