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Please use your username and password to test your member login. If you login successfully, the registration option 'class adult' for $0 will appear and your login works. If you don't see it, email the registrar at registrar@botanicgardens.org or call 720 865 3580, leave your info and we'll send you a new password and username.

Please keep in mind if you've just renewed or purchased a membership it takes at least 48 hours to process.

Adult Pumpkin Carving


Show off, explore and unwind by carving a pumpkin - together. By the end of this amazing, upbeat night, you’ll be amazed! One couple said they couldn't remember the last time they had that much fun together. Let your inner "Type A" loosen up and have fun! Just RELAX! Nobody will judge your talent level and if you have that extra drink it will only make your carving look better!


You will receive a pumpkin, a pattern, and a mini-kit of Barry’s favorite carving tools.


Barry Brown - Master Pumpkin Carver, guides each couple through simple tips and techniques. Reveal your strength, intelligence, artistry and pleasure! You’ll connect and relax as you assist each other through the easy steps. The Grand Lighting Ceremony ends the evening, when we dim the lights, then illuminate the amazing pumpkin carvings all at once. Bring your camera!


Barry Brown - Master Pumpkin Carver, is excited to show you how to carve pumpkins like the ones he carved for TV shows including the Today Show, The Tonight Show, the David Letterman Show, Good Morning America, Monday Night Football, and movies including Hocus Pocus. He has carved pumpkins on every local TV news station and the Colorado & Company show. Several stations have even come out to interview him AND film special stories about his National Grand Prize Award-Winning pumpkin carving skills.


Instructor: Barry Brown


Registration fee includes two participants. Each duo will receive one pumpkin and one carving kit. This event is a BYOB. Please bring your own drinks and snacks. This is a 21 and over event, please have your id with you.


Members $46, Non-Members $49



Advanced Botanical Zentangle®


This class is a continuation of Botanical Zentangle® that aims to polish “botangle” skills by translating plant forms and textures into Zentangle-like patterns. Skills include drawing fluid lines, a better understanding and control of light on form using line and shading, and developing botanical Zentangles with a step-out method. The class will explore “tanglations” (variations of existing tangles) and use tangles within other tangles to create new ones. Students will share new designs with classmates and create a small portfolio of 12 completed tangles, incorporating new designs into familiar ones. Fee: $230 member, $285 non-member. Prerequisites: Botanical Zentangle®


.• Fri-Sun, Oct. 30-31, Nov. 1, 9 a.m. – 2:30 p.m.

Instructor: Annie Reiser, CZT



All Natural Skin Care

See how easy and inexpensive it is to make your own facial steams with herbs, cleansing grains, masques, herbal toners, astringents, blemish cream, and lip balm. Learn how to make a rich, nutrient dense moisturizer, tailoring the recipe to meet your individual skin needs and issues.


Take home materials include the lotion made in class, an extensive handout, a month supply jar of moisturizer, and a pot of lip balm.


Instructor: Christina Blume


$63 member, $68 non-member




Aquascapes: Liquid Landscapes in Mixed Media

Dive into the stunning world of the underwater garden! Aquascaping is the art of creating unique aquatic landscapes that mimic natural landscapes or abstract paintings, using freshwater aquatic plants, stones and wood. Numerous annual competitions attract exquisite entries from all over the world. With careful guidance, construct your own miniature aquascape for reference using plants, natural objects and other materials available at the first class. Learn techniques for depicting water, still and in motion, and objects as they appear under water. Finish with drawn or painted fish to add action to your aquascape. Work in your choice of colored pencil, watercolor, ink or mixed media to complete a dynamic underwater landscape that will stay fresh forever! Fee: $230 member, $285 non-member. Prerequisites: Botanical Illustration in Pencil I, entry-level course in another media of your choice or Certificate in Botanical Illustration.


• Thu, Nov. 5, 12, 19, Dec. 3, 10, 6-9 p.m.

Instructor: Susan DiMarchi


Around the World with Coffee


This class will be an introductory tour of coffees and their unique characteristics from places all over the world. We will discuss coffee growing and processing and how it relates to flavor distinctions.


