Succulents 101

This class will take place online. Registered students will receive login instructions. Perfume can be traced back thousands of years to an Ancient Egyptian tradition, beloved by Cleopatra. Discover the history of perfume and the therapeutic benefits of essential oils in this hands-on workshop. Learn scent-blending techniques and how to identify...

This slideshow describes the three most common forms of mal-pruning (tree topping, over-thinning of trees and shrubs, and inappropriate shearing) and how to fix trees and shrubs which have been mal-pruned. This is an advanced course and those attending should already be familiar with principles of selective pruning. Included is discussion of water-sprouts,...

Discover the basics of sensible organic gardening. Find out how to build good soil, what you need to know about amendments and fertilizers, and tricks and tips for beautiful gardens, even in containers and tiny spaces. Learn about water-saving irrigation, how to start seeds and nurse them into healthy seedlings, and how to pick the best transplants...

Create your own flourishing indoor herbal garden and get a head start on your spring gardening. Find out how to seed, propagate, and care for herbs in your home and build a self-watering planter. Herbs are not only an aromatic delight to grow, but they are wonderfully useful in adding flavor and nourishment to recipes. Prepare herbal salt and find...

This class will take place online. Registered students will receive login instructions. Study the entire cannabis growing cycle, including best practices for critical harvest and post-harvest procedures and how artificial lighting and carbon dioxide enrichment can help maximize production. We'll discuss the pros and cons of different grow sites and...

This class will take place online. Registered students will receive login instructions. Myths abound about how hard it is to care for this ever-popular orchid. Dispel those myths with plenty of sensible advice on how to treat your phalaenopsis so that it blooms year after year. Light, water, nutrients, repotting, and root care are all key. You'll...

This class will take place online. Registered students will receive login instructions. Whether you have a terrace, rooftop, or tiny backyard, learn how to grow the most veggies in the space you have. Discover the best practices for successful small-space gardening from soil preparation to container selection and bed design, crop choices, and tips...

Learn tips and techniques used by professional gardeners through a combination of lecture and hands-on activities. Acquire solid gardening skills, learn a variety of techniques, and determine best management practices in the field of horticulture.  Gain applicable skills in plant selection, spring assessment and planning, spring perennials and...

Learn to identify and manage the most common invasive plants in the Great Lakes region.  Managing invasive plants is one of the most common restoration tasks. Learn to identify the characteristics of common invasive plants and describe their impacts on the landscape; discuss invasive plant ecology, and learn to which control methods are best...

This class will take place online. Registered students will receive login instructions. Vines and other climbing plants like clematis, wisteria, roses, hardy jasmine, and climbing hydrangea not only sport beautiful blossoms, they also provide strong vertical design—in backyards and patios, or rooftops and terraces. They can create outdoor enclosures...

This class will take place online. Registered students will receive login instructions. Orchids are one of the most common houseplants in America. While this exotic flower is widely available, many do not know how to properly care for it. In this class, you'll explore how orchids grow in nature and learn the basic care instructions to keep them healthy...

This lecture will take place online. Registered students will receive login instructions. For landscape designer and composer Larry Weaner, garden design and music composition have much in common. While one may be visual and the other sonic, both look to explore freedom of expression within formal constraints. Both are endlessly engaging pursuits,...

This class will take place online. Registered students will receive login instructions. Knowing a little mycology (the study of fungi) can make you a better mushroom cook. This illustrated talk teaches basic mycology through the lens of your kitchen. It explores the intersection of mycology and the selection, storage, preparation, and nutritional...

Native Plants 101: Gardening with Native Ephemerals & Understory Plants Find out what native Puget Sound plants are first to grow and flower in the spring and how to incorporate them into your garden!  This class will cover some of the native blooming flowers and plants that you can grow in your shady garden spot that will brighten up your...

Growing a garden can be healing in so many ways, whether you are replenished by the healing herbs you grow, the time spent outdoors, or the empowerment that comes with growing your own food. Join co-founder and CEO of the Urban Growers Collective and dig deep into the how’s and why’s of herbal gardens.

This class is ideal for those interested in pruning topiaries, espalier, and some of the more challenging plants such as arborvitae, yew, juniper, and other conifers.  A Garden walk will be included to view how best to prune some of the more interesting plants in the Garden. 

Do you have areas in your garden with an abundance of beautiful perennials? Learn tips and tricks to spread the wealth to other areas by dividing perennials in the spring. Explore the basics, then head outside for a hands-on demonstration.  Please bring gloves. Dress for the weather.

Soil is an irreplaceable natural resource that affects plant selection and growth. Learn to maintain healthy soil; use compost, fertilizers, soilless and potting mixes, and other amendments. Discover how water cycles through a garden and affects soils and plants. Course fee includes a professionally analyzed test of your garden soil.  A supply...