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Gardening

2019 6th 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 sixth 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

 

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

 

Schedule of Speakers coming soon!

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 Whether you are starting with a blank slate garden or working with an old outdated garden this class will give you the basics on where to start.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, Brien will walk you through the ABCs from planning, soil preparation, crop selection, watering, fertilizing, pest protection, and harvesting your first vegetable garden. Brien 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, Brien will walk you through the ABCs from planning, soil preparation, crop selection, watering, fertilizing, pest protection, and harvesting your first vegetable garden. Brien 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 seed harvest. Knowing how a seed is saved allows you to let nature take its course and give back even more than you put in. This class breaks down the easy-to-save, intermediate-to-save and advanced-to-save varieties most commonly grown in home gardens. The seed life cycle is already happening in your garden so it’s easy to integrate seed saving into your current practices. With a little planning, you can greatly increase your personal seed bank and keep plants – including vegetables, herbs and flowers – vigorous and adapting in your garden.

Price: $31, $26 member

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, ceramic 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 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

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. Species from early blooming Galanthus, Crocus, Chionodoxa, Scilla and Narcissus through Tulipa, Hyacinthoides, Allium and Colchicum will be discussed. 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.

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

Price: $31, $26 members

 

 

Best Long Blooming Perennials

Rocky Mountain Gardening Elective

When gardeners dive into the fascinating world of perennials, they are often disappointed to find that, unlike annuals, most perennials only bloom for a few weeks. However some perennials push the envelope. Learn about the long-blooming stars that flower tirelessly for over a month, often much more. Get to know peak performers for spring, summer, and autumn, and for various amounts of sunlight and moisture.

 

Instructor: Lauren Springer Ogden is a long-time instructor at DBG and internationally known garden designer, author, and speaker. She designed several gardens at DBG, including the popular WaterSmart Garden, and most recently the new native Visitors Center gardens at Chatfield Farms.

Price: $34, $29 members

Best Roses For Your Garden, New and Overlooked!

Which rose varieties should you grow in your garden? Canadian hardies? Species? Let one of our experienced rosarians with the Denver Rose Society guide you through the palette of choices. You’ll learn the difference between a species and a hybrid tea, and when to pick one over the other. Which climbers do well here, and why? We’ll focus on varieties that thrive along the front range and in the foothills, tempt you with the newest introductions, and share key advice on plant selection and best planting techniques.

Instructor: David Ingram

Price: $31, $26 members

Conifers for Colorado Landscapes & Gardens

Rocky Mountain Gardening Required Course Group II

Urban tree diversity is becoming ever more critical in our local and regional landscapes which have relied on a limited tree palette. Did you know there are dozens of lesser-known yet proven species of conifers that deserve more consideration? Conifers offer year-round interest yet require little care once established. How do you choose from the wide array offered at local nurseries? This class introduces you to the diverse world of hardy conifers and reveals the secrets to their success in our local climate. From native species to exotic cultivars, we’ll discuss practical, cultural and design considerations. A morning classroom session will be followed by a walking tour and hands-on introduction to the Gardens' conifer collections. We’ll take a half hour break for lunch on your own (bring your own or eat at the Gardens’ café). Please come dressed for the weather. Landscape and nursery professionals are especially invited.

 

This class qualifies as continuing education for the Colorado Certified Nursery Professional recertification. More details here: http://coloradonga.org/certification.php

 

This class also qualifies for continuing education credits for the ISA-RMC.” (Use this link: http://www.isarmc.org/.)

 

6 reasons to take this class:

1. Increase urban tree diversity: Discover a new world of hardy and resilient evergreens beyond the usual that are especially suited to our local climate.

2. Year-round interest: Add elegance, texture and structure to your fall, winter and early spring landscapes

3. Habitat enhancement: Learn new ways to provide shelter and nesting areas for songbirds and other wildlife.

4. Multi-modal learning: The classroom segment uses hands-on discovery along with stunning images, followed by a walk through the Gardens’ collections to tie together the day’s discussions.

5. Inside tips from the pros: Understand how to successfully select, plant and care for these low-maintenance plants from > 25 years professional experiences.

6. No better time: Spring is the best time to acquire and plant conifers. When this class is over, you’ll be armed with knowledge, and inspired to take your garden or landscape to new and exciting levels.

 

Instructor: Pat Hayward, former Executive Director of Plant Select and currently operating Phytologic Horticultural Services, a consulting and garden coaching business.

Price: $105, $95 members

Converting Lawn to Xeriscape

Rocky Mountain Gardening Elective

Do you want to beautify your landscape and save water at the same time?

Prepare to go into detail about how to replace some of your Kentucky bluegrass lawn with water-smart perennial and ornamental grasses, discuss soil types and irrigation adjustment requirements, and dream up some design ideas in this exciting class.

 

Instructor: Curtis Manning

Price: $29, $24 member

 

Photo: Winger Photography

Extending the Garden Season in Colorado

Rocky Mountain Gardening Elective

This class will help you to develop your skills in succession planting and extending the growing season to get 11-12 months from your vegetable garden. Learn the importance of plant family names and how to group them successfully and rotate them, cool and warm season crops and when and if you can replant for another season of certain crops. We will also cover techniques and materials to extend the season successfully so you can plant early in spring and keep certain crops going until late fall and into winter.

 

Instructor: Patti O'Neal

Price: $44, $39 members

 

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.

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

Price: $33, $28 members

 

 

 

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.

 

February 7, 2 p.m.: All About Orchids with Nick Snakenberg, Curator of Orchids/Greenhouse

March 28, 10 a.m.: All About Spring Garden Preparation with Dan Johnson, Associate Director of Horticulture and Curator of Native Plants

 

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.

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