Maricopa County Master Gardener
Events
2023 Citrus Clinic

The Citrus Clinic features the foremost state citrus experts, including University of Arizona faculty and noted local professionals. The speakers will present one session per night over four nights on topics to assist backyard citrus growers with selection and care.
Virtual Clinic January 17-20, 2023
- Cost $15
- Online via Zoom (Links emailed January 16)
- One topic each night (recorded and viewable until February 6, 2023)
- Irrigation and Fertilization
- Citrus Diseases
- Citrus Selection
- Citrus Pests
- Register Here!
Add-On Bonus In-Person January 21, 2023
- Additional $10(must purchase online as an add-on registration)
- Location: Greenfield Citrus Nursery
- 9am-12pm, gates will open at 8:30am
- Select and rotate stations every ½ hr 9-11:30am Q&A 11:30-12pm
- Display with 70+ varieties and Tasting Table (select varieties)
- Irrigation
- Fertilizing
- Deciduous Fruit Trees
- Pests
- Diseases
- Planting and Pruning
- Dates for the Home Grower
- Ask a Master Gardener table will be there to answer garden questions.
*Optional Citrus Guide available for purchase at the in-person event $5*
In-Person event will occur Rain or Shine. No refunds on virtual or in-person registration.
2022 Fall Festival and Plant Sale

October 22, 2022 8am-1pm
Metro Tech High School 1900 W Thomas Rd Phoenix, AZ 85015
Free entry. Parking in the Thomas Rd parking lot. Bring cash or check (some vendors and student clubs are cash or check only).
Fall Festival and Plant Sale is an annual Master Gardener tradition. The festival started in 2001 as the “Perennial Divide,” as a way for Master Gardeners to swap or sell their cuttings, divisions, and plant starts with one another. In October 2002, Master Gardeners partnered with Metro Tech High School to offer what is now known as the Fall Festival and Plant Sale.
8am-1pm Metro Tech High School, 1900 W Thomas Rd,Phoenix, AZ 85015
Free entry. Parking in the Thomas Rd parking lot. Bring cash or check (some vendors and student clubs are cash or check only).
Explore the plant sale and vendors, seek garden advice, and support student-made creations.
- Plants grown by Maricopa County Master Gardeners, Metro Tech students, and invited growers
- Food, crafts, and more from vendors and Metro Tech student clubs
- Prize Drawings
- Rummage Sale where you can select gently used household items, books, small furniture, garden items for purchase.
- Do you have a garden problem? Need help with your landscape plants? Want to know the best way to plant your new plants picked up at the sale? Visit the Ask a Master Gardener booth.
Please check out our Facebook page later in September for plant sale updates and details. https://www.facebook.com/MaricopaCountyMasterGardeners
If you are interested in becoming a vendor at a future Fall Festival, please contact Beth Reidhead, breidhead@arizona.edu, for details on vendor requirements.
Spring Plant Sale March 2023 Date and location to be announced soon.