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Gardening

2020 7th Annual Tree Diversity Conference

 

To protect our urban forests, which are threatened by pests and pathogens, a greater variety of tree species is necessary.

 

For our seventh annual conference we will continue to explore the relationships between landscape design, horticultural practices and the use of a greater variety of tree species.

 

Between them, our speakers this year boast an extravagant depth of experience ranging from worldwide plant exploration to landscape and garden design, promotion of new plant materials, administration of some of our country's most noted horticultural conferences and institutions and hands-on experience with plant testing and data collection.

 

Public $80, includes all programming and lunch

$70 Promo, includes all programming and lunch

*Promotional price available to all Members of Colorado Tree Coalition and American Society of Landscape Architects

 

 

Symposium will be held at Denver Botanic Gardens in Mitchell Hall.

 

Speaker Lineup

Peter Zale, Associate Director of Conservation, Plant Breeding & Collections, Longwood Gardens, Kennett Square, PA

 

Stephen Foltz, Director of Horticulture, Cincinnati Zoo and Botanical Gardens, Cincinnati, OH

 

Keith Warren, Director of Prfoduct Development (retired), J. Frank Schmidt & Son, Co., Boring OR

 

Panayoti Kelaidis, Senior Curator and Director of Outreach, Denver Botanic Gardens, Denver, CO

 

Alan Rollinger, Landscaoe Architect & Designer, Denver, CO

 

 

 

 

 

 

 

 

A New Gardener Boot Camp

Are you a blank slate when it comes to starting your very own garden? Worried about ending the growing season with a pile of dead plants and sad vegetables? Join us at Denver Botanic Gardens for a full day event, packed with answers to all those looming and mysterious gardening questions. Get started on the right foot this year with all of our best beginner’s classes, carefully designed to equip you with all the tools you’ll need to master that garden once and for all!

 

Classes include:

 

Garden Planning 101… where do I start?

This beginner’s class will take you step by step through the process of laying out a plan of attack for your garden! Whether you are starting with a blank slate garden or working with an old outdated garden this class will give you the basics on where to start. It will discuss needs and planning tools for raised beds, container gardens and in-ground vegetable gardens. We will discuss the basics of garden locations, sun requirements, water needs, starting from seed, transplanting and the basics of planning the organization of perennials and annuals, trees and shrubs. This class is the perfect fit for anyone needing to understand how the garden works together as a whole.

 

Soils 101

Soils will always be the first place to start when building a beautiful garden. This class will cover the best management practices for building your soil for in-ground beds, containers and raised beds. It will discuss the basics of composting as well as demonstrate the value of soil testing.

 

Beginning Vegetable Gardening

If you have never planted edible plants or had little success at growing your own vegetables, our instructor will walk you through the ABCs from planning, soil preparation, crop selection, watering, fertilizing, pest protection, and harvesting your first vegetable garden. We will cover tips on the most popular vegetables to grow, including leafy salad greens, tomatoes, squash, peppers, and more. You'll leave with a comprehensive understanding of how to successfully do each gardening task, and take home a planting guide that will help you through the entire growing season.

 

Annuals and Perennials for Color in the Garden

Plants provide the backbone of the garden with vibrant colors, textures, and forms that weave together to create your own personal oasis. Learn the basics of perennials, annuals and biennials, how to make the best selections for your garden and how to best maintain your plants throughout the season. From the traditional to the unusual we will explore the limitless varieties of plants and send you into the growing season prepared.

 

These classes combined usually cost more than $200, but with New Gardener Boot Camp, the event will be $60 members, $80 non-members. Register early as space is limited.

 

Lunch included with registration

A New Gardener Boot Camp - Evening Series

Are you a blank slate when it comes to starting your very own garden? Worried about ending the growing season with a pile of dead plants and sad vegetables? Join us at Denver Botanic Gardens for two evenings packed with answers to all those looming and mysterious gardening questions. Get started on the right foot this year with all of our best beginner classes, carefully designed to equip you with all the tools you will need to master that garden once and for all!

 

This series occurs on two evenings, two boot camp classes will be covered each evening.

 

Classes include:

Garden Planning 101 - Where do I Start?

This beginner class will take you step by step through the process of laying out a plan of attack for your garden! Whether you are starting with a blank slate garden or working with an old outdated garden this class will give you the basics on where to start. It will discuss needs and planning tools for raised beds, container gardens and in-ground vegetable gardens. We will discuss the basics of garden locations, sun requirements, water needs, starting from seed, transplanting and the basics of planning the organization of perennials and annuals, trees and shrubs. This class is the perfect fit for anyone needing to understand how the garden works together as a whole.

