Colorado State University Extension
Offers in-depth day-long horticulture classes

Classes will be taught by Colorado State University faculty and Horticulture Agents.

student examines insect in microscope


  • Diagnostics and Plant ID, Jan. 22
  • How Plants Grow, Jan. 29
  • Soils, Fertilizers and Soil Amendments, Feb. 5
  • Turf Management, Feb. 12
  • Plant Pathology, Feb. 19
  • Entomology, Feb. 26
  • Vegetables, Mar. 5
  • Turf Weed Management, Mar. 12
  • Science of Planting Trees and Care of Woody Plants, Mar. 19
  • Noxious Weeds (1/2 day class) Mar 26

Where: Extension office 17 N. Spruce Street, Room 226A in Colorado Springs

Cost: $65 per class, payable at the Extension office by check, cash or money order no later than 8:30 a.m. on the day of class. Credit Card payments are handled online by

Pre-registration at least four days before class is required.

Click here for a registration form.

Call 719-520-7688 or click here for more information.

Colorado Master Gardener Help Desk

17 N. Spruce (just west of I-25 and Bijou).

Help Desk phone: 719-520-7684

Help Desk email:

During the fall and winter months, the Master Gardener Help Desk operates on an as-needed basis and it may take up to 10 business days to answer your question. For a faster response, visit to send a question to the national Ask an Expert network.

If you’re bringing in a grass sample, we need a shoebox size of half-dead, half-alive turf.

If you’re bringing in a tree branch or shrub, we need an 18” piece of half-dead and half-alive.

The Extension Office is open from 8:00am to 5:00 pm, but closed from noon - 1:00 for lunch.