Coffee tastings included.


Mark Overly

Mark Overly is President of Kaladi Coffee Roasters in Denver, Colorado an independent roaster of premium estate, shade grown, organic and Fair Trade Certified coffee. He has over twenty-five years’ experience as a coffee buyer, beginning in Anchorage, Alaska where he grew a small roasting enterprise into the largest in the state. Mr. Overly was awarded the State of Alaska Small Business Person of the Year in 1993 by the Small Business Administration. He has been featured in numerous national publications including Nation’s Business and Entrepreneur Magazine. He was one of the first roasters in America to be Fair Trade Certified by Transfair USA. His coffee has been awarded “Best Coffee” and “Best Espresso” by the Rocky Mountain News and 5280 Magazine on multiple occasions. He has traveled extensively around the world assessing coffee producers for quality management and sustainability, and has lectured internationally on coffee quality.


Open to all skill levels


$29, $26 member

Autumn Leaves in Watercolor


Expand your watercolor repertoire. Colorful autumn leaves are your playground as you explore new techniques and materials to create artistic leaf studies. With a focus on painterly effects, you¬l experiment with dabbing, splattering and charging. Sound like fun? That³ the idea. Play with watercolor and develop new techniques to enhance your illustrations. Fee: $230 member, $285 non-member. Prerequisites: Botanical Illustration in Pencil I, Botanical Illustration in Watercolor I, Light on Form or Certificate in Botanical Art and Illustration.


• Thu, Oct. 22, 29, Nov. 5, 12, 19, 9 a.m. – noon

Instructor: Constance Sayas




Bat Encounter: Live!

See some of the rarest bats in the world, up-close and personal in this one-of-a-kind educational program.

In this family-friendly, live animal program, you'll come face-to-face with different bats from around the world. Learn how bats impact humans and keep our environment healthy. You will also learn easy ways you can make your backyard a refuge for these important animals. 

Don't miss this fascinating show for all ages presented by Rob Mies, Director of the Organization for Bat Conservation at Michigan's Cranbrook Institute of Science.

Organization for Bat Conservation's live bat programs have won many awards and are a truly unique experience.

To view slides of some of the bats you might see and to learn more about bats, visit www.batconservation.org.

Price: $12 member, $15 non-member, $7 child (ages 3-12) includes admission to the Gardens



Beginning Bonsai


Are you mystified by the many centuries old Japanese tradition of bonsai? Join us for an entertaining and informative class with local Bonsai Master, Harold Sasaki and the Gardens’ Bonsai Specialist Larry Jackel as they debunk the myths, fictions and misconceptions surrounding this living art form.


Each participant receives a tree, ceramic pot, wire, soil and gravel in this hands-on experience of creating a finished bonsai, which you can home.

$78 member, $82 non-member, includes $30 for materials.

Instructor: Harold Sasaki and Larry Jackel

There will be a break for lunch, please bring lunch or there is a cafe onsite for you to purchase lunch.




Beginning Rocky Mountain Gardening


Rocky Mountain Gardening Elective

This course is designed for the Front Range gardener beginner. The basics of what is needed to adjust gardening skills from other climates to the Front Range’s finicky climate are covered. If you have never gardened here before or are looking for more success, this is the class for you! Learn the skills necessary to become an enthusiastic gardener. Annuals, perennials and vegetables are discussed, along with trees and shrubs that thrive in our climate, elevation and varying soils. Plant selection, planting and troubleshooting is discussed.

Subsequent weeks focus on the elements, water needs, fertilizers and organic gardening.

Please bring a glass jar of soil to class. (Must be see through glass jar to study layers of your own backyard native soil)



$80 member, $90 non-member.


Instructor: Patti O'Neal


Best Fall Planted Bulbs for Perennializing

Rocky Mountain Gardening Elective


Want more than one year of spring bloom from your fall-planted bulbs? Come learn about the best bulbs and varieties for year after year of bloom in our area. Whether for perennial beds or naturalized landscapes, you will learn planting and cultural tips for maintaining long life. Discussion includes how best to use bulbs and design considerations with other plants and elements in the landscape.


