Master Garden Online Course

Who Should Join:
Anyone with an interest in environmentally responsible landscaping and gardening in Pinal County and a desire to teach those principles/skills from research-based materials to others.

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Register Now!

The Master Gardener online classes are taught by University of Arizona, Cooperative Extension faculty, industry professionals, and other horticulture experts.

Participants will learn the fundamentals of selecting, installing, and maintaining healthy, sustainable landscapes and gardens suited for Pinal County’s unique environment.

Through this program, The University of Arizona, Cooperative Extension trains gardening enthusiasts to become certified Master Gardener volunteers—empowering them to help their community grow better gardens and create more sustainable landscapes.

Course Information

• Course Start Date: January 12, 2026
• Registration: Required
• Course Fee: $200
• Arizona Master Gardener Manual: $55 (separate purchase)

Spring Course

January 12, 2026

• Botany
• Soils, Fertilizers, Composting
• Entomology
• Plant Pathology
• Orientation to Master Gardeners
• Integrated Pest Management
• Plant Propagation
• Tree and Shrub Pruning
• Herbaceous Ornamentals
• Landscape Design
• Irrigation Design & Efficiency
• Citrus
• Cactus and Succulents
• Desert Plants and Xeriscape
• Vegetables and Herbs

Contact Us

Eva Gonzalez, Administrative Support Assistant I
The University of Arizona, Cooperative Extension, Pinal County
820 E. Cottonwood Ln., Bldg. C
Casa Grande, AZ 85122

• Office: (520) 340-4193
• Email: [email protected]

See the Pinal County Cooperative Extension’s Facebook page for up to date information.