An enormous specimen palm Sir Herbert Beerbohm Tree , the purple palm is aboriginal to Cuba , Mexico and South Florida . It has naturalized in the U.S. in Hawaii .
The imperial medal ( Roystonea regia , USDA hardiness zona 10 to 11 ) * * reaches 50 to 70 feet high , spreading as much as 25 feet , * * so plant this beautiful tree only if you know you have elbow room for it ; otherwise , bask it in public distance like parking area or metropolis streets , where it is commonly planted .
About the Royal Palm Tree
There are 10 dissimilar mintage call " royal palm tree , " most of them native to the Caribbean . R. regiais the most plebeian species grow in the U.S. , in particular Hawaii , but there is also another well - known purple palm , the Caribbean purple palm ( Roystoneaoleracea ) , and both of these metal money now grow in the wild in Hawaii . The leave-taking ofR. regiahave a more upright form , whileR. oleracea ’s frond are more feather - shaped .
The royal palm Sir Herbert Beerbohm Tree is fast - farm , with a growth pace of about 24 inches per year . These trees are self - cleanup , which means that beat and dying leaves drop off of their own pact , usually about one folio per month .
While this sound like a gravid thing and gain sustainment soft , these leaves are huge—10 to 15 feet long — and consider about 50 lbs . when fresh , so they can bruise hoi polloi and property when they suddenly drop from 70 groundwork up .
TheR. regiaroyal palm is also recognise by the common names Cuban royal decoration and Florida royal ribbon ; its scientific name is sometimes also assigned to a different species , Roystonea elata , and even to a unlike genus , Oreodoxa regia .
Planting and Basic Care
- Location :* * pick out a full - sun or fond - shade emplacement where your Sir Herbert Beerbohm Tree can be 10 feet from construction or flora .
- Watering :* * While the territory can be either loamy or flaxen , these trees have heavy urine requirements , so the sandier the dirt , the more frequently you necessitate to water . The majestic palm tree diagram ask minuscule care , but do n’t lease it dry out out when it is still young .
- Soil pH scale :* * Furthermore , imperial palms are not fussy about soil pH , which can be more or less alkaline or slightly acidulent . Avoid too - alkaline soils , however , as this can lead to an Fe deficiency .
- Maintenance :* * You may decide toremove the browning leavesbefore they fall off if the Sir Herbert Beerbohm Tree is place in an area where these very heavy leaf could damage other vegetation , property or people .
Nutrient Deficiencies, Diseases and Pests
The purple palm tree is susceptible to some nutrient deficiencies , fungal disease and plague , which may demand even fertilization with a product that admit the micronutrients the medal is missing ..
Lack of Nutrients
Three primary nutrient want plague regal palms : potassium , atomic number 25 and boron , evidenced by these symptom :
Any of these deficiencies can kill a royal medallion . Manage them using a tiresome - release fertilizer of the conceptualization 8 - 2 - 12 - 4 Mg or 8 - 0 - 12 - 4 Mg , where the first three numbers equate to nitrogen , phosphorus and potassium , while the 4th telephone number is magnesium ( Mg ) .
For a deficiency of manganese , add a soil practical program of manganese sulphate or spray it instantly on the foliation for quicker results . For a boron deficiency , implement slow - liberation atomic number 5 .
In all cases , read the product instructions and , ideally , look up a professional landscaper to check that that the lack is correctly identified and that the total of plant food you are applying are appropriate .
Tip
Fungal Diseases
Two serious fungal diseases can affect a royal decoration , decompose the trunk : Ganoderma rear rot and Thielaviopsis automobile trunk rot . Ganoderma rear end rot affects the bottom 3 feet , while Thielaviopsis body rot invades the tree through a wound in its upper trunk .
If the disease is knockout , the xylem of the Sir Herbert Beerbohm Tree , through which water is conducted , is affected , and you ’ll start to see all in and dying leaves .
Inbutt rot , a badly diseased tree give rise a conk , which is a reddish - brown growth with a blank sharpness at the base or coming out of the bole . Once a conk is respect , the tree will not recuperate , so the only option is to remove the tree diagram to avoid unfold the disease .
Intrunk rot , you may observe no symptoms , and the tree may appear hefty aside from some bow hemorrhage until it collapses or the canopy falls off . This is quite a dramatic occurrence ! Fortunately , this condition is passably uncommon . It can not be reversed .
Insect Pests
The primary pest that might target your royal palm is capably named : the royal thenar hemipteran ( Xylastodoris luteolus ) . The leafage damage is similar to atomic number 19 or manganese problems , but these bugs run to attack the mid - canopy leaves rather than those that are very young or very matured .
If the leaves on the tree are low enough for you to look at them , you may see brown streaks or the germ themselves , which are modest , unripened and oval .
No residential chemical substance is urge for home use . or else , boost rude predators such as spiders .
