2019 Landscape Calendar – Arizona

March

• Finalize your lawn care and plant healthcare programs
• Prune most evergreen trees and shrubs
• Last chance to prune citrus, ficus and other sun-sensitive trees
• Spray olive trees

April

• Adjust your irrigation timer
• Increase duration, not just frequency, of tree watering cycles
• Spray olive trees
• Fertilize and mulch trees

May

• Prune to help prevent damage in monsoon winds, especially eucalyptus and mesquite trees
• Trim date palms after May 15th
• 2nd application of citrus fertilizer

June

• Watch closely for signs of pests and diseases—schedule treatments as needed
• Adjust or install staking on young trees
• Plant and transplant palm trees in summer heat
• Prune queen palms after June 1st and Mexican fan palms after June 15th

July

• Prune California fan palms after July 15th
• Treat plants stressed by summer heat with ArborKelp®

August

• 3rd application of citrus fertilizer

 

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