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Colorado Gardener Calendar

High Plains Environmental Center - Native Plant Sale




Colorado Native Plant Society webinars, workshops & field trips -
CSU Extension Free Online Webinars

6/14: Native Colorado Pollinators. 7/12: Sustainable Landscaping. Classes noon-1pm, free. Register at:


Denver Botanic Gardens

6/22, 7/6, 7/20: Japanese Garden- Guided Walk & Tea Experience, 5:30-7:30pm.  7/19: Foundations of Herbalism, 4-6:30pm. Check for more classes, fees. 1007 York St, Denver. 720-865-3500

Desert Canyon Farm Open Farm Days

April 17th-June 11th, Sat-Thurs (Closed Fri). Stroll the gardens, seed production field, heirloom orchard & shop at the Farm Stand for 1000’s of varieties of herbs, heritage & heirloom fruits, vegetables and old-fashioned flowers. Classes at 1pm Saturdays & Sundays, weather permitting. More info & classes: 1270 Field Ave, Canon City.

The Gardens on Spring Creek

6/3: Beekeeping Series: Post-Installation Hive Checkup, 9:30am. Notable Tree Bike Tour, 9am-12:30pm. 6/10: Trees of the Gardens Walking Tour, 10:30-12:30. Virtual options available for some classes. 2145 Centre Ave, Fort Collins.,

Harlequin’s Gardens Sustainable Nursery

6/10: CO Native Plants You Shouldn’t Live Without, 10-11:30am. 6/11: Best Fruit Trees for CO, 1-2:30pm. 7/15: Basic Landscape Design, 1-3:30pm. 7/16: Managing Garden Pests w/out Poisons, 1-2:30pm. 7/30: Tips & Tricks of Xeriscape, 1-2:30pm. Most classes $22. 4795 N. 26th St, Boulder. 303-939-9403.

Hudson Gardens

6/10 & 7/8: Meet the Beekeeper, drop in any time between 9-noon. 

More classes:

6115 S. Santa Fe Dr, Littleton

Northern Water with Resource Central, Waterwise Yard Webinar Series

6/1: What’s the Buzz on Pollinators. 6/14 & 8/1: New to Colorado Landscaping. 7/10: Firewise Landscaping: Methods & Design. 7/12: Troubleshooting Your Summer Garden. 7/20: The Future of Colorado’s Water. 7/24: Waterwise Yards: Turf Removal.

Penn & Cord’s Garden Classes in Westcliffe


Tagawa Gardens 303-690-4722.

Sign up for the newsletter for info on classes & special events.


Suns, June 4, 11 & 18

CoNPS Garden Tours

Info at

Sat & Sun, June 9 & 10

Annual Longmont Symphony Orchestra Guild Garden Tour

10 am-4

Sat, June 11

Park Hill Garden Walk

9am-3pm, featuring 8 gardens. Tickets at starting May 1st & at several Park Hill locations.  Advance $15, Seniors $12, children under 12 free.

Sat, June 17

Lakewood Arts Garden Tour

8-2:30pm. Adv tickets on sale April 17th, $25. Onsite tickets June 17th, $30. Lakewood Arts Gallery,6501 W Colfax Ave, Lakewood. 303-980-0625

Lafayette Old Town Garden Tour

9-2. Self-guided tour showcasing over 50 of the best homegrown gardens throughout the historic center of Lafayette, CO. Purchase tickets online or on the day of the tour at Lafayette Florist.

Loveland Garden Tour & Art Show

8 am-4 pm. Start at Loveland Youth Gardeners' Good Enough Farm  with an artists' market & local vendors. Then explore 6 private "HIdden Gardens". For more info visit www.loveland youthgardeners,org.


Lyons Garden Club Mountain Blooms Garden Tour

9 am-1 pm. 10 inspiring gardens from private sprawling flower & butterfly gardens to intimate vegetable & fruit gardens. Details & Registration:  All entrants will be entered into a drawing for $100 gift cert from The Flower Bin in Longmont.

June 24

Boulder Garden Tour (formerly Whittier-Mapleton)

9-2pm. Self-guided walking tour of private gardens in the Flatirons/Uni Hill neighborhoods to benefit local nonprofit Garden to Table. Info:

Annual Jr League of Fort Collins Garden Tour

8:30 am-1 pm, East Elizabeth, Fort Collins. $30

Durango Gardens on Tour

9 am-4 pm. Visit 8 gardens including Durango Hot Springs. Purchase tickets online at (credit cards only). Pick up wristbands & guidebook at Durango Public Library on Fri 6/23, 10-1pm  or Sat 6/24, 8 am -noon.

June 24 & 25

Colorado Springs Garden Tour

9am-3pm. Tour through Divine Redeemer & Middle Shooks Run neighborhoods. Tickets $25.

Purely Ponds 17th Annual Parade of Ponds & Waterfalls

9-5pm. Self-guided pond & waterfall tour throughout Colorado Springs, Monument & surrounding area. Tickets with tour map are $5, available June 1st online. Details: 719-896-0038

July 15

Denver Rose Society Garden Tour

at the home of Robert Kahn  10am-1pm.

July 29 & 30

Pikes Peak Water Garden Society 34th Annual Pond Tour

Self-guided tours in southwest Denver, 9-4pm. Free, open to the public. Picnic 5pm-7pm (fee). Info:

Steamboat Springs Strings Kitchen & Garden Tour

Benefits Strings Music Festival, featuring local musicians. Visit for 2023 info.



Thru Sept 1

High Plains Environmental Center’s Native Plant Sale

New varieties added throughout the season. Natives help conserve water & support native wildlife, especially pollinators! 2698 Bluestem Willow Dr, Loveland.



CoNPS Native Plant Sales

Online ordering begins at

Sunday, June 4

CO Water Garden Society Annual Plant Sale

CWGS members only 9-10am; general public 10-2pm. The Hudson Gardens & Event Center, 6115 S Santa Fe Dr, Littleton. Details: Vicki Aber 303-423-9216 or

KGNU Annual Plant Sale

9am-3pm, 4700 Walnut St, Boulder. Donations of healthy starts, plants, gardening items (in good working condition) accepted May 13-31. All proceeds benefit KGNU Community Radio.  info:kateliz47@gmail or call 303 499-5314.

Sat, June 10

Fairmount Annual Heritage Rose Sale

Heritage, Hybris teas, Floribundas & Miniature Roses.  Chapel in the Pines/Fairmount Cemetery. Visit:  Heritage or call 303 399-0692

Sat, June 24,

Denver Pollinator / Native Plant Swap & Giveaway

At Earthlinks, 2746 West 13th Avenue, Denver, 10am–1pm, free to the public.


CSU’s Colorado Food Systems events


June 15, Thurs

Plant Select Annual Conference at Denver Botanic Gardens

Theme is “It’s Elemental – Water, Fire, Natives.” Educational sessions & opportunities to network. Take a self-guided tour of DBG. Info at

June 17, Sat

Xeriscape Garden Party and Pollinator Plant Swap

At Xeriscape Demonstration Garden – 300 La Porte Ave, Ft. Collins, 9am–Noon, free to the public. Details: or

June 18, Sun

Denver Rose Society “A Colorado Summer of Roses” Rose Show

Open to public 1-4:15pm, Denver Botanic Gardens, Mitchell Hall.

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