Tangelo Citrus Tree Diseases

Guide to Reviving Your Tangelo Citrus Tree in Mesa, Gilbert, Sun Lakes, Tempe, Chandler, and Scottsdale.

Fertilizing Your Tangelo Tree

Type of Fertilizer: Use a balanced citrus fertilizer specifically formulated for the needs of these trees. Look for an N-P-K ratio (Nitrogen-Phosphorus-Potassium) close to 2-1-1 or 3-1-1.
Frequency: Fertilize young tangelo trees (up to 3 years old) about 4-6 times per year. For mature trees, apply fertilizer three times a year – in early spring, late spring, and fall.
Amount: This depends on the tree’s age and size. A good starting point is about 1/4 pound of fertilizer for each year of the tree’s age (up to a maximum of 5-6 pounds for mature trees). Consult the fertilizer label for specific dosage instructions.
Application Method:

Spread fertilizer evenly under the tree’s canopy, extending slightly beyond the drip line (the outermost reach of the branches).
Avoid piling fertilizer against the trunk.
Water deeply immediately after application to help the nutrients penetrate the soil.

Important Considerations

Soil Test: A soil test can determine specific nutrient deficiencies, helping you tailor your fertilizer choice. Contact a local extension service for soil testing options.
Slow-Release Fertilizer: Consider using a slow-release fertilizer for gradual nutrient distribution and reduced risk of over-fertilization.
Organic Options: Organic fertilizers like blood meal, fish emulsion, or composted manure provide a natural way to nourish your tangelo tree.

Common Fertilization Problems & Solutions

Yellowing Leaves: This could indicate iron deficiency, common in alkaline soils like Scottsdale’s. Use a chelated iron supplement or adjust soil pH with sulfur amendments.
Nutrient Burn: Brown, crispy leaves can be a sign of over-fertilization. Flush the soil with plenty of water to leach out excess salts.
Poor Fruit Production: If your tree is not fruiting well, ensure it has adequate sunlight and water. Prune regularly for good air circulation and to allow sunlight penetration.

Local Resources for Help

Warners Tree Surgery: (480-969-8808) Local experts specializing in tree care in the Scottsdale area. [https://mesatreedoctors.com]
University of Arizona Cooperative Extension, Maricopa County: https://extension.arizona.edu/maricopa A great resource with science-based information on gardening and plant care in Arizona.
Scottsdale Xeriscape Garden at Chapparal Park: While not specifically citrus-focused, this garden highlights the beauty of desert-adapted plants and can give you ideas for optimizing water use around your tangelo.

Remember: Fertilizing is just one part of proper tangelo care. Ensure adequate sunlight, water your tree deeply but less frequently, and prune for good structure and air circulation.

* Warners Tree Surgery is a Mesa, Arizona (Based) “Family Business”. Our Tree Disease Expert, Warner, is available to help you with your Sick Trees if you live within a 30-mile radius of Mesa. Warner Working, Our Tree Doctor, cares for Many Different Species of Trees in and around the cities of Mesa, Gilbert, Chandler, Tempe, Sun Lakes, and Scottsdale. If You need of a Tree Disease Professional with Over 50 Years of Knowledge and Experience, then Call “Warners Tree Surgery.” Our Number Is: (480) 969-8808 For More Information/Videos Visit Our Websites https://mesatreedoctors.com/ Or https://warnerstreesurgery.com/

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