Commercial Landscaping tasks for May

Climate Information for May in Phoenix, Arizona

As the summer approaches several commercial landscaping tasks need to be performed to ensure strong and healthy plants that will survive the summer heat and keep your commercial landscaping looking vibrant and inviting.

Now is the ideal time to implement a suitable plant and tree feeding but your landscaper  needs to ensure that your irrigation program supports this.  Remember that  there is still potential to over-water which when combined with the warmup will encourage mold and fungal growth.  Your commercial property’s watering schedule will need to take account of the possibility of late winter storms bringing cooler seasonal temperature and rainfall variations as well as expected actual local weather conditions.


Average: 0.1inches
Record: 1.3 inches (1930)


Average High: 93.6 F
Lowest High: 54 F (1915)
Record High:  114 F (1910)

Average Low: 63.9
Lowest Low:  86 F (1983)
Record Low:  39 (1899)

Note: Rainfall and temperatures vary widely within the valley depending upon elevation and microclimate.

 Commercial Landscaping To Do List:

  • Inspect the lawn to determine if it needs to be dethatched.
  • Plant Bermuda grass as the weather warms in earnest.
  • Increase watering as the weather warms.  You still need to be careful not to Be careful to to over water. You should be applying around 1 inch of water to lawn areas per week.
  • Fertilize monthly with the appropriate amount of Iron and Nitrogen for your lawn.
  • Desert tree water use increases rapidly during this period.  They will be leafing out and subject to the increasingly higher air temperatures.
  • Continue to control weeds while they are young, tender, and their roots are manageable, or before they sprout. Be sure to remove before they set seed.
  • Apply mulch around the base of plants to conserve moisture and prevent weeds.
  • Now is the time to start pruning palms.  This is best done either before or after they flower in order to prevent an infestation of  Palm Flower caterpillars.

Don’t Do List:

  • Do not prune citrus except to remove unwanted dead or damaged wood and branches.
  • Remember that pre-emergent herbicides will adversely affect the growth of all seeds.

Discuss these issues with your commercial landscaper.  Any quality Commercial Landscaping company will have a seasonal plan for these items and should be able to give you a timetable of the services that they will be rendering.

Pest and Disease Control

Your commercial landscaping seasonal regimen should take account of  pests and diseases through regular inspection.  Insects and pests can quickly become problematic given the spate of new growth and relatively cooler temperatures.  Keep a look out for:

  • Yellowing
  • Aphid infestations
  • Withering
  • Powdery residue
  • Leaf curling or dropping
  • Seedlings wilting and dying suddenly

Let our experts assess your landscaping to show you how we can help you keep you landscaping looking its best, without headaches and within budget.

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