Maricopa County Master Gardeners

Maricopa County Master Gardeners Maricopa County Master Gardeners use science-based research to educate and advise home, school, and community gardeners to grow responsibly in the low desert.

Master Gardeners volunteer their time and expertise. Our Goals:
Increase efficiency of people's landscapes. Decrease excessive use of pesticides, water, and fertilizers. Decrease amount of green waste in landfills. Increase school and community gardening efforts.

09/04/2026

Want to save money and grow your own **vegetable, fruit, and flower transplants from seed** instead of purchasing expensive store-bought starts? This hands-on workshop will help you learn how to successfully start seeds and give your seedlings the care they need to thrive.

Join us **Sunday, September 20, 2026, from 2:00 PM–4:00 PM** for this in-person gardening workshop with **Beth Reidhead, Maricopa County Master Gardener Coordinator**.

🌱 **In this hands-on workshop, you’ll learn:**
• What vegetables, fruits, and flowers transplant well—and when to start them
• Seed-starting mixes and growing media
• Seed treatments and transplant success
• How to care for seedlings, including watering, fertilizing, light, and air requirements
• How to **harden off** your transplants and take off the “training wheels”
• Tips for growing healthy garden starts from seed

🌿 **ALL SUPPLIES ARE INCLUDED!**
You’ll have the opportunity to try seed-starting techniques yourself during class.

📅 **Sunday, September 20, 2026**
⏰ **2:00 PM–4:00 PM**
📍 **University of Arizona Maricopa County Cooperative Extension**
4341 E Broadway Rd, Phoenix, AZ 85040

💲 **Regular Registration: $35** — September 3–September 19 at 1 PM
Register at https://events.trellis.arizona.edu/en/f44lNu67/g/jKMfGecQ5Z
🚨 **Registration closes Saturday, September 19 at 1:00 PM**
❌ **No walk-ins**
⚠️ Registration is **non-refundable**

🌱 If you've ever wanted to learn how to start your garden from seed, this is your chance to DIG IN!

🌱 ONE WEEK NOTICE! Fall Gardening in the Sonoran Desert 🌵Fall is our season to shine in the Sonoran Desert! 🍂 Cooler tem...
09/04/2026

🌱 ONE WEEK NOTICE! Fall Gardening in the Sonoran Desert 🌵

Fall is our season to shine in the Sonoran Desert! 🍂 Cooler temperatures and shorter days create the perfect opportunity to grow an abundant vegetable garden—with a little more ease and water than during the summer months.

Join us Thursday, September 10, 2026, from 6:15 PM–8:15 PM ONLINE for a fun and informative gardening class with Melissa Kruse-Peeples.

🌱 What You’ll Learn:
• What cool-season crops to plant this fall
• Soil preparation and fertilization for root and leafy green crops
• How to prepare for frost, insects, weather, and changing water needs
• What to do if your monsoon garden is still producing
• A handy mnemonic to help you remember what to plant—and soon you’ll be ready to BRAG about your Peas! 🫛

📅 Thursday, September 10, 2026
⏰ 6:15 PM–8:15 PM
💻 Online Class
💲 Registration: $20 (Non-Refundable)
⏳ Registration closes Wednesday, September 9 at Noon

👉 Register here: Register for Fall Gardening in the Sonoran Desert

🌵 Get your garden ready for fall and make the most of Arizona’s best growing season!

08/26/2026

Last chance to join DIG ONLINE: Mastering Irrigation in the Desert with Donna DiFrancesco, horticulturist and Conservation Coordinator for the City of Mesa.
Stop watering on autopilot. Learn how to use the newly updated Landscape Watering by the Numbers guide to match plant type, soil, emitter rates, and seasonal demand — so you water deeply, infrequently, and efficiently in Arizona’s desert climate.
You’ll walk away able to:
• Calculate accurate run times
• Spot and fix common watering mistakes
• Adjust schedules seasonally for healthier plants and real water savings
📅 Thursday, August 27, 2026
⏰ 6:15 – 8:15 PM (Online)
💵 $20 non-refundable
👉 Register before it closes tomorrow at noon:
https://events.trellis.arizona.edu/en/f44lNu67/g/jKMfGecQ5Z
Class link & handouts sent the day before. Don’t miss it!

