Controlled Environment Agriculture Center

Research, Instruction & Extension for Producing Crops
With Sustainability, Efficiency & Eco-Friendliness
The Hydroponic Greenhouse Tomato & Lettuce Intensive Workshops will return June 5-12, 2017.
The workshops will be held in Tucson, AZ at the CEAC (1951 E. Roger Rd. Tucson, AZ 85719).

Register Here

Focus on Tomato: June 5 - 9, 2017, [View Schedule]

Focus on Lettuce: June 9 - 12, 2017, [View Schedule]

Additional Information:
  • Informational Flyer
  • Homewood Suites Booking Link 
    • We highly recommend that you stay at the Hilton Homewood Suites, especially if you will not have a car.  The hotel is walking distance from CEAC, has a miniature kitchen, and is convenitently located near dining esablishments and grocery stores.
  • Registration Fees
    • Tomato Intensive = $1,195.00
    • Lettuce Intensive = $1,195.00
Contact Austin,, with questions.

About the course:
  • Hands-on intensive training is hydroponic crop production. Focusing on Tomatoes and/or Lettuce.

  • Training, balancing classroom and greenhouse time, is provided by professionals in the growing field of Hydroponics and CEA.

  • Topics include: Greenhouse Basics, Hydroponic Crop Layout, Pollination, Food Safety, Business Basic, Crop Maintenance, Pruning, Harvesting, Plant Nutrition, Integrated Pest Management, Organic Nutrition.

  • Round Table Discussion with Top Greenhouse Engineers.

  • New topics this year include a section on organic hydroponic nutrition and discussions on vertical farming and lighting.

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!