Soils 101

Soils will always be the first place to start when building a beautiful garden. This class will cover the best management practices for building your soil for in-ground beds, containers and raised beds. It will discuss the basics of composting as well as demonstrate the value of soil testing.

Beginning Vegetable Gardening

If you have never planted edible plants or had little success at growing your own vegetables, our instructor will walk you through the ABCs from planning, soil preparation, crop selection, watering, fertilizing, pest protection, and harvesting your first vegetable garden. We will cover tips on the most popular vegetables to grow, including leafy salad greens, tomatoes, squash, peppers, and more. You'll leave with a comprehensive understanding of how to successfully do each gardening task, and take home a planting guide that will help you through the entire growing season.

Annuals and Perennials for Color in the Garden

Plants provide the backbone of the garden with vibrant colors, textures, and forms that weave together to create your own personal oasis. Learn the basics of perennials, annuals and biennials, how to make the best selections for your garden and how to best maintain your plants throughout the season. From the traditional to the unusual we will explore the limitless varieties of plants and send you into the growing season prepared.

These classes combined usually cost more then $200 but with New Gardener Boot Camp event will be $60 members, $80 non-members. Register Early as space is limited.

A Simple Guide to Planning a Seed Garden

 

Learn how planning ahead can yield big results from your harvest. The seed life cycle is already happening in your garden, so it is easy to integrate seed saving into your personal seed bank and keep plants - including vegetables, herbs and flowers - dynamic and adapting to your garden. This class breaks down the easy-to-save, intermediate-to-save and advanced-to-save varieties most commonly grown in home gardens.

The Parmenters will cover wet and dry seed saving, plant families, seed terms, resources, harvesting, storage, isolation distances, hand pollinating and more.

 

Price: $31, $26 member

Instructors: Penn and Cord Parmenter

 

Penn and Cord Parmenter are high altitude food and seed growers. In 1991, they began homesteading and growing on 43 acres in the Wet Mountains of South-Central Colorado at 8,120 ft. They apply a multitude of techniques to overcome the challenges of the high country. They are owners of Smart Greenhouses LLC, a sustainable greenhouse design company and Miss Penn s Mountain Seeds, providing regionally adapted seeds for extreme climates.

Amazing Vegetables A to Z: Extended Gardening

Rocky Mountain Gardening Elective

This is the class that will hone your skills as an amazing vegetable gardener. It is designed to take beginners to a new level and remind intermediate gardeners of the success strategies that always work when we go off course and forget the science of what got us to success in the first place. We will cover the science of vegetable gardening, do some myth busting, and provide you with some clear cut strategies to get the biggest harvest from the space you have.

The classes are 2 ½ hours each and are designed so that you can take the entire series or drop in for a refresher on the single class or classes that you want to brush up on. We will use a combination of hands on and lecture and demonstration to keep you engaged.

Please note: We will not cover gardening in containers in depth in this class. If that is your interest, please see Crops in Pots.

 

Session 3: Extended Gardening

Keeping the Garden going for 3 seasons and beyond is the theme of this session. We will cover the importance of Crop Rotation and how to do it. We will learn different ways to succession plant and how it can maximize the harvest. We will address season extension strategies to protect your crops. We will also cover the concept of companion planting and what is true and what is not.

 

Instructor: Patti O'Neal

Price: $35, $30 members

Special Instructions: You can sign up for each individual session, or sign up for all four classes in the series at a discount by signing up for "Amazing Vegetables A to Z Full Series".

 

Amazing Vegetables A to Z: Pests, Problems & Harvesting

Rocky Mountain Gardening Elective

This is the class that will hone your skills as an amazing vegetable gardener. It is designed to take beginners to a new level and remind intermediate gardeners of the success strategies that always work when we go off course and forget the science of what got us to success in the first place. We will cover the science of vegetable gardening, do some myth busting, and provide you with some clear cut strategies to get the biggest harvest from the space you have.

The classes are 2 ½ hours each and are designed so that you can take the entire series or drop in for a refresher on the single class or classes that you want to brush up on. We will use a combination of hands on and lecture and demonstration to keep you engaged.

Please note: We will not cover gardening in containers in depth in this class. If that is your interest, please see Crops in Pots.

 

Session 4: Pests, Problems, & Harvesting

The most common pests and diseases of the vegetable garden will be addressed, how to spot problems before they get away from you and good cultural practices to avoid problems, organics, watering, fertilizing and insect and disease controls. We will also discuss how to know when your veggies are ready for harvest.

 

Instructor: Patti O'Neal

Price: $35, $30 members

Special Instructions: You can sign up for each individual session, or sign up for all four classes in the series at a discount by signing up for "Amazing Vegetables A to Z Full Series".

