Sabal causiarum

Puerto Rican hat palm
Majestic, tree with huge leaves and husky trunk delivers unsurpassed tropical look. Among the largest of hardy fan palms.
Sabal causiarum
height 12–30ft
width 15–25ft
tolerates Coast, Cold, Heat, Salt
water
needs		 Moderate
water
info		 Young plants need ample irrigation to get established. Older plants, especially in heavier soils, are less thirsty. Prefers good drainage.
hardy
to		 17F
exposure Part Sun – Full Sun
indoor
outdoor		 Outdoor
drainage In Ground: Cactus Mix, In Pots: Cactus Mix
fertilizing All Purpose
origin Puerto Rico, Hispaniola
california
native		 No
sunset
zones		 8, 9, 11–24

Sunset Zones Map

Outdoor Exposure Guide

OUTDOOR EXPOSURE GUIDE

Full Sun
Six or more hours of sun beams directly landing on the plant's leaves.

Part Shade
Three to five hours of sun beams directly landing on the plant's leaves.

Part Sun
One to two hours of sun beams directly landing on the plants leaves.

Full Shade
The plant is never fully lit by sun beams, but is in a bright spot or has dappled sunbeams playing over the leaves throughout the day.

Deep Shade
The plant never has dappled light on the leaves, and is in a place that feels dim, even on a nice sunny day.

SUNSET ZONES MAP

Growing Notes

Tolerates coastal conditions in Southern California, as well as desert climates. Slower in the fog belt.

Special Interest

Very large leaves on this slow-growing palm tree make a dramatic impact in the garden space for many years, gradually become an equally dramatic canopy. Smooth, concrete-like trunk can become very thick, up to two feet in diameter. Unarmed: no spines.