AGBB 2098 - Certified Colorado Gardener - Green School

  • Noncredit

Join us to learn the basics from our Colorado horticulture experts through our flexible Green School program. The online class content is up-to-date, engaging, self-paced and includes integrated readings, videos, activities and quizzes. Courses are science-based and specific to Colorado’s unique (and challenging!) climate, soil, environment, insects, wildlife, and plants. Classes include:

  • Soils & amendments
  • Botany: how plants grow
  • Colorado gardening challenges
  • Entomology
  • Integrated pest management & plant diagnosis
  • Plant pathology
  • Lawn care / turfgrass management
  • Weed management
  • Science of planting trees & tree care
  • Vegetables
  • Fruit trees
  • Small fruits
  • Pruning
  • Irrigation

FAQ: CSU Green School

What’s the difference between your gardening training programs?

Certified Gardener: Based on the Colorado Master Gardener curriculum, the Certified Gardener program is your opportunity to learn the latest gardening techniques and become an authority for sharing your gardening know-how. These are 100% self-paced with no assignments and no live classes. Learn more about the Certified Gardener program here:

Green School | Full Course: Our certifying full course includes in-depth horticulture training provided by CSU faculty, staff, and specialists that includes a mix of online, self-paced classes, live webinars, and optional weekly reviews. To obtain certification, trainees must complete 7 online classes and attend (or watch the recording) of 2 live classes and pass the comprehensive final.

Green School | Short Courses: Our short courses are self-paced, online and include 5 classes grouped together by relevant topic areas including Colorado Gardening Foundations, Landscape Management Basics, Plant Diagnostics and Growing Food. There are no live weekly class reviews for short courses, but you do have direct email access to course instructors. A certificate of completion will be provided to participants upon completion of all courses.

How long can I access course materials online?
You’ll have access to this Canvas site for one year from the time you enroll.

Full descriptions, syllabus and more available here.

Noncredit courses do not produce academic credit nor appear on a Colorado State University academic transcript.


There are no prerequisites for Green School. Students need reliable internet and a computer/laptop to access course content.

Important Information

Please email the Green School if you have questions.

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