 

Amazing Vegetables A to Z: Planting

Rocky Mountain Gardening Elective

This is the class that will hone your skills as an amazing vegetable gardener. It is designed to take beginners to a new level and remind intermediate gardeners of the success strategies that always work when we go off course and forget the science of what got us to success in the first place. We will cover the science of vegetable gardening, do some myth busting, and provide you with some clear cut strategies to get the biggest harvest from the space you have.

The classes are 2 ½ hours each and are designed so that you can take the entire series or drop in for a refresher on the single class or classes that you want to brush up on. We will use a combination of hands on and lecture and demonstration to keep you engaged.

Please note: We will not cover gardening in containers in depth in this class. If that is your interest, please see Crops in Pots.

 

Session 2: Planting

Planting is the focus of this session. How to decide what to plan, the seasons of the vegetable garden and getting the biggest bang for your gardening buck. We will cover cool season and warm season plants and the ones that grow best here in Colorado. Then take a look at seed starting and see a demonstration of starting seeds inside and direct sowing outside as well as transplanting. Then we will cover spacing strategies designed to give you the biggest harvest for the space you have available.

 

Instructor: Patti O'Neal

Price: $35, $30 members

Special Instructions: You can sign up for each individual session, or sign up for all four classes in the series at a discount by signing up for "Amazing Vegetables A to Z Full Series".

 

Amazing Vegetables A to Z: The Garden Build

Rocky Mountain Gardening Elective

This is the class that will hone your skills as an amazing vegetable gardener. It is designed to take beginners to a new level and remind intermediate gardeners of the success strategies that always work when we go off course and forget the science of what got us to success in the first place. We will cover the science of vegetable gardening, do some myth busting, and provide you with some clear cut strategies to get the biggest harvest from the space you have.

The classes are 2 ½ hours each and are designed so that you can take the entire series or drop in for a refresher on the single class or classes that you want to brush up on. We will use a combination of hands on and lecture and demonstration to keep you engaged.

Please note: We will not cover gardening in containers in depth in this class. If that is your interest, please see Crops in Pots.

 

 

Session 1: Raised Beds

Planning the best location, choosing in ground or raised beds and the advantages and disadvantages of each. We will look at re-purposing materials to create raised beds. We will cover soil building and choosing amendments. We will build around what has not worked for you in the past and set you on a course for improvement for your 2017 vegetable garden. Every season is a Do-Over!

 

Instructor: Patti O'Neal

Price: $35, $30 members

Special Instructions: You can sign up for each individual session, or sign up for all four classes in the series at a discount by signing up for "Amazing Vegetables A to Z Full Series".

 

Battling the Japanese Beetle

Rocky Mountain Gardening Elective

The Japanese beetle – found in many Front Range areas - is moving to new communities. This unwelcome beetle is concerning home owners with serious damage to plants. Instructor Betty Cahill takes the class through the management options for the Japanese beetle during its adult and larval stages. She provides tips on how to protect your favorite plants, including a plant list that Japanese beetles prefer and mostly avoid.

Instructor: Betty Cahill

Price: $31, $26 member

Beginning Bonsai

Are you mystified by the many centuries old Japanese tradition of bonsai? Join us for an entertaining and informative class with nationally recognized bonsai masters Harold Sasaki and Larry Jackel as they debunk the myths, fictions and misconceptions surrounding this living art form. Each participant receives a tree, pot, wire, soil and gravel in this hands-on experience of creating a finished bonsai, which you can home.

 

** this class sells out very quickly, class size is very small for hands on instruction and attention from instructors, please register early

 

Instructors: Harold Sasaki and Larry Jackel

Price: $105, $95 member, $30 materials fee included

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

Beginning Farmers Core Curriculum & Hands-On Workshops

 

 

Are you interested in growing and selling vegetables but don’t know where to start? Denver Botanic Gardens and Colorado State University Extension have partnered to develop a certificate program that will introduce you to the ins and outs of becoming a successful market farmer on five acres or less.

 

By participating in this program, you will attend seven core curriculum lectures that will cover everything from planning your farm to selling at market. You will also apply what you have learned in the classroom on working farms during five hands-on workshops. Finally, you will have the opportunity to choose up to four advanced, elective classes that cover innovative topics such as seed saving and season extension. Lecture classes and workshops will take place on Fridays, 9-noon and electives will take place in the evening.

 

Staff from our program will work with you to help find hands-on experiences at local farms. This may take the form of a regular volunteer shift, an internship or an apprenticeship. If you have your own farm already up and running, DBG or CSU Extension staff can work with you over the growing season on any issues or questions that arise.