⏳ One week left to register!🌵 Ready to stop guessing and start watering like a pro in the Arizona desert?Join DIG ONLINE...
08/20/2026

⏳ One week left to register!
🌵 Ready to stop guessing and start watering like a pro in the Arizona desert?
Join DIG ONLINE: Mastering Irrigation in the Desert with Donna DiFrancesco, horticulturist and Conservation Coordinator for the City of Mesa. She’s sharing the newly updated Landscape Watering by the Numbers guide and showing exactly how plant type, soil, emitter rates, and seasonal demand work together.
You’ll leave knowing how to:
• Calculate proper run times
• Fix the most common watering mistakes
• Adjust schedules seasonally for healthier plants and real water savings
📅 Thursday, August 27, 2026
⏰ 6:15 – 8:15 PM (Online)
💵 Only $20 (non-refundable)
⏳ Registration closes Wednesday, August 26 at Noon — one week left!
Perfect for landscape pros, educators, and homeowners who want deeper roots and smarter water use.
👉 Secure your spot now: https://events.trellis.arizona.edu/en/f44lNu67/g/jKMfGecQ5Z
Class link & handouts sent the day before.

# #

⏳ One week left to register!🌳 How much is shade really worth?Join DIG IN PERSON: Made in the Shade – Expanding Urban For...
08/16/2026

⏳ One week left to register!
🌳 How much is shade really worth?
Join DIG IN PERSON: Made in the Shade – Expanding Urban Forests with expert Cathy Rymer this Sunday and learn how the right trees can slash energy costs, cool pavement and cars, store carbon, and grow biodiversity in your landscape.
You’ll explore 30+ Arizona-friendly trees and walk away knowing how to:
• Choose the best trees for your style and space
• Plant, water, and prune correctly
• Spot pests, diseases, and early signs of tree failure
📅 Sunday, August 23, 2026
⏰ 2:00 – 4:00 PM
📍 UA Maricopa County Cooperative Extension
4341 E Broadway Rd, Phoenix, AZ 85040
💵 $20
👉 Register before time runs out: https://events.trellis.arizona.edu/en/f44lNu67/g/jKMfGecQ5Z

🍂 Fall is the best season to grow in the Sonoran Desert — and it’s almost here!Join us for this online class and learn h...
08/14/2026

🍂 Fall is the best season to grow in the Sonoran Desert — and it’s almost here!
Join us for this online class and learn how to plan a thriving cool-season vegetable garden with less stress and smarter water use. Discover a simple mnemonic that will have you BRAG-ging about your Peas, plus practical tips on soil preparation, fertilization for roots and leafy greens, and how to handle frost, insects, and changing water needs.
We’ll also cover what to keep (and what to clear) if your monsoon garden is still going strong.
📅 Thursday, September 10, 2026
⏰ 6:15 PM – 8:15 PM (Online)
💵 $20 non-refundable
⏳ Registration closes Wednesday, September 9 at Noon
Perfect for home gardeners ready to make the most of Arizona’s ideal fall growing weather.
👉 Register now: https://events.trellis.arizona.edu/en/f44lNu67/g/jKMfGecQ5Z
Class link & handouts sent the day before.

🌱 Ready to grow your own transplants and save money?Join us in person for DIG Workshop: Sow It Begins – Starting Garden ...
08/12/2026

🌱 Ready to grow your own transplants and save money?
Join us in person for DIG Workshop: Sow It Begins – Starting Garden Transplants From Seed with Maricopa County Master Gardener Coordinator Beth Reidhead.
Skip the expensive store-bought starts! In this hands-on class you’ll learn seed starting mixes, seed treatments, and how to successfully grow vegetable, fruit, and flower transplants. You’ll even try it yourself — all supplies are included.
You’ll walk away knowing how to:
• Choose the right crops and timing for transplants
• Select the best grow media
• Care for seedlings (watering, fertilizing, light & air)
• Harden off plants so they thrive outdoors

📅 Sunday, September 20, 2026
⏰ 2:00 PM – 4:00 PM
📍 UA Maricopa County Cooperative Extension
4341 E Broadway Rd, Phoenix, AZ 85040

💵 Early Bird $30 (register by Sept 4) | Regular $35
⏳ Registration ends Saturday, Sept 19 at 1 p.m.
🚫 No walk-ins | All supplies included | Non-refundable
👉 Register now: https://events.trellis.arizona.edu/en/f44lNu67/g/jKMfGecQ5Z

Address

4341 E Broadway Road
Phoenix, AZ
85040

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+16028278201

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