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PlantFiles: Puerto Rico Palmetto, Puerto Rican Hat Palm
Sabal causiarum

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Family: Arecaceae (ar-ek-AY-see-ee) (Info)
Genus: Sabal (SAY-bal) (Info)
Species: causiarum (kaw-see-AR-um) (Info)

2 members have or want this plant for trade.

Category:
Trees
Palms

Height:
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Spacing:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Hardiness:
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
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:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Unknown - Tell us

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Evergreen

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Unknown - Tell us

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There are a total of 18 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive IslandJim On May 8, 2004, IslandJim from Keizer, OR (Zone 8b) wrote:

This is a massive tree when it grows up. It's also a fairly fast grower. Not suited to planting anywhere but shopping centers, freeway islands, and industrial parks. The fans are much larger [almost as large as Bismarckia fans] than those of other Sabal palms I'm familiar with. We grew a few hundred of these and sold them mostly for freeway and shopping center plantings.

Neutral palmbob On Mar 3, 2004, palmbob from Acton, CA (Zone 8b) wrote:

One of the larger and faster growing Sabals- eventually ends up with a thick, concrete-like trunk 30 feet+ tall. But in So Cal there are none that tall (yet). This species tends to get symptoms of potassium deficiency easily (yellow to necrotic spots on leaves and yellow blanching of the older leaves). This has been the case with my own palms. The petioles develop a nice yellow-green hue, which looks nice to me, but is not a sign of health unfortunately. Fortunately most plants seem to grow along without any other untoward problems and eventually usually grow out of it. Not terribly unique as a young adult Sabal and I confess most Sabals look similar to me.

Regional...

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

Mobile, Alabama
Los Angeles, California
Thousand Oaks, California
Brandon, Florida
Venice, Florida
Augusta, Georgia
Natchez, Mississippi
North, South Carolina
Victoria, Texas



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