 

 

To complete the certificate you must:

- Attend all Core Curriculum (7 total) & Hands-On Workshops (5 total)

- Attend a minimum of 2 Elective courses (4 offered in 2019, register individually)

- Complete all courses within the 2018-2019 calendar year

 

All Core Curriculum lecture classes take place at the CSU Extension office located at:

Colorado State University-Denver Extension

888 E. Iliff Avenue
Denver, CO 80210

 

All Hands-On Workshops will be located an offsite location/farm. Directions and locations will be communicated with students the week before class.

 

All Beginning Farmers Elective courses will take place at Denver Botanic Gardens located at:

Denver Botanic Gardens

909 York St.
Denver, CO 802016

 

To register for the Beginning Farmers Certificate Course students will register separately for the Beginning Farmers Core Curriculum & for each of your desired Beginning Farmers Elective courses.

 

For registration questions please contact the Education Department at adult.programs@botanicgardens.org

For program inquiries including specific dates and program content and information about applying for a scholarship, please contact Brien Darby at Brien.Darby@botanicgardens.org

 

 

ELECTIVES (Must complete 2 of 4 courses):

Topics TBD, will take place August-September of 2019

 

 

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.

 

Instructor: Patti O'Neal

Price: $90, $80 members

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

 

Berries and Grapes for the Front Range

Rocky Mountain Gardening Elective

Berries are easy fruits to grow and make luscious-eating whether fresh, frozen or preserved. New developments are increasing the types we can grow here. Come find out the types of berries that do well in our climate and soil, what varieties are recommended, where to purchase and how to manage and prune for best results. Grapes for our area are also discussed.

 

Instructor: Carl Wilson, Denver horticulturist, speaker and retired CSU Extension Agent

Price: $33, $28 members

Botany for Gardeners

Rocky Mountain Gardening Required Course Group I

This class provides an overview of basic plant biology, including structure, development, transpiration, photosynthesis and plant chemistry.

Students will gain essential knowledge for acquiring high-level pruning skills, for designing gardens based on specific plant requirements of the Rocky Mountain region, and for understanding interactions between plants and their microenvironments.

Required Text- Botany for Gardeners by Brian Capon, found online or in most book stores.

 

Price: $255, $213 members

Instructor: Sheridan Samano

 

Fearless Shrub Pruning

Rocky Mountain Gardening Elective

Learn how to prune both deciduous and evergreen shrubs for long term plant health and appearance in this class. Various types of pruning and the situations where they are appropriate will be illustrated. An emphasis will be placed on flowering shrubs and how to prune them for best bloom. For people with overgrown shrubs, rejuvenation pruning to reduce size and reinvigorate growth will be of interest.

 

Price: $33, $28 member

 

Instructor: Carl Wilson, Denver horticulturist, speaker and retired CSU Extension Agent.

 

 

 

Garden Guru Tour

Immerse yourself in the Gardens with a horticulturist as your guide. Gain insight into living museum collections and walk away with gardening tips from an expert. Please note that every tour has its own emphasis and is led by a different horticulturist.

 

Thursday, February 6, 2 p.m.: “Orchids” with Nick Snakenberg, curator of tropical collections and associate director of horticulture

Tuesday, March 24, 10 a.m.: “Spring Garden Preparation” with Dan Johnson, associate director of horticulture, curator of native plants

Friday, June 19, 10 a.m.: “Plant Select®” with Sonya Anderson, horticulture specialist, Plant Select and pollinator gardens

Tuesday, July 7, 10 a.m.: “Annuals” with Bridget Blomquist, horticulture specialist - annuals

Wednesday, July 22, 10 a.m.: “Medicinal Plants” with Blake Burger, horticulture specialist

Tuesday, September 15, 9:30 a.m.: “Fall Garden Preparation” with Mike Bone, curator of steppe collections

 

Price: $17, $15 member

 

Special instructions: Tours can be both indoors and outdoors; dress accordingly for the weather. Water, sunscreen and sunglasses are recommended. Please bring booking confirmation. Meet guide in the lobby of the Boettcher Memorial Center after entering through the Gardens main entrance. Tours are one hour long.

 

Notes: Prices include admission to the Gardens. Tours with low registration are subject to cancellation. These tours are not available for private parties.

Growing Food in the High Mountains

Rocky Mountain Gardening Elective

 

You can grow food in the mountains! Wind, hail, deer, bears, extreme temperatures, we have heard it all. The Parmenters have been growing organic food at 8,120 ft. since 1992 and their techniques and experiences apply to all Colorado s elevations and hardships.

