Colorado Gardener Calendar
2026 GARDENING WORKSHOPS, CLASSES, WEBINARS & EVENTS
Want to list a gardening class or event here? It's FREE! Send us your info here »
Bath Garden Center
2000 East Prospect, Fort Collins
Blue Shed Urban Gardens
1064 South High St, Denver
Brigitte Mars, Boulder Herbalist
text 720-633-0790 for information
Butterfly Pavilion
Pollinator Gardening Boot Camp
6252 W. 104th Avenue, Westminster
butterflies.org/pollinator-gardening-bootcamp-2026
CSU Extension Gardening Webinars
Free, advanced registration required.
planttalk.colostate.edu/webinars
Jun 10: All the Common Weeds & What They Tell You
CSU Ext Jeffco Native Plant Master
conativeplantmaster.colostate.edu
Various locations in: Littleton/Golden/Evergreen/Morrison
Colorado Native Plant Society
Webinars, workshops, field trips & events
Colorado State University Food Systems
The Local & Regional Foods Resources & Research Webinar Series
Denver Botanic Gardens
Denver Rose Society Events & Presentations
Aug 8: 10-12pm, Propagating Roses
Denver Urban Gardens (DUG)
dug.org/learn/workshop-calendar
Featured Event
CONSERVATION GARDEN FAIR
at Northern Water in Berthoud
Saturday, June 13 • 9am-1pm
Prizes, Booths, Activities & More
Free Entry
222 Water Ave, Berthoud 80513
northernwater.org/conservationgardensfair
The Flower Bin Summer Festival
& Petting Zoo
June 20-21
1805 Nelson Rd, Longmont, theflowerbin.net
City of Fort Collins
fortcollins.gov/waterwise
Sustainable Landscape Series
Echters Garden Center
www.echters.com
5150 Garrison St, Arvada
Fort Collins Nursery
2121 East Mulberry, Fort Collins
970 482-1984, fortcollinsnursery.com
Growing Gardens
1630 Hawthorn Ave, Boulder • 303.443.9952
growinggardens.org/classes
Harlequins Gardens Sustainable
Nursery & Garden Center
303-939-9403 (Retail), 4795 North 26th St, Boulder
harlequinsgardens.com . Classes are $25.00
High Plains Environmental Center
2698 Bluestem Willow Drive, Loveland
Jared's Nursery
10500 W Bowles Ave, Littleton
jaredsgarden.com/event-calendar
Mountain Roots Gardens
Container Garden Parties
8275 CO Rd 54, Milliken
https://mountainrootsgarden.com
Nick’s Garden Center
2001 S Chambers Rd, Aurora, CO 80014
nicksgardencenter.com
Phelan Gardens
4955 Austin Bluffs Parkway., Colorado Springs, CO
More events at: phelangardens.com
People and Pollinators
Action Network Events (PPAN)
Free webinars and events. For more events, visit:
peopleandpollinators.org/calendar
Resource Central, Boulder
Online and In-Person Workshops & Classes
Rick's Garden Center
1827 West Uintah St, Colorado Springs, CO
719.632.8491, ricksgarden.com
Wildlands Restoration Volunteers Workshops & Volunteering Events
Various locations. Info at: wrv.volunteerhub.co
