Botanical nomenclature: Puerto Rican Hat Palm
Common name: Sabal causiarum
Family: Arecaceae
This stunning palm is one of the largest and fastest growing in the genus Sabal. It is native to the Caribbean Islands of Hispaniola, Puerto Rico and to the Virgin Islands, where it is quite common in a number of different habitats. It sports a thick, smooth gray 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. Sabal causiarum is frequently confused with Sabal domingensis but can easily be told apart by its large, papery leafbase appendages and its inflorescences which are much longer than the leaves.
General Instructions for Palms (English)
Seed pre-treatment:
Place the seeds immersed in warm water for 2 to 3 days. The water must be changed at least once every 24 hours.
Like most palm trees, seed propagation is not difficult, as long as some basic requirements are met. Among the most important are good sanitation, adequate environment, adequate hydration, and adequate heat.
About hydration and heat:
It is extremely important in the germination of the seeds "Adequate hydration". When, how and how much moisture? Excessive water can drastically decrease the germination percentage of the seeds. As important as the supply of water, it is the excessive irrigation, this can put all the work for lost. Maintaining humidity, without however soaking the substrate is extremely important.
Once the seeds start to germinate, watering should be more frequent. The substrate must not be dry.
For the seeds to germinate successfully it is necessary to keep the heat, the ideal temperature is around 26º C - 32º C.
A very efficient way for the germination of Palm trees and several other species is the following:
Place the seeds in a plastic bag (ziplock type) together with a mixture of (below I will pass 3 options in the middle): All must be just Moist, should not be soaked.
Option 1) Peat, Option 2) Peat mixed with perlite, Option 3) Sphagnum moss (Sphagnum moss). Some people also use only vermiculite, we usually use peat with perlite, but I believe that they all meet the same end. As we always find good results with this mixture, this is the one we use the most.
The bag must be checked periodically to ensure the moisture of the substrate and, once the seeds start to germinate, they must be transferred to individual pots.
You can also use plastic pots with a transparent lid, so your seed will keep the heat and humidity constant.
Your seed should not receive sun exposure in any way, only artificial lighting (fluorescent or led lamps), if necessary.
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