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Sabal causiarum

Puerto Rican Hat Palm

This stunning palm is one of the largest and fastest growing in the genus Sabal. It is native to the Caribbean Islands of Puerto Rico and Hispaniola, where it is quite common in a number of different habitats. It sports a thick, smooth grey trunk and a dense crown of strongly costapalmate, bluish-green leaves. In cultivation it is as easy as any other Sabal and even though not quite as hardy to freezing temperatures as most of its cousins, it will withstand an occasional icing and will flourish in most tropical and warm temperate climates with hot summers. Once established, it is also hardy to drought and coastal conditions. It is S. causiara as opposed to S. causiarum, by the way, according to the international laws of nomenclature where the feminine ending is required for the specific name if present in the generic name (as in S. bermudana, S. mexicana, S. uresana, S. etonia etc.).

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germination comments by our visitors
For general germination instructions click here.

Also see plant cultivation comments below.

Seeds from this species ...

...very easy to germinate and need up to 1 month to sprout.
i did the standard method to germinate palm seeds in plastic bag at 37°C and after as much as two weeks only two didn't germinate yet. whith lo leaf yet
Submitted on 06/08/2003 by joao capelo bidwilli@@hotmail.com

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plant cultivation comments by our visitors
Also see germination commnets above.

Plants from this species ...

... are of high ornamental value
In parede in portugal they need little care and grow very slow.
hello, i have sabal causiarum for about four years from seeds they are very slow growers( as with most sabal) with 5 leafs on them, they are in big pots in a temperate zone(usda zone 9) they survive the winters with no yellowing or other hilness and everybody who goes my house have to ask what they are
Submitted on 02/07/2008 by joao capelo

win € 75 worth of seeds
by writing a plant cultivation comment about how to cultivate the plants of this species. Click here!

If you wish to read more on palm cultivation, we highly recommend Ornamental Palm Horticulture by Timothy K. Broschat and Alan W. Meerow, available in our bookshop.

Ratings and comments reflect individual experiences and the views of our visitors. They do not necessarily describe the most appropriate methods, nor are they necessarily valid for all seeds or plants of this species. Germination and plant cultivation success depends on many different factors; nevertheless, these experiences will hopefully aid you in your effort to get the best germination results from our seeds and the best growth results from your plants.

We recommend:
The Encyclopedia of Cultivated Palms

The Encyclopedia of Cultivated Palms
by Robert Lee Riffle, Paul Craft, Scott Zona

2nd edition
Completely revised and updated

Hardcover - 528 pages
11 x 8.5 inches

Our rating:
Suitable for: all

The Encyclopedia of Cultivated Palms is the definitive account of all palms that can be grown for ornamental and economic use. Palms are often underutilized as a result of their unfamiliarity—even to tropical gardeners. To help introduce these valuable plants to a new audience, the authors have exhaustively documented every genus in the palm family.
825 species are described in detail, including cold hardiness, water needs, height, and any special requirements. Generously illustrated with more than 900 photos, including photos of several palm species that have never before appeared in a general encyclopedia, The Encyclopedia of Cultivated Palms is as valuable as an identification guide as it is a practical handbook. Interesting snippets of history, ethnobotany, and biology inform the text and make this a lively catalog of these remarkable plants.

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