Controlled Environment Agriculture Center

Research, Instruction & Extension for Producing Crops
With Sustainability, Efficiency & Eco-Friendliness

January 2018 Intensives

The Tomato & Lettuce Intensive Workshops will be offered at the start of 2018.

[View 2018 Schedules here]
*** Jan 7th is a "combined day".  Registrants attending both workshops will receive a discount. ***

What's Included in CEAC Workshops:

  • 40+ hours of classroom time and hands-on application in the greenhouses on CEAC Campus. 
  • Tours of CEAC's facilities including extensive time in Arizona Vegetable Co./CEAC Deep Water Culture Greenhouse, Teaching & Education Tomato 5000 sq/ft Greenhouse, UAg Vertical Farm, Off-Grid Photovoltaic Greenhouse, Mid-Tech Energy Efficient Greenhouse, CEAC Aquaponics Greenhouse, Mushroom House / Mycoculture Lab, CEAC Head House, Propagation Greenhouse. CEAC's unique facilities show a variety of different greenhouse structures and hydroponic systems (for more than just leafy green production). Structure types include: Gable, Quonset, Saw tooth, and Indoor/Vertical. Nutrient delivery systems include: Ebb and Flow, Deep Water Culture, NFT, Vertical.
  • Access to lecture materials that have been crafted from CEAC's research and educational programs and fine-tuned over the last 10 years.
  • Catered lunches daily, and breakfast for the days that being at 8am.  
  • Discounted Rates for CEAC's 17th Annual Greenhouse Crop Production & Engineering Design Short Course 
  • Personal question follow-ups - Being walking distance from a number of restaurant and bars, our instructor is available to address questions more specific to your operation in a casual setting on select evenings. 
  • Certificate of Completion
  • Arizona tote bags with assorted take home materials

Why CEAC's intensive Workshops?

  • Education immediately meets application – CEAC’s unique facilities support a quality learning experience, where knowledge from classroom lectures is immediately applied in the greenhouse.  
  • Substantial time for immersion – The length and thoroughness of CEAC intensive workshop is unmatched!  You’ll be ripe with knowledge and bleeding green by the time you leave.
  • Experience yields efficiency – CEAC Intensive Workshops have been around for 10 years. With a database of 100’s of common questions and strategic delivery of content, we will address many of your questions naturally throughout the workshop.  In addition, our
  • limited class size offers the opportunity to address questions more specific to your operation.
  • Our misssion is to educate you, not to sell you a product line!  Discussion on equipment and materials for CEA production is unbiased. 


  • Lettuce Intensive Course = $1,195.00

Book your room at the Homewood Suites Here!

About the instructors:

Dr. Stacy Tollefson is our newly appointed CEAC Faculty. She received her Ph.D in Agricultural & Biosystems Engineering, Hydroponic Vegetable Production and Pest Management in December 2014. Currently she works with the UofA-CEAC teaching Introduction to Hydroponics and Greenhouse Pest Management, as a Farm Manager for Maggie’s Farm Arizona, and additionally sits on USDA Hydroponic Taskforce.  Dr. Tollefson gained experience as the Greenhouse Manager for Dr. Rorabaugh's teaching greenhouse for 2 years overseeing pest and disease management for that greenhouse and other CEAC projects.  She was a USDA National Needs Fellow for 3 years and an NSF GK-12 Fellow for 1 year. Her interests include integrated pest management, organic production methods, aquaponics, and education and outreach.


Myles Lewis is a young professional with 10+ years of experience working with a variety of greenhouse systems and crops. His focus has been on transplant, vegetable, and herb production in controlled environments such as greenhouses and growth chambers. Implementing modern agricultural techniques and systems for food production in traditional and non-traditional locations.

Information on Previous Courses

2017 Combined Crop Intensive:

Special Thanks to all that participated!

The tomato instructor was hydroponics and entomolgy specialist, Dr. Stacy Tollefson, and the lettuce instructor was lettuce and business expert, Myles Lewis, MS. Course schedules can be found by clicking the links below. 

2017 Tomato Course Schedule

2017 Lettuce Course Schedule

The tomato instructor was hydroponics expert Dr. Pat Rorabaugh, and the lettuce instructor was lettuce and business expert, Myles Lewis, MS. Course schedules can be found by clicking the links below. 

The 2016 Greenhouse Hydroponic Tomato and Lettuce Intensive Courses 

2016 Course Program

2016 Intensive Flyer

 As an experienced industry professional who attended the 2015 course wrote, “This course was the best short course I have taken during my career. The mix of hands-on learning and lecture is just right. The students came from diverse parts of our industry and definitely added to the experience. Hats off to U of A’s CEAC, leaders in our industry.” We invite you to come to Tucson to learn about hydroponic greenhouse growing and enjoy the warm winter weather!