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PlantFiles: Solitary Sugar Palm
Arenga pinnata

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

One vendor has this plant for sale.

Category:
Palms

Height:
over 40 ft. (12 m)

Spacing:
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Hardiness:
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

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

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Grown for foliage
Evergreen

Other details:
Average Water Needs; Water regularly; do not overwater
This plant is monocarpic

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

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

Seed Collecting:
Unknown - Tell us

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There are a total of 15 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Kylecawaza 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.

Positive palmbob 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 is still alive after being in flower for 3 years, so not an instant death.

The palm at the Catamarran is an older palm and is a good example of why this species shouldn't be grown that close to the ocean (tattered sad foliage). However, I think at this time (2006) that palm is pretty much a goner.

Regional...

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



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