SKU: 75952001709
roystonea altissima

roystonea altissima Puerto Rican Royal Palm (Roystonea borinquena) (Seeds)

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Description

roystonea altissima Puerto Rican Royal Palm (Roystonea borinquena) (Seeds)Roystonea borinquena Puerto Rican Royal Palm Iconic tropical palm from the Caribbean bringing grandeur and elegance About Roystonea borinquena Roystonea borinquena, known as the Puerto Rican Royal Palm, is a majestic species native to Puerto Rico and the Caribbean region. This spectacular palm is celebrated for its towering, smooth grey trunk, bright green crownshaft, and dense canopy of arching fronds that radiate tropical elegance. Roystonea

Roystonea borinquena

Puerto Rican Royal Palm

Iconic tropical palm from the Caribbean bringing grandeur and elegance

About Roystonea borinquena

▼

Roystonea borinquena, known as the Puerto Rican Royal Palm, is a majestic species native to Puerto Rico and the Caribbean region. This spectacular palm is celebrated for its towering, smooth grey trunk, bright green crownshaft, and dense canopy of arching fronds that radiate tropical elegance.

Roystonea borinquena grows naturally in coastal valleys and moist tropical forests. It adapts exceptionally well to cultivated landscapes and is widely admired for its rapid growth, excellent wind resistance, and lush crown. Mature specimens can reach impressive heights of 20–25 meters, with deep roots and a naturally self-cleaning trunk, creating an iconic Caribbean silhouette that commands attention in any landscape.

Fresh seeds from VIRIAR.COM are hand-selected and sourced from healthy, mature palms to ensure the highest germination success and vitality. Perfect for tropical gardens, resorts, collector gardens, and botanical institutions, the Puerto Rican Royal Palm brings the authentic lush spirit of the Caribbean into your collection. With warmth and patience, this majestic royal palm will reward growers with one of the most impressive tropical silhouettes in cultivation.

Caribbean Grandeur & Majesty: Roystonea borinquena combines towering stature with exceptional tropical beauty and fast growth, making it an ideal choice for discerning collectors and landscape designers seeking to capture authentic Caribbean elegance and commanding ornamental presence in tropical and subtropical settings.

Germination Guide

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Seed Preparation

Contents: 4 fresh, viable seeds. Pre-treatment: Soak seeds in warm water for 48–72 hours to soften the seed coat and promote faster sprouting. Change water daily to prevent fermentation and maximize germination potential.

Sowing Medium

Use a blend of 50% coarse sand or perlite and 50% cocopeat or quality germination substrate. Ensure free drainage to prevent root rot during the germination stage. Excellent drainage is essential for healthy seed development.

Planting Depth

Plant each seed approximately 2–3 cm deep. Lightly cover with medium and maintain evenly moist conditions without overwatering. Ensure consistent moisture for optimal germination success.

Temperature & Humidity

Optimal Range: 28–32°C for best germination results. Humidity: Keep medium humidity (70–80%) using a plastic cover or mini-greenhouse setup. Provide ventilation weekly to prevent fungal development.

Watering & Light

Keep the substrate moist but not soggy. Overwatering slows germination and can cause fungal issues. Use a spray or misting bottle for controlled moisture application. Provide bright, indirect light initially; gradually introduce stronger light as seedlings emerge and develop.

Germination Timeline & Transplanting

Typical germination occurs within 1–4 months, sometimes longer depending on ambient temperature and moisture stability. Once seedlings form their first true leaves, transplant them into individual containers with a rich, well-draining mix. Handle carefully to avoid damaging the tender taproot.

Plant Care Guide

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Light Requirements

Young Plants: Prefer bright, filtered sunlight until acclimated. Mature Palms: Thrive in full sun for optimal trunk color, crown development, and overall vigor. Gradual transition from shade to sun prevents leaf scorching.

Soil Requirements

Prefers deep, fertile, and slightly moist soil with excellent drainage. A blend of sand, loam, and organic compost is ideal for vigorous growth and healthy root development. Avoid compacted or poorly draining soils.

Watering & Fertilization

Water: Provide consistent watering during the growing season. Do not allow soil to dry out completely, but avoid standing water around the roots. Fertilize: Use a balanced palm fertilizer (e.g., 12-4-12 + Mg + Mn) every 2–3 months during active growth to maintain lush leaves and a healthy trunk.

Temperature & Hardiness

Roystonea borinquena thrives best in warm climates between 20–35°C. It tolerates short periods of cool weather down to about 5°C but should be protected from frost to ensure healthy growth and development.

Pruning, Maintenance & Container Growing

Pruning: This palm naturally sheds old fronds as it matures. Remove only brown or damaged leaves near the base to maintain a clean appearance. Container Growing: Young plants are well-suited for large containers for decorative use on patios and courtyards. Repot every 2–3 years to allow for root development and refresh soil nutrient content.

