North America Native Plant

Sierran Palm

Botanical name: Prestoea acuminata var. montana

USDA symbol: PRACM

Life cycle: perennial

Habit: tree

Native status: Native to Puerto Rico  

Synonyms: Euterpe globosa auct. non Gaertn. (EUGL15)  âš˜  Euterpe montana Graham (EUMO6)  âš˜  Prestoea montana (Graham) G. Nicholson (PRMO)   

The Sierran Palm: A Towering Native Beauty for Tropical Gardens If you’re dreaming of adding a touch of tropical elegance to your Puerto Rican landscape, look no further than the magnificent Sierran palm (Prestoea acuminata var. montana). This native beauty isn’t just another pretty face in the palm world – ...

The Sierran Palm: A Towering Native Beauty for Tropical Gardens

If you’re dreaming of adding a touch of tropical elegance to your Puerto Rican landscape, look no further than the magnificent Sierran palm (Prestoea acuminata var. montana). This native beauty isn’t just another pretty face in the palm world – it’s a homegrown hero that belongs naturally in Caribbean gardens and knows exactly how to thrive in its homeland.

Meet Your New Tropical Companion

The Sierran palm, scientifically known as Prestoea acuminata var. montana, goes by several aliases in the botanical world. You might encounter it listed as Euterpe montana, Prestoea montana, or even Euterpe globosa in older references. Don’t let the name confusion fool you – they’re all referring to this same stunning perennial palm that calls Puerto Rico home.

Where Does It Belong?

This palm is proudly native to Puerto Rico, making it a perfect choice for gardeners who want to celebrate their local flora. When you plant a Sierran palm, you’re not just adding beauty to your landscape – you’re supporting the natural heritage of the Caribbean islands.

Why Your Garden Will Thank You

The Sierran palm brings serious wow factor to any tropical landscape design. Here’s what makes it special:

  • Impressive stature: This palm means business, growing up to 70 feet tall at maturity with a classic single trunk
  • Steady growth: Expect about 30 feet of height after 20 years of growth
  • Classic palm appeal: Beautiful green foliage that screams tropical paradise
  • Native authenticity: Perfectly adapted to Puerto Rican conditions

The Perfect Garden Match

This palm is tailor-made for tropical and subtropical landscapes where it can serve as a stunning specimen tree or anchor point in larger garden designs. It’s ideal for:

  • Resort-style landscapes
  • Native plant gardens
  • Tropical estate properties
  • Large residential landscapes with room to grow

Growing Conditions That Make It Happy

The Sierran palm has some specific preferences, but they align perfectly with Puerto Rico’s natural climate:

Climate Needs

  • Temperature: Minimum 40°F (USDA zones 10b-11)
  • Rainfall: Loves moisture with 70-160 inches annually
  • Frost tolerance: None – needs 365 frost-free days

Soil Preferences

  • pH level: Prefers acidic conditions (3.6-5.5)
  • Texture: Thrives in coarse or medium-textured soils
  • Drainage: Needs good drainage despite loving moisture

Planting and Care Tips

Getting your Sierran palm established doesn’t have to be complicated:

Getting Started

  • Availability: Good news – this palm is routinely available from nurseries
  • Planting options: Can be planted from containers, bare root, or grown from seed
  • Spacing: Plant 320-640 trees per acre for commercial plantings

Ongoing Care

  • Watering: Keep soil consistently moist but not waterlogged
  • Root space: Ensure at least 36 inches of root depth
  • Patience: This is a long-term investment – think decades, not years

The Reality Check

Before you fall head over heels for this palm, consider these important factors:

  • Space requirements: This palm gets BIG – make sure you have room for a 70-foot giant
  • Climate limitations: Only suitable for tropical/subtropical zones
  • Long-term commitment: This is a slow-growing, long-lived species
  • Maintenance: Limited tolerance for hedging or heavy pruning

The Bottom Line

The Sierran palm is a fantastic choice for Puerto Rican gardeners who have the space, climate, and patience for a truly majestic native palm. It’s not a quick-fix solution for instant gratification, but rather an investment in creating a landscape legacy. If you’re looking for authentic tropical beauty that honors your local ecosystem, this native palm delivers in spades.

Just remember – with great palms comes great responsibility. Make sure you have the right conditions and plenty of room before bringing this tropical giant home!

How

Sierran Palm

Grows

Growing season
Lifespan
Growth form & shape
Growth rate
Height at 20 years

30

Maximum height

70.0

Foliage color

Green

Summer foliage density
Winter foliage density
Foliage retention

No

Flowering

No

Flower color
Fruit/seeds

No

Fruit/seed color
Allelopath

No

Nitrogen fixing

None

Toxic
C:N Ratio
Fire Resistant

No

Foliage Texture
Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Sierran Palm

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

No

Anaerobic tolerance
CaCO₃ tolerance

Medium

Cold Stratification

No

Drought tolerance
Nutrient requirement
Fire tolerance
Frost-free days minimum

365

Hedge tolerance

Low

Moisture requirement
pH range

3.6 to 5.5

Plants per acre

320 to 640

Precipitation range (in)

70 to 160

Min root depth (in)

36

Salt tolerance

Medium

Shade tolerance
Min temperature (F)

40

Cultivating

Sierran Palm

Flowering season
Commercial availability

Routinely Available

Fruit/seed abundance
Fruit/seed season
Fruit/seed persistence

No

Propagated by bare root

Yes

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound
Seed spread rate
Seedling vigor
Small grain

No

Vegetative spread rate

Sierran 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

Prestoea Hook. f. - prestoea

Species

Prestoea acuminata (Willd.) H.E. Moore - Sierran palm

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