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Your September Landscape Watering Reminder

Post Date:09/07/2017 12:44 PM

Wow – it’s still HOT, but with higher humidity and shorter day length, water needs of plants is not as high as it was in mid-summer. Remember that September 30 is the ‘official’ end of the monsoon season, so there’s still hope for more summer rains. September is also when activities BEGIN for seeding winter rye grass (we suggest not doing so until October). And, once again, we encourage all water customers to consider limiting, or forgoing, this practice. Find details in Bonus Tips below.

These recommendations are for plants that are established in the landscape (in the ground about 2 years).

Lawn watering

  • Summer grass (Bermuda) - once every 4 or 5 days
  • Overseeded cool season grass (rye) – 4x per day for 1st 7 to 10 days to germinate (October is a better time to seed)

If trees and shrubs are on the same valve

  • Desert Adapted - once every 18 days
  • High Water Use - once every 9 days

 Tree watering

  •  Desert Adapted - once every 21 days
  •  High Water Use - once every 10 days

Shrub watering

  • Desert Adapted - once every 16 days
  • High Water Use - once every 7 days

Groundcover and vine watering

  • Desert Adapted - once every 16 days
  • High Water Use - once every 5-6 days

Cacti and succulent watering - once every 28 days

Annuals watering - once every 3-4 days

Note: These recommendations are a general guideline only and may need to be modified for your specific site conditions.

++Bonus tips++

sprinklers for overseedingWINTER RYEGRASS: TO OVERSEED OR NOT TO OVERSEED: Let us help with our Top Ten Reasons Not to Plant a winter lawn. These just might be the excuses you were looking for.


GASP! ARE YOU GOING TO PLANT WINTER GRASS ANYWAY? THEN PLANT WINTER GRASS CORRECTLY
. Learn more in this AMWUA blog from turfgrass researchers at the University of Arizona’s Maricopa County Cooperative Extension program.

TOP LANDSCAPE NEWS AND MORE: Wondering what you can plant to attract Monarch butterflies? Thinking about removing your lawn to install a colorful, easy-care desert landscape? Have you ever been to Alamo Lake? Check out our August news at Water - Use It Wisely. Scroll to the bottom of the web page to subscribe for these monthly topics.

ONLINE WATER-EFFICIENT LANDSCAPE GUIDE: Start planning for fall landscaping! SRP hosts this online program that includes a landscape gallery, sample landscape plans and hundreds of design ideas.

MESA URBAN GARDEN: Heck yea, it’s time to garden! If you don’t want all the muss, fuss, weeding, digging and amending, why not just rent a garden bed from Mesa Urban Garden? Beds are ready for planting! Soil, irrigation system and water are all included. Contact Laurie at 480-202-3022 or rdh1975@aol.com. Here are upcoming events at the garden, located at 212 E 1st Ave:

  • SEPT 30: Open House & Volunteer Fair, 9-11 a.m. – Want to learn more about the Mesa Urban Garden? Looking for a great place to garden or to contribute to your community directly with your time & talents? Stop by and learn how it all started, how you can rent a bed, or hear about all of our current volunteer opportunities. We have a variety of roles and are a 100% volunteer run urban garden committed to providing a community space to learn and grow!
  • OCT 7: Garden Multi-Tasking: Edible Flowers and Seed Saving. Don’t miss this fun workshop by Catherine, The Herb Lady, where she will explain how edible flowers and seed saving creates multiple benefits in your garden. She will discuss regional adaptation for stronger plants and edible flowers multitasking from garden to kitchen. Catherine will also answer your gardening questions and tell you what to plant NOW!

SEED LIBRARY at Mesa Main and Red Mountain Libraries. The Seed Library allows library card holders to check out three seed packets per month for free. Choose from a wide variety of seeds for edible plants and herbs, bring your seeds home to grow, and save the seeds to donate back to the library.

Seed Library at RM


LOTS OF FALL CLASSES - SAVE THE DATE!

  • SEPT 14: FALL VEGETABLE GARDENING. The cool season is one of our best growing times. Don’t miss this class taught by the entertaining Master Gardener Pam Perry! She’ll demonstrate how to set up your bed, get the best soil and watering systems, and teach you the best vegetables to grow for the season. Register.
  • OCT 22: WINGS & THINGS: ATTRACTING POLLINATORS. Would you like to create a pollinator habitat for butterflies, hummingbirds and bees? Master Gardener, Gail Morris brings incredible expertise on the topic. She is the Coordinator of the Southwest Monarch Study and participates with other amazing organizations. Register.
  • OCT 28: MESQUITE PANCAKE BREAKFAST. Come on out and enjoy a scrumptious breakfast including pancakes made from mesquite flour! You’ll also be supporting Trees Matter, a nonprofit supporting tree planting in the Valley. Register early, it will sell out quickly! Details.
  • NOV 4: Are you into birds and gardens? It’s almost here, the annual, bird-friendly, water conserving, East Valley garden tour. Get great ideas from local birding and garden enthusiasts own backyards. More details at 2017 Tour de Bird including locations and maps.
  • WATER - USE IT WISELY Calendar of Events features landscape workshops happening across the Valley.
  • NOTE: Fall plant sales are coming up in October!

HOW LONG should you run your irrigation? Each time you water, be sure to water deeply. About 1 foot for groundcovers, 2 feet for shrubs and 3 feet for trees. How long is that? See our landscape watering guide for a quick and easy way to determine your run times. For example, a 10-foot diameter tree would need about 59 gallons each time you water (click on online watering guide or see pg 9 for charts). If you have three 2-gallon per hour emitters on that tree, your run time would be 10 hours! Yikes! That’s OK if your clock allows, but you can drop your run time by adding emitters or replacing your three 2 gallon per hour with 4 gallon per hour (3x4=12 gallons per hour, 59/12 = a 5 hour run time). It’s just a little math!

**Reduce your landscape watering 30 to 50 percent by adjusting your irrigation each season.** “Landscape Watering by the Numbers: A Guide for the Arizona Desert” will help you determine how much water to apply and how long to run your system. Visit the interactive website or request a free copy of the booklet at www.wateruseitwisely.com.

-H2O-

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