We want to hear from you! Please take this short, anonymous survey to help us improve the DG home page.

Solitary Sugar Palm

Arenga pinnata

Family: Arecaceae (ar-ek-AY-see-ee) (Info)
Genus: Arenga (aw-REN-guh) (Info)
Species: pinnata (pin-NAY-tuh) (Info)



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


over 40 ft. (12 m)


30-40 ft. (9-12 m)

over 40 ft. (12 m)


USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Sun to Partial Shade


Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Unknown - Tell us

Bloom Time:

Unknown - Tell us


Grown for foliage


Other details:

Unknown - Tell us

Soil pH requirements:

6.6 to 7.5 (neutral)

Patent Information:


Propagation Methods:

From seed; germinate in vitro in gelatin, agar or other medium

This plant is monocarpic

Seed Collecting:

Unknown - Tell us


This plant has been said to grow in the following regions:

Tucson, Arizona

Corte Madera, California

Thousand Oaks, California

Westminster, California

Loxahatchee, Florida

Naples, Florida

Saint Petersburg, Florida

show all

Gardeners' Notes:


On Dec 22, 2004, Kylecawaza from Corte Madera, CA (Zone 10a) wrote:

Supposidley, there was a flowering one at the Catamaran resort in San Deigo, that had about 20 feet of trunk.


On Feb 18, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Massive palm only for large yards. Trouble with salty air or high winds, too. Has 20'+ long feather leaves with long, straight leaflets that flop a bit near the ends. Trunk thick with woven fibers and long (1') but not very sharp or strong, spines that protrude in all directions. Solitary Arenga (one of only two solitary Arengas). Fast grower. Unlike the other Arenga species, once this one flowers, that's it. There are no other stems to continue on, and removing this massive dead thing can be a huge challenge, so think about that before deciding where to plant it. Fortunately here in So Cal plants appear to live for many decades before flowering. Well, turns out 15 years is about it... friend in Orange County, California has a flowering and seeding plant after 15 years. STill it i... read more