This class covers many great foods that thrive in the cool weather of the mountains, wind-proof season extenders, hail covers, raised bed preparation, bio-intensive growing, compost options against bears, crop rotation, companion planting, succession planting, vegetables for the shade, mulching, seed starting, seed saving and more. Altitude does not matter; this class is designed to help all Colorado gardeners overcome growing in the wild, wild West.

Can t you just taste those fresh, mountain-grown succulent greens, beans, squash and yes, even tomatoes, sweet corn and pumpkins? Join us for a day of learning and inspiration.

 

Price: $59, $52 members

Instructors: Penn and Cord Parmenter

 

Penn and Cord Parmenter are high altitude food and seed growers. In 1991, they began homesteading and growing on 43 acres in the Wet Mountains of South-Central Colorado at 8,120 ft. They apply a multitude of techniques to overcome the challenges of the high country. They are owners of Smart Greenhouses LLC, a sustainable greenhouse design company and Miss Penn s Mountain Seeds, providing regionally adapted seeds for extreme climates.

 

Growing Roses in Colorado - Planning a Rose Garden

Rocky Mountain Gardening Elective

Just about everyone grows a rose bush or two. Congress designated the rose as America’s national floral emblem in 1986. The popularity of growing roses began thousands of years ago and continues today. The rose growing series offered by American Rose Society Consulting Rosarians and experts from the Denver Rose Society will cover how to grow healthy, easy care beautiful roses for years to come. The series covers secrets to successful rose growing, no pain pruning, versatile shrub roses, fragrant roses, and winter care. Choose one class or take them all and come away with confident rose growing skills and greater appreciation for the “Queen of Flowers.”

Roses grow great in Colorado! Many rose varieties thrive in our region, and can fill your garden with beautiful blooms, color and fragrance. Let one of our experienced rosarians with the Denver Rose Society lead you through the basics of growing roses, how to plant, fertilize and water. We’ll cover healthy practices for growing happy and vigorous roses through the season. You’ll leave the class with the know-how to make roses the Queen of Flowers in your garden!

Instructor: Denver Rose Society

Price: $32, $27 members

Mountain Tomatoes

Rocky Mountain Gardening Elective

 

Technically, the mountains and tomatoes do not get along. Let s learn why.

In 1991, the Parmenter s were told they could not grow tomatoes in the mountains. Today, they work with around 250 varieties of tomatoes at 8,120 ft. in the Wet Mountains.

Learn about tomato varieties from around the world, especially those grown in climates like ours, along with tomato varieties for all elevations. We discuss seed starting, seed adaptation, soil preparation, organic fertilizers and non-toxic bug and disease control. We also discuss ideas for night-time covers and structures.

Penn and Cord will come armed with high-altitude adapted tomato seeds, demos and tips for reaching success with tomatoes. No more green tomatoes!

 

Price: $32, $28 members

Instructors: Penn and Cord Parmenter

 

Penn and Cord Parmenter are high altitude food and seed growers. In 1991, they began homesteading and growing on 43 acres in the Wet Mountains of South-Central Colorado at 8,120 ft. They apply a multitude of techniques to overcome the challenges of the high country. They are owners of Smart Greenhouses LLC, a sustainable greenhouse design company and Miss Penn s Mountain Seeds, providing regionally adapted seeds for extreme climates.

Passive Solar Greenhouse Growing

Rocky Mountain Gardening Elective

 

Ever feel like you don t know what you re doing in your greenhouse? Or perhaps you have plans to build one, but what then? Penn and Cord Parmenter have been designing and growing year-round in passive solar greenhouses since 2000. 

This class takes the mystery out of something that should be so easy and yet can seem so hard.  Matching appropriate plants to microclimates and seasons, building soils, non-toxic bug control, organic fertilizers, structural improvement, air-flow, resources and more are addressed. We discuss favorite foods, herbs and flowers along with over-wintering potted plants and succession planting for a year-round harvest.

The Parmenters cover preventative methods for bugs and disease as well as what to do when you ve lost control.

Step up production in your unique greenhouse--and enjoy the benefits.

 

Price: $31, $26 members

Instructors: Penn and Cord Parmenter

 

Penn and Cord Parmenter are high altitude food and seed growers. In 1991, they began homesteading and growing on 43 acres in the Wet Mountains of South-Central Colorado at 8,120 ft. They apply a multitude of techniques to overcome the challenges of the high country. They are owners of Smart Greenhouses LLC, a sustainable greenhouse design company and Miss Penn s Mountain Seeds, providing regionally adapted seeds for extreme climates.

 

See also "Sustainable Greenhouse Design" - offered on the same weekend!

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