Coconut Queen Palm Tree Arizona

Elegant, graceful queen palms (Syagrus romanzoffiana), native to Brazil and Uruguay, grow up to 50 feet tall and give a dramatic, tropical touch to landscapes. Grown in U.S. Department of Agriculture plant hardiness zones 9 through 11, queen palms like well-drained acidic soil and may suffer deficiencies of manganese or iron if you grow them in alkaline soil. You can correct these deficiencies with proper fertilization.

The queen palm tree a beautiful looking, finer, feather leaf tropical specimen that is quite popular in landscapes all across the southern United States.

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Manganese, Iron and Potassium

Alkaline or 'sweet' soil has a pH above 7; acidic or 'sour' soil, typically more moist, has a pH below 7. Symptoms of manganese deficiency in queen palms include yellowing along the veins of mature leaves and dead spots along the veins of newer leaves. Leaves may emerged withered, scorched and stunted, called “frizzletop.' Severe manganese deficiency can kill your tree. To treat, apply 1 to 3 pounds of manganese sulfate under your tree. Iron deficiency results in yellowing along the veins of the newest leaves. As the symptoms get worse, the leaves die at the tips. Treat with a fertilizer containing chelated iron, a form that makes the iron able to enter plant cells more easily.

Potassium Deficiency

Older leaves of queen palms grown in well-drained soil may also suffer from potassium deficiency. Potassium deficiency results in translucent yellow-orange or dead spots on the leaves and their edges may rot and frizz. Mature leaves show symptoms first and the symptoms are worse on the edges and tips. Treat with sulfur-coated potassium but apply magnesium at the same time to avoid an imbalance of potassium and magnesium.

Magnesium and Boron Deficiency

Palms suffering from magnesium deficiency show broad lemon-yellow bands on the edges of older leaves, progressing to newer leaves. You will see a distinct boundary between the yellow and green portions of the leaves and the tips may eventually rot. Apply prilled kieserite, a water-soluble form of magnesium sulfate, to prevent or correct magnesium deficiency, but affected leaves will not recover. Boron deficiency will crumple new leaves and can cause the trunk to bend sharply, growing horizontally. To treat boron deficiency apply 2 to 4 ounces of borax or boric acid to your tree. Do not exceeded the recommended application rate; too much born can be toxic to your tree.

Palm Tree Fertilizer

You can often find special palm tree fertilizer in garden supply centers that contains about three times as much nitrogen and potassium as phosphorous. The fertilizer package should show 3-1-3, the numbers showing the ratio by weight of nitrogen (N), phosphorus (P) and potassium (K). Special palm fertilizers contain a N-P-K ratio of 2-1-3-1 with the last number referring to the addition of magnesium (Mg). This fertilizer is especially recommended for sandy soils that are poor in nutrients. Other palm fertilizers are 8-4-12-4 or 8-2-12-4. Palm tree fertilizer is sold both in slow-release granular form and spikes -- compressed fertilizer in stick form. Palm fertilizer should release nitrogen, potassium and magnesium over a three-month period. Do not apply turf fertilizers containing water-soluble potassium within 30 feet of your tree.

Applying Fertilizer

Mid-spring and summer are the best times to fertilize your queen palm. Apply four yearly applications of 1-1/2 pounds of granular palm fertilizer per 100 square feet of canopy or six yearly applications of 1 pound per 100 square feet of canopy. Spread the fertilizer under the canopy but not next to the trunk then water thoroughly to a depth of 2 feet. To use fertilizer spikes, maintain a grass-free ring at least 1 foot from the trunk of your tree and drive the fertilizer sticks into this area with tops of the spikes 2 to 3 inches below the ground.

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• 4 Grow Your Own Dates

Members of the family Arecaceae, palm trees are an ancient and diverse group of trees that bear fruit containing one or multiple seeds. Many of these fruits are hard or tough and suitable for consumption only by wildlife, such as birds and squirrels. However, a number of palms produce fruit that is good for human consumption or useful for other commercial purposes.

Coconut Palm

The coconut palm (Cocos nucifera) is a tall, tropical tree that grows well in U. S. Department of Agriculture plant hardiness zones 10b to 11. The fruit of the coconut palm consists of a fibrous, hard seed coat surrounding a large, edible seed or nut. The highly nutritious nutmeat has many culinary uses and can also be pressed to produce coconut milk. Coconut oil, an edible semi-solid fat extracted from the nutmeat, is used in chocolate and ice cream, as well as products such as soap, hair conditioner, ointments, lubricants, rubber and paint.

Date Palm

Members of the genus Phoenix, date palms range in height from 10 feet to more than 80 feet, depending on the species. Female date palms bear fruit if a male tree is nearby, but not all species bear fruit that is good for human consumption. The main trees used for commercial date production are the date palm (Phoenix dactylifera) and the silver date palm (Phoenix sylvestris), both of which grow in USDA zones 9 to 11. Dates are grown commercially throughout the Middle East and Northern Africa and also southern California and Arizona. Many types of date trees are grown as ornamental landscape plants throughout the southeastern and southwestern United States.

Jelly Palm

The jelly palm (Butia capitata) is a cold-hardy, small to medium-sized tree with long feathery leaves. It produces clusters of small edible yellowish-orange fruit. The fruit is sweet, but somewhat tart and fibrous and is often used to make jelly. Native to South America, the jelly palm tolerates occasional winter lows to 15 degrees Fahrenheit and grows well in USDA zones 8 to 9.

Chilean Wine Palm

The Chilean wine palm (Jubaea chilensis) grows approximately 80 feet tall with a thick, sturdy trunk. This palm bears small orange fruits that contain brown hollow seeds about 2 inches in diameter. These seeds look and taste similar coconuts. The tree also produces a sugary sap that can be boiled down to make syrup or fermented to make wine. However, extracting the sap eventually kills the tree. The Chilean wine palm prefers cooler temperate areas and grows well in USDA zones 8 to 10.

Guadalupe Palm

The Guadalupe palm (Brahea edulis) prefers sunny Mediterranean climates and is hardy to 20 F. This tree is native to Guadalupe Island, a small volcanic island off the western coast of Mexico. The Guadalupe palm bears small fleshy fruit, similar in taste and texture to a date. The fruit is often used for making jelly and jam. This tree reaches about 30 feet tall in USDA zones 9a to 11.

References (6)

• Sunset Western Garden Book; Kathleen Norris Brenzel, ed.

About the Author

Based in the Atlanta area, Charlene Williams has been writing and editing since 1988. She has over 15 years of experience working as a technical writer in the software industry. She has worked as a freelance writer for the past five years, and is a contributing writer for eHow and Answerbag. Williams holds a Bachelor of Arts in English from Kennesaw State University.