Sign up now to discover the best cultivars of tulips and other bulbs that perennialize on the Front Range before purchasing bulbs to plant this fall. Taught by Carl Wilson, Denver horticulturist, speaker and retired CSU Extension Agent.


$26 member, $31 non-member


Instructor: Carl Wilson

BI in Colored Pencil I


You’ve learned to layer colored pencil, now learn techniques to draw effectively in this medium. Apply your drawing skills and learn new methods specific to colored pencils. Techniques include layering, building and burnishing in color. This versatile, portable medium is perfect for sketching on location as well as producing studio pieces. Learn through instruction, demonstration and practice on small studies of botanical subjects. You’ll be ready to produce a finished plate in Botanical Illustration in Colored Pencil II. Prerequisites: Botanical Illustration in Pencil I, Light on Form, Color Layering for Colored Pencil.


Fee: $230 member, $285 non-member


  Mon, Sep. 14, 21, 28, Oct. 5, 12, 9 a.m.   noon

Instructor: Susan DiMarchi



BI in Colored Pencil II


Take your colored pencil skills to the next level and become proficient in this fun, versatile medium. Work through a step-by-step process to create a preparatory layered drawing. Learn techniques to create texture, detail and depth to enhance your subject. Experiment with different surfaces and solvents for blending and shading. Add depth with atmospheric perspective and learn finishing techniques that will make your drawings pop. Individual attention will guide you to create a finished botanical plate. Prerequisites: Botanical Illustration in Pencil I, Light on Form, Botany for the Botanical Illustrator, Color Layering for Colored Pencil, Botanical Illustration in Colored Pencil I.


Fee: $230 member, $285 non-member

•Tue, July 28, Aug. 4, 11, 18, 25, 9 a.m. – noon

Instructor: Susan DiMarchi



Fee: $350 member, $400 non-member

• In-class sessions: Fri-Sat, Oct. 9-10, 9 a.m. – 2:30 p.m.

All assignments are to be completed no later than Nov. 20, 2015.

Instructor: Susan Rubin



BI in Pen and Ink I

Pen and ink is at the heart of botanical illustration. Expand your drawing repertoire as you learn techniques to create line, form and texture in black and white. “Expressive line” and “stipple” become part of your artistic vocabulary as you practice this traditional medium with modern and versatile technical pens. Step-by-step instruction, demonstration and practice will give you the foundation you need to draw any botanical subject accurately and skillfully. Prerequisite: Botanical Illustration in Pencil I; Perfecting Perspective strongly recommended.


Fee: $230 member, $285 non-member

• Thu, July 30, Aug. 6, 20, 27, Sep. 3, 6-9 p.m.

Instructor: Renee Jorgensen



Fee: $350 member, $400 non-member

• In-class sessions: Fri-Sat, Nov. 20-21, 9 a.m. – 2:30 p.m.

All assignments are to be completed no later than Dec. 22, 2015.

Instructor: Marjorie Leggitt



BI in Pen and Ink II


Take your pen and ink skills to a new level of sophistication. Explore the Gardens’ limitless world of color, texture and complex botany and incorporate this information into black-and-white illustrations. Working with both technical pen and traditional quill, learn advanced techniques to make strokes mimic the fuzz on a fern, the down in a milkweed pod or the mottled colors of a variegated begonia. Learn how to layer and manipulate lines and stipples to develop a full range of value, texture and atmospheric perspective. Pen techniques take on new meaning as you flesh out the final inked illustration of a plant of your choice. Prerequisites: Botanical Illustration in Pencil I, Botanical Illustration in Pen and Ink I, Perfecting Perspective, Light on Form, Botany for the Botanical Illustrator.


• Tue, Oct. 20, 27, Nov. 3, 10, 17, 1-4 p.m.

Instructor: Marjorie Leggitt


BI in Pencil I


Learn to draw! Begin with a brief history and an overview of the specific elements of botanical illustration. Learn the skills of careful observation and realistic drawing in graphite pencil, including line drawing, shading and perspective. Step by step, added techniques help you render accurate perspective, texture and detail. This is the entry course for every program student and a prerequisite for all required courses to follow. You’ll emerge from this class with the tools you need to draw anything. Fee: $230 member, $285 non-member. No prerequisites.


