Triangle palm ( Dypsis decaryi ) add that tropical feel to the landscape . Its common name describes the coming into court of its blue - green frond , with leaf root ( petioles ) forming a triangular material body at their fundament and grow from the top of the trunk in stack and overlapping row of three , which also form a triangular physical body .
This single - stemmed palm grows to 20 foot tall with a 12- to 15 - human foot spread . The triangle palm ontogenesis charge per unit is restrained , at the pace of 12 inches a class , concord toCal Poly ’s Urban Forest Ecosystems Institute . Its limited wintertime - intrepid perennial range is inUSDA engraft hardiness zones10 and 11 , which includes southern California , southern Florida , and Hawaii .
Provide Sufficient Water
Water the tree for long period of time once a hebdomad when young and every other workweek for old trees . start the pee in a 3- to 6 - foot diameter of the proboscis , as the root system spreads far . Cut watering back to once a month in early winter to prevent the tree from halt scathe .
Use Specially Blended Palm Fertilizer
Apply an extra battery-acid of palm fertilizer if the tree develops yellow in the crown , yellow or decolourize to the fronds or topographic point on the fronds that just do not look normal . These are house of a nutritional want , more often than not a potassium depletion , usually triggered by using a general - intention plant food not made especially for palms .
TheUniversity of Florida IFAS Extensionnotes that you may have to stay to a unconstipated fertilize regimen ; otherwise , triangle palm ’s fronds will go on to move around yellow . perform a soil trial — or having it done for you by your local Cooperative Extension Service — accurately diagnose any nutritionary deficiencies or excess , and egest the guesswork for how much fertilizer you need to give your triangle medallion .
If the tree develops yellowing in the crest , yellow or decolorise to the frond or smear on the frond that just do not look normal , apply an special dose of palm fertiliser .
Observe Proper Pruning Techniques
curve off ribbon fronds that are yellowing or dead as faithful to the stem as potential , using a ladder and long - handled pruner . Avoid pruning broken frond as long as they ’re green , because they gather nutrition for the tree and cut them off will lead the tree weak .
Do not endeavor to climb the tree diagram to bump off utter frond . you may get pain or damage the tree . If it is too high for you to reach , call a professional such as an arborist .
Best Uses and Locations for Triangle Palms
In its native Madagascar , triangle palm is menace because of the prolific harvest home of its seeds . Without the ability to circulate itself through seminal fluid dispersal , the trees are becoming more scarce in their aboriginal home ground .
Because it ’s drought - large-minded , this palm often is used as a planting in buffer strips along the highways in the U.S. As an ornamental , trigon palm embellish many landscape , and it ’s particularly effectual when planted as a focal stage that features its gracefully arching fronds .
As a landscape specimen or container works , it flowers in spring by producing a 5 - metrical foot - marvelous flower stalk near its base that ’s covered in small , yellow flowers . When the flowers pass off , a profusion of egg - shape fruits shortly postdate , get on from green to yellowish - blank .
Triangle decoration grows good in full sun to partial shade on nutrient - plenteous soil with regular irrigation , although mature plants are drouth - resistant and adapt to develop on misfortunate soil . It ’s not finicky about soil type but prefers a land pH that ’s close to indifferent , only slightly acidic to slightly alkaline .
