North America Native Plant

Key Thatch Palm

Botanical name: Leucothrinax morrisii

USDA symbol: LEMO5

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states âš˜ Native to Navassa Island âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Simpsonia microcarpa (Sarg.) O.F. Cook (SIMI6)  âš˜  Thrinax keyensis Sarg. (THKE)  âš˜  Thrinax microcarpa Sarg. (THMI8)  âš˜  Thrinax morrisii H. Wendl. (THMO4)  âš˜  Thrinax ponceana O.F. Cook (THPO6)  âš˜  Thrinax praeceps O.F. Cook (THPR2)   

Key Thatch Palm: A Charming Native Beauty for Your Tropical Garden Meet the Key thatch palm (Leucothrinax morrisii), a delightful native gem that’s been quietly stealing hearts in tropical gardens across South Florida and the Caribbean. Also known as the white thatch palm, this compact beauty proves that good things ...

Key Thatch Palm: A Charming Native Beauty for Your Tropical Garden

Meet the Key thatch palm (Leucothrinax morrisii), a delightful native gem that’s been quietly stealing hearts in tropical gardens across South Florida and the Caribbean. Also known as the white thatch palm, this compact beauty proves that good things really do come in small packages!

Where Does the Key Thatch Palm Call Home?

This lovely palm is a true Florida native, naturally growing in the Florida Keys and South Florida, as well as throughout Puerto Rico, the U.S. Virgin Islands, and Navassa Island. It’s perfectly adapted to life in coastal and subtropical environments, making it an excellent choice for gardeners looking to support local ecosystems while creating stunning landscapes.

What Makes This Palm So Special?

The Key thatch palm is what we call a shrub palm – it typically grows as a multi-stemmed woody plant reaching heights of 13 to 16 feet, though it can sometimes surprise you by growing taller or developing a single trunk depending on growing conditions. Its silvery-green fan-shaped fronds create an elegant, tropical appearance that instantly transports you to a beachside paradise.

As a perennial plant, this palm will grace your garden year after year, slowly developing its distinctive character and charm. The compact growth habit makes it perfect for smaller spaces where larger palms might overwhelm the landscape.

Perfect Spots for Your Key Thatch Palm

This versatile native thrives in:

  • Coastal gardens where salt tolerance is essential
  • Tropical and subtropical landscape designs
  • Xerophytic gardens focused on drought-resistant plants
  • Native plant gardens supporting local wildlife
  • Specimen plantings where you want a focal point

Growing Conditions That Make It Happy

The Key thatch palm is wonderfully adaptable and relatively low-maintenance once established. Here’s what it loves:

  • Sunlight: Full sun to partial shade – it’s quite flexible!
  • Soil: Well-draining sandy soils work best, though it adapts to various soil types
  • Climate: USDA hardiness zones 10b-11
  • Water: Drought tolerant once established, but appreciates regular watering during establishment
  • Salt exposure: Excellent salt tolerance makes it perfect for coastal locations

Planting and Care Tips

Getting your Key thatch palm off to a great start is easier than you might think:

  • Plant in a location with good drainage – soggy feet are not this palm’s friend
  • Water regularly during the first year to help establish a strong root system
  • Once established, it becomes quite drought tolerant and requires minimal care
  • Remove only completely brown fronds – avoid over-pruning
  • Apply palm-specific fertilizer during growing season for best results

Supporting Wildlife in Your Garden

As a native species, the Key thatch palm plays an important role in supporting local ecosystems. The small flowers attract various insects, providing food sources for pollinators and other beneficial creatures. Birds may also use the fronds for nesting material, making your garden a more wildlife-friendly space.

Why Choose Native?

By choosing the Key thatch palm, you’re not just adding beauty to your landscape – you’re supporting biodiversity and creating habitat for native wildlife. Native plants like this one are adapted to local conditions, requiring less water and maintenance while providing maximum ecological benefits.

Whether you’re creating a coastal oasis or adding tropical flair to your subtropical garden, the Key thatch palm offers the perfect combination of beauty, resilience, and ecological value. It’s a charming choice that connects your garden to the natural heritage of Florida and the Caribbean!

Key Thatch Palm

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arecales

Family

Arecaceae Bercht. & J. Presl - Palm family

Genus

Leucothrinax C.Lewis & Zona - white thatch palm

Species

Leucothrinax morrisii (H. Wendl.) C.Lewis & Zona - Key thatch palm

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