• Fri-Sun, June 26-28, 9 a.m. – 2:30 p.m.

Instructor: Constance Sayas


• Mon, June 15, 22, 29, July 6, 13, 6-9 p.m.

Instructor: Laurence Pierson


• Fri-Sun, July 17-19, 9 a.m. – 2:30 p.m.

Instructor: Susan DiMarchi


• Fri-Sun, Aug. 21-23, 9 a.m. – 2:30 p.m.

Instructor: Randy Raak


•Tue, Oct. 6, 13, 20, 27, Nov. 3, 9 a.m. – noon

Instructor: Laurence Pierson


• Tue, Nov. 10, 17, 24, Dec. 1, 8, 6-9 p.m.

Instructor: Renee Jorgensen


• Fri-Sun, Nov. 13-15, 9 a.m. – 2:30 p.m.

Instructor: Susan DiMarchi




BI in Pencil II

Simple and classic, pencil drawing is a timeless art form. Expand on the drawing skills you learned in Botanical Illustration in Pencil I as you reinforce and refine your knowledge of graphite pencil. Learn additional techniques for shading, texture, perspective, depth and composition. A good drawing is the basis of botanical illustration in any medium. Group instruction and individual attention are tailored to help you complete a botanical plate in this subtle and striking medium. Prerequisites: Botanical Illustration in Pencil I, Light on Form, Botany for the Botanical Illustrator.


•Wed, Sep. 2, 9, 16, 23, 30, 9 a.m. – noon

Instructor: Randy Raak



Fee: $350 member, $400 non-member

• In-class sessions: Fri-Sat, Dec. 11-12, 9 a.m. – 2:30 p.m.

All assignments are to be completed no later than Jan. 22, 2016.

Instructor: Renee Jorgensen




BI in Watercolor I



Become part of the watercolor botanical tradition. Combine drawing skills and your knowledge of color mixing as you discover the delight of putting brush to paper to learn the specific techniques of transparent watercolor. Instruction, demonstration and practical exercises will guide you through a variety of watercolor techniques: flat and graded washes, highlights and drybrush detail. Learn to build washes for depth of tone and shading, and how to create soft and hard edges. With these foundational skills you’ll be ready to create a finished plate in Botanical Illustration in Watercolor II. Prerequisites: Botanical Illustration in Botanical Illustration in Pencil I, Color Mixing.

• Mon, Aug. 17, 24, 31, Sep. 14, 21, 6-9 p.m.

Instructor: Laurence Pierson


• Mon, Oct. 19, 26, Nov. 2, 9, 16, 9 a.m. – noon

Instructor: Constance Sayas





BI in Watercolor II


Watercolor basics got you started; now develop your confidence as you work toward completing a finished plate from a live specimen in this most traditional of botanical media. The emphasis here is on bringing it all together. Learn and refine additional techniques through instruction, demonstration and practice, with special attention given to layering, shading and building form. Discover brush techniques and colors that enhance perspective and depth. Follow painting steps through completion, from broad washes to final detail. Learn how to fix mistakes and understand why watercolor is a forgiving medium. Fee: $230 member, $285 non-member. Prerequisites: Botanical Illustration in Pencil I, Color Mixing, Botanical Illustration in Watercolor I, Botany for the Botanical Illustrator, Light on Form.


Fee: $350 member, $400 non-member

• In-class sessions: Fri-Sat, Oct. 16-17, 9 a.m. – 2:30 p.m.

All assignments are to be completed no later than Nov. 23, 2015.

Instructor: Laurence Pierson


Fee: $230 member, $285 non-member.

• Tue, Nov. 10, 17, 24, Dec. 1, 8, 9 a.m. – noon

Instructor: Constance Sayas


Black Out Maze


The lights are out in the maze and brave visitors can find their way through with only the light of a glow stick.

Note: this maze is not haunted.


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