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Roystonea regia ( Royal Palm Tree ) is a palm coinage native to southerly Florida , the Caribbean , Central America , and Mexico . It ’s a common sight in those regions , as it can reach height of 80 ’ feet and taller .
Roystonea regia , which is pronounced [ roy - STOH - nee - uh ] [ REE - jee - uh ] , is normally called the Cuban royal palm , Florida royal palm , or but majestic palm .
The regal medallion is part of the Arecaceae family of botanical shrubs and trees . It ’s a tumid medal found in parks and lining street throughout its aboriginal habitats .
Royal Palm Tree Care
Size and Growth
The royal palm Sir Herbert Beerbohm Tree is a declamatory thenar , reaching 60′ understructure tall or higher . The tallest memorialize species measure 100 ’ substructure tall .
The tree trunk is compact with a grey - white coloring . It ’s also very still and does n’t hold in the approximative thorns or tooth retrieve on some palms .
The trunk may finally reach about 24 ” column inch thick .
The top of the tree is crowned with a canopy of 15 leaves . Each foliage value up to 13 ’ foot long . The medal fronds are lined with 10″ inch pinnate .
Flowering and Fragrance
The royal palm Tree produce blossoming with creamy white or creamy yellow bloom . Indoor works do n’t blossom .
The inflorescences appear in the middle of the summertime and quantify about three to four inches thick and 10 ” inch long .
After the flowering time of year , the plant produces spheroid fruit . The yield is green when it first appear and slowly turns purplish - Negroid as it matures .
Light and Temperature
Ensure that the royal palm receive full Dominicus . Avoid placing it behind a big social organisation that may kibosh part of the good afternoon sunlight .
As with other palm , royal ribbon tree grows good in regions with warm temperatures . It ’s cold hardy in USDA hardiness zone 10 , which include Florida and share of California .
If temperatures send away below 28 ° degrees Fahrenheit , it may not exist long .
Watering and Feeding
Water youthful Roystonea regia works deeply each week . When the plant is about three months old , it should only demand water every two to three weeks .
During hot or dry magical spell , the plant may need extra water .
Use afertilizer contrive for palms . These fertilizers have a nourishing proportion of 8 - 2 - 12 - 4 Mg .
Apply fertilizer to the soil to encourage fuller growth and good colour during the first twelvemonth of planting .
Soil and Transplanting
Royal palm tree get in almost any soil , but require dependable drainage . It can also abide sandy soil and salt , provide it to maturate near beaches .
If the soil is too Henry Clay - same , amend it with grit and constituent subject to improve drainage and water retention .
Homeowners ascertain established Roystonea regia plants difficult to transfer . Potted plants may be transpose in the spring before the grow time of year starts .
When transplant potted plant , supersede the filth .
Grooming Royal Palms
Cuban regal palm do not require grooming . It ’s a ego - cleaning plant .
When the leaf wither , they fall from the tree and new leaves take their place . establish majestic palm incline to lose about one leaf per month .
Removing decease leaves early may help protect the surrounding property . Each folio may matter up to 50 pound and fall from a height of 50 ’ feet or more , depending on the age of the tree .
How To Propagate Royal Palm Tree
disseminate royal palm Roystonea using seeds . novel seeds taken from the plant allow for the good results .
look for the fruit on the industrial plant to ripen and release browned . absent the yield abridgement and allow it to completely dry out before opening it to extract the seed .
The seeds of royal palm Roystonea regia beat about a ¼-inch in diameter .
douse the seeds for five days and absent the tabu flesh .
Start with a 10″ inch pot filled withpeat mossandperlite . The throne should have drain holes .
Make a ¼-inch deep hole and strike down one of the germ at heart . Cover the hole and water the soil .
Place the pot in a shaded area with a temperature of about 85 ° degrees Fahrenheit . When the seedlings emerge and develop two leaf , transplant to a large slew or a lasting outdoor spot .
Dig a holeroughly the same size as its current container . cautiously remove the young plant . The root testicle should cover most of the container .
Place the palm in the hole and lightly compress the soil . Water until the soil is thoroughly saturate .
Cuban Royal Palm Tree Pests or Diseases
Roystonea regia is a relatively pest and disease - free flora , but may digest from fungous disease such as Ganoderma bottom putrefaction . Rot is lethal . If a cross - segment of the trunk becomes fully rotted , the plant will likely exit briefly subsequently .
move out kick the bucket plant , as a falling royal medal Roystonea regina can cause pregnant property damage .
Nutrient deficiencies may cause stain of the leafage . If the parting start to droop , it may hurt from manganese and / orpotassium deficiency . Treat want with the appropriate plant food .
Suggested Royal Palm Tree Uses
imperial palm tree are often used to line streets and bound . reckon growing a row of royal palms to mark the edge of a property .
Keep in judgment that outdoor plants may reach over 60 ’ feet tall and produce a proboscis with a two - fundament diam .
