North America Native Plant

Puerto Rico Mountainbay

Botanical name: Calyptranthes acevedoi

USDA symbol: CAAC4

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Puerto Rico Mountainbay: A Hidden Gem for Your Tropical Native Garden Meet the Puerto Rico mountainbay (Calyptranthes acevedoi), a charming native shrub that deserves a spot in every tropical garden! This delightful perennial is one of Puerto Rico’s best-kept botanical secrets, offering both beauty and ecological benefits to gardeners who ...

Puerto Rico Mountainbay: A Hidden Gem for Your Tropical Native Garden

Meet the Puerto Rico mountainbay (Calyptranthes acevedoi), a charming native shrub that deserves a spot in every tropical garden! This delightful perennial is one of Puerto Rico’s best-kept botanical secrets, offering both beauty and ecological benefits to gardeners who want to embrace their local flora.

What Makes Puerto Rico Mountainbay Special?

This lovely shrub is a true Puerto Rican native, meaning it has evolved alongside the island’s unique ecosystem for thousands of years. As a multi-stemmed woody plant, it typically grows to a manageable 13-16 feet in height, making it perfect for smaller gardens or as an understory plant in larger landscapes.

The Puerto Rico mountainbay grows exclusively in Puerto Rico, where it thrives in the island’s mountainous regions.

Why Your Garden (and Local Wildlife) Will Love It

There’s something truly magical about growing plants that belong in your landscape! Here’s why the Puerto Rico mountainbay makes such a fantastic addition to your garden:

  • Native plants are naturally adapted to local conditions, making them easier to grow
  • Supports local pollinators like native bees and butterflies with its attractive flowers
  • Requires less water and maintenance than non-native alternatives
  • Helps preserve Puerto Rico’s unique botanical heritage
  • Creates habitat for local wildlife

Garden Design Ideas

The Puerto Rico mountainbay shines in several landscape settings:

  • Native plant gardens: Perfect as a foundational shrub alongside other Puerto Rican natives
  • Tropical landscapes: Adds authentic local character to your tropical paradise
  • Conservation gardens: Ideal for gardeners passionate about preserving native species
  • Understory planting: Works beautifully under taller native trees

Growing Your Puerto Rico Mountainbay

Good news for busy gardeners – this native beauty is relatively low-maintenance once established! Here’s what you need to know:

Climate Requirements

This tropical native thrives in USDA hardiness zones 10-11, making it perfect for Puerto Rico’s warm climate year-round.

Light and Soil Needs

  • Grows well in partial shade to full sun
  • Prefers well-draining soil (like most natives, it doesn’t like soggy feet!)
  • Tolerates various soil types once established

Watering and Care

  • Moderate moisture needs – not too wet, not too dry
  • Water regularly during establishment, then reduce frequency
  • Occasional pruning to maintain shape and size
  • Minimal fertilizer needed (native plants are naturally efficient!)

The Bottom Line

If you’re gardening in Puerto Rico and want to create a landscape that’s both beautiful and ecologically meaningful, the Puerto Rico mountainbay is a fantastic choice. This perennial shrub offers the perfect combination of local authenticity, low maintenance, and wildlife benefits that make native gardening so rewarding.

By choosing native plants like Calyptranthes acevedoi, you’re not just creating a gorgeous garden – you’re participating in the conservation of Puerto Rico’s unique natural heritage. Your local pollinators, birds, and other wildlife will thank you, and you’ll have the satisfaction of knowing your garden truly belongs in its landscape!

Puerto Rico Mountainbay

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

Myrtales

Family

Myrtaceae Juss. - Myrtle family

Genus

Calyptranthes Sw. - mountainbay

Species

Calyptranthes acevedoi Alain - Puerto Rico mountainbay

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