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Schedule OF EVENTS


Sunday, December 3, 2023

9am (setup), 10:30am (party)

Littleton, CO

This year the Party will be held from 9:00am until 12:30pm. Setup will begin at 9am, the party will start around 10:30am, and cleanup will start at 12:30pm. Please bring a salad, appetizer, side dish, or dessert to share. There will also be an auction for bonsai-related items.

For more details, please refer to the email sent to all members.


Saturday, September 23, 2023

2pm - 6pm

Linda Paul's (Lafayette)

This will be a fun informal event! Bring trees or pots or anything bonsai related to swap or sell. There will be a freebie table where you can leave or take stuff. Bring a folding table (if you have one) and have multiple items. Its helpful to wear a name tag and bring cash for small stuff. If you don't have stuff to swap or sell, you can just come to socialize. Linda will have snacks and refreshments and will be offering pots/slabs at 50% off or trade. Everyone gets a free rock! Please RSVP to Linda via email if interested.


Sunday, September 3, 2023

9am - 4pm

Denver Botanic Gardens

Join us for our annual show and celebrate another year of doing bonsai! Volunteering opportunities available.


Saturday, August 26, 2023

8am - 12pm

Patrick Allen's Home

The Saturday workshop series continues at Patrick Allen’s home in Denver on August 26th. Please bring bonsai to work on, come see Patrick’s bonsai setup in an urban setting. He lives in a townhouse and has mastered the light requirements for various bonsai trees and has a unique overwintering in a limited space. Patrick will also talk with you how he prepares his pots and top dressing for the show. Talk bonsai with fellow enthusiasts and we will continue helping to refine bonsai in preparation for our annual show.


Tuesday, November 7, 2023


Sturm Auditorium DBG

Join us for a presentation by Henry Basile, the former "First Curator's Apprentice" at the National Bonsai Collection in Washington, DC.


Saturday, September 16, 2023


City of Takayama Park - 3700 North Cherry Creek Drive

Join us to help trim the bonsai trees and pull weeds in the rock garden. We'll probably be done by noonish (having more volunteers makes the task go faster! Please bring gloves, rakes, weed pullers if you have them.


Saturday, September 2, 2023

9am - 8pm

Denver Botanic Gardens

Join us for our annual show and celebrate another year of doing bonsai! Volunteering opportunities available.


Saturday, August 5, 2023

9am - 5pm

Dusty Kraft's Home

Dusty Kraft will be hosting an impromptu workday from 9am-5pm at his home in Eaton, CO. Please bring your own tree and supplies. Contact the RMBS board for the address.


Tuesday, October 3, 2023


Gates Hall DBG

Join us for a Panel Discussion on Challenges and Sharing Practices with Larry Jackel, Brian Adams, Darrell Whitley, and Samatha Holm. They will be
discussing challenges ranging from horticultural skills to bonsai design challenges, with plenty of opportunities to ask questions and learn from their experience.


Saturday, September 9, 2023

9am - noon

Paul Koenning's Home

This workshop will be held at Paul Koenning's home and will focus on Winter Prep and Pest Inspection.


Friday, September 1, 2023

9am - 4pm + 4pm - 9pm

Denver Botanic Gardens

Setup for our annual show will occur on Friday, followed by the traditional auction and celebration.


Thursday, August 3, 2023


Gates Hall DBG

Our top talent member and bonsai professional, Todd Schlafer, will be presenting on (To be announced) in Gates Hall at Denver Botanic Gardens

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Saturday, July 15th

Paul Koenning's Home

Summer Workshop Series

The Saturday workshop series will continue at Paul Koenning's home in Aurora on July 15th.  Bring bonsai to work on, come see his bonsai setup and landscaping, talk bonsai with fellow enthusiasts, and we will continue helping to refine bonsai in preparation for our annual show.


Saturday, May 27th, 9am-noon

Lakewood, CO

Weekend Workshop

We will continue our weekend workshop series with our next workshop hosted by Darell Havener. This is a great time to bring and work on your own   trees while also socializing with fellow members. In addition, we will cover how to audit your own collection in search of a tree to show.


Tuesday, May 2nd, 7pm
Virtual Online + Gates Hall DBG

May Meeting

Bjorn Bjornholm of Eisei-en will present. More details to follow.


Tuesday, March 7th, 7pm
Sturm Auditorium DBG

Conifers for the Rock Garden and Smaller Landscapes

This presentation by Kirk Fieseler will cover grafting and propagation techniques, as well as the types trees he grows. A small number of trees will be available for purchase at the meeting.

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Tues February 7th, 7pm


Presented by 2023 Artist of the Year Dan Wiederrecht


Thursday, July 13th, 7pm

Gates Hall DBG

July Meeting

Mike Green will be presenting on photographing bonsai. Mike is a very talented photographer, and he will help us all to present our bonsai at their best with tips and tricks to produce better bonsai photos. 


May 4th, May 13th, May 28th, & June 6th

Kusamono/Ceramics Workshop Series

See RMBS member email for more information,


Saturday, April 15th, 10am-2pm
Bonsai Pavillion DBG

Repotting Workshop

(Weather Dependent)

Tom Anglewicz will host the annual repotting workshop, free to RMBS members in good-standing. This is an opportunity to learn about correct procedures for repotting trees into bonsai containers. RSVP with Tom Anglewicz.


Monday, February  27th, 7pm

Collecting Native Trees

Mike Britten is an experienced collector of native material. The presentation will cover the legal and ethical considerations of collecting, tools and techniques, and after care.


Tues January 3rd, 7pm

January Meeting

Members Discussion:
Review the past year's programs and show planning for the future.


June 8th - 11th

Denver Botanic Gardens - York St

American Bonsai Society's annual Learning Seminars will be presented in partnership with Rocky Mountain Bonsai Society and Denver Botanic Gardens. Join us June 8-11 for this unique opportunity in the Denver area! Register for the event and find more information here!

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Saturday, May 20th, 9am
City of Takayama Park, Denver

Park Maintenance Event

Please join us and Denver Takayama Sister City
Committee (DTSCC) volunteers for a semi-annual park maintenance. Parts of the maintenance includes “candling” of the five bonsai character trees. Trash cleanup and weeding is also
involved. Please bring gloves and a hat.
Water and refreshments will be provided by

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Tuesday, April 4th, 7pm
Gates Hall DBG


Join us for our April meeting where Darrell Whitley will present on Shimpaku junipers.

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Saturday, February 18th, 10am
Denver Botanic Gardens

Cost: $80 participant, $10 silent observer

Grafting Workshop

Grafting workshop led by Kirk Fieseler.
Ponderosa Pine and Spruce plant material will be supplied for participants to use to learn grafting techniques.

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