Cultivating Colorado’s gardeners
From plant diagnostics and soil testing to hands-on education and sustainable landscaping resources, the Colorado Master Gardener program offers tools and services that empower communities statewide. Whether you’re a homeowner seeking reliable horticultural advice, a volunteer looking to expand your knowledge, or a local organization partnering to promote sustainable practices, these programs connect you with trusted, research-based support from CSU Extension experts.

Colorado Master Gardener programs and services
Garden & Landscape
Lawncheck
Lawncheck is an on-site, lawn consultation service for a fee. Service includes recommendations for improving your lawn and solving insect, disease and other lawn problems.
Garden & Landscape
Grow & Give
Join a unique program created to help educate home gardeners on how to grow in Colorado while connecting their backyard produce with Coloradans in need.
Garden & Landscape
Green School
Transform your approach to Colorado gardening with the Green School program from CSU Extension—an online, expert-led course designed for our unique soils, climates, and plants.
Garden & Landscape
PlantTalk Colorado™
Providing reliable, timely gardening guidance tailored to Colorado’s unique climate, PlantTalk™ Colorado offers hundreds of research-based articles and videos on plants, lawns, trees, pest management, and more.
Garden & Landscape
Plant Select®
Plant Select® is a nonprofit collaboration between Denver Botanic Gardens and Colorado State University, specializing in plants rigorously tested to thrive in the high plains and intermountain West.
Agriculture
CSU Soil Testing Lab
The Soil-Water-Plant Laboratory analyzes soil, water, plant, sludge, manure and miscellaneous types of samples from farmers, homeowners, consultants, government agencies and CSU personnel, and provides fertilizer suggestions for improving crop growth.
Agriculture
Colorado Climate Center
The Colorado Climate Center delivers timely climate data, seasonal outlooks and analysis tailored to Colorado’s unique landscapes and weather patterns. It supports decision-making across sectors including agriculture, water management and community resilience.
Garden & Landscape
Gardens
Colorado Master Gardener community and demonstration gardens bring people together to learn, grow, and give back. These gardens serve as living classrooms across Colorado counties, offering hands-on education in sustainable gardening and local food production.