Pests & Diseases

Roystonea borinquena is generally resistant to pests, but occasionally monitor for scale insects and mealybugs. Use neem oil or insecticidal soap if necessary. Maintain good cultural practices including proper watering and air circulation to prevent disease issues.

Quick Reference Summary

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Botanical Name
Roystonea borinquena
Common Name
Puerto Rican Royal Palm
Origin
Puerto Rico & Caribbean
Seed Contents
4 Fresh Seeds
Light
Full Sun
Growth Rate
Moderate to Fast
Germination
1–4 Months
Temperature
20–35°C
VIRIAR.COM

Premier Provider of Exceptional Exotic and Rare Seeds Worldwide

Specializing in authentic, carefully curated germplasm selected with meticulous precision and unwavering commitment to quality excellence.

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SKU: 75952001709

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M Arneson
Louisville, US
★★★★★ 4
Funny and scary, but with a bit of reassurance
Format: Kindle
Reassuring and disturbing at the same time, this book exposes the flaws and risks of AI, while pointing out the weaknesses that make it incapable of taking over the world. The examples of AI foolishness entertain and startle. AI's missteps and errors and the real harm they cause provide a warning that is easier to absorb when leavened with the humor. So what happens if I end this review with a bit of AI-generated predictive texting? Here goes: This is a story out of India and I am not sure if I can make it to the wrong email address. Please let me know if you have any questions. I look forward to hearing from you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2019
R
Verified Purchase
Randy Hayes
Port Orchard, US
★★★★★ 5
Hilarious and Informative
Format: Kindle
This book was a major hit with me - it had me in hysterics at several points while teaching me a lot about machine learning and neural networks on a deep level.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
O
Verified Purchase
Odysseus at home
Birmingham, US
★★★★★ 5
An adorable book
Format: Paperback
This is an adorable book. I bought it because I needed to know more about AI, and this exemplar seemed perfect to me. And it was. I had already read several books on AI, dozens in fact, and let's say this is one of the best. First: the tone (the author is very nice); secondly, the drawings (always adding clarity), and thirdly, the scope (it covers all the main topics, including ethical and technological issues). The problem with books on AI is that some authors begin to talk on AI in a very effective manner, but then, before you realize, they start pontificating on all the evils that it brings with it, and the perverse people behind the scene trying to kidnap your soul (or your money). Believe me, I tremble every time I read on AI because I know what possibly is going to happen after the first fifty pages. This is not the case. Janelle Shane goes to the point, shows you the magic, and the limits of this pervasive science, without painting the horror movie some others make you watch. Highly recommended for all those interested in passing a couple of days of good reading on AI topics, learning on them, and enjoying a very entertaining author. Five brilliant stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 13, 2023
K
Verified Purchase
Kelson Vibber
Draper, US
★★★★★ 5
A fun, accessible introduction to how AI works...and how it sometimes doesn't!
Format: Hardcover
Still relevant despite recent advances in AI-generated imagery and text, because the new systems still work on the same principles as the ones that were around three years ago. They just have a lot more data and processing power. This also means they have the same limitations and blind spots. What was it trained on? *How* was it trained? (This is the most obvious way human bias can leak into an AI model.) How well is the goal specified? And of course, did the AI actually latch onto relevant details, or did it notice that all the training pictures labeled sheep had green fields and blue skies, and completely ignore the actual sheep? These are things to keep in mind as we enter the landscape of generative AI tools like ChatGPT: You can train an LLM to write a book review, and it'll give you a great piece of text that *reads* like a book review -- but it's not going to have actually evaluated the book. For that, you'd have to train *another* AI to categorize books as good, bad, interesting, dull, and so on. But even that can only be as good as its training data. (I don't remember whether the classic phrase "garbage in, garbage out" is used anywhere in the book, but it still applies today!)
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Reviewed in the United States on April 1, 2023
T
Verified Purchase
Tero
Los Angeles, US
★★★★★ 4
If you want a book on the details of AI without math and statistics, this is it
Format: Paperback
I had this book a year or two back and then sold a lot of books as they piled up. After that I read a good number of books on AI. Of those, Ethan Mollick's book Co-Intelligence is best for the user end. But then there was still the issue of how do they do it? If you want to understand the process how AI works, there are a few books like this. Melanie Mitchell tends to focus on pictures. When you read ANY of these book, you will come to a page where you think "this makes no sense." You get there because the way AI chops up information and stores it in "cells" and then processes in stages (deep learining, hidden layers) is not how we think. They are not brains, though the neural network has some similarity to ours. You will simply need to finish the book. This one or the one you bought. Then read another one, if needed. It will make a lot of sense if you finish the book. Then you just generalize where you are at. I am never going to write Python or get deeply involved in tha manner. I am quite familiar with the free vesrions and I am able to check what summaries I get from AI. I will also keep up with the language part of it. AI does not study grammar the way we do. It looks for patterns in millions of examples. I have since 2023 gone through most of the 20 dollar range books. This one is the best.
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Reviewed in the United States on April 1, 2026

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