The Evergreen Thumb

Pollinators play a critical role in food production, plant biodiversity, and ecosystem health—but many of these essential species are facing serious threats.

In this episode of The Evergreen Thumb, we sit down with a WSU Master Gardener and Certified Pollinator Steward to explore why pollinators matter, what’s putting them at r...

In this episode of The Evergreen Thumb, we’re joined by Jennifer Marquis, Statewide Program Leader for the WSU Extension Master Gardener Program, to talk about the exciting launch of the Washington State University Extension Green School.

Designed to deepen gardeners’ knowledge and enviro...

Get a first look at what’s in store for the 2025 WSU Master Gardener Advanced Education Conference! Host Erin chats with the AEC Committee Chair and the Educational Outreach Program Lead about this year’s theme, keynote speakers, exciting workshops, and how gardeners of all backgrounds can get involved. Whether you're a certified Master Gardener or a passionate plant lover, this episode highlights why AEC is a must-attend event for...

In this episode, we explore the WSU Extension Master Gardener Program’s Local Food priority—and how growing food close to home can lead to healthier individuals, stronger communities, and a more resilient environment.

I break down how local food connects to sustainable gardening, food access, and community...

Want to keep your forested property healthy and thriving? In this episode, we chat with Sarah Stewart from WSU Forestry about backyard forest stewardship—covering best practices for managing small woodlands, improving tree health, enhancing wildlife habitat, and building resilience to climate change.   Whether you have a few trees or several acres, thi...

A healthy garden is more than just beautiful—it’s biodiverse! In this episode of The Evergreen Thumb, we explore how increasing plant diversity in home gardens, community spaces, and public landscapes can create more resilient ecosystems, healthier soil, and stronger pol...

From stress reduction to faster healing times after surgery, being in nearby nature has measurable effects on our well being. Master Gardeners work to foster the connection between people and the natural world to help our communities be able to access nature no matter where they live.

In part two of our Program Priority Series we sit down with Master Gardener Cathi Lamoreux to discuss Nearby Nature.

For resources, links, a transcri...

In this episode, we dive into the fascinating world of spiders and their crucial role in garden ecosystems. Learn about common spider species in the Pacific Northwest, including orb-weavers, wolf spiders, and jumping spiders, and how they help gardeners by naturally controlling pest populations.

Expert insights help unravel the mysteries of spider behavior, their impact on pollinators, and ways to create spider-friendly habitats in...

Climate change is reshaping how we garden, from shifting planting zones to increased drought and extreme weather. In this episode, we’re joined by Mike Peronto to explore how the WSU Extension Master Gardener Program’s Climate Change Priority is helping gardeners adapt. Learn practical, science-backed strategies for building climate resilience, improving soil health, conserving water, and selecting plants that thrive in changing co...

In this episode of The Evergreen Thumb, host Erin Hoover speaks with author and gardening educator Lisa Taylor about the joys and benefits of growing perennial edibles in the Pacific Northwest. They explore a variety of crops, from perennial vegetables like asparagus and rhubarb to fruit-bearing trees and shrubs well-suited to the region's climate. Lisa goes over lesser-known edible perennials, herbs, and her favorite edible perenn...

In this episode, we dive into the fascinating world of vermicomposting with WSU Extension Master Gardener and Master Composter Recycler Program Coordinator, Jason Adams.

Learn how worms transform kitchen scraps into rich, nutrient-dense compost that boosts soil health and supports sustainable gardening. We discuss the basics of starting and maintaining a worm bin, troubleshooting common issues, and the numerous benefits vermicompos...

In this episode, guest Theresa Crimmins, director of the USA National Phenology Network, explores the fascinating world of phenology—nature’s way of keeping time. Discover how seasonal changes influence plants, pollinators, and the environment, and learn how you can use phenological cues to enhance your gardening practices. We’ll discuss the importance of observing natural patterns and the impact of climate change on seasonal rhyth...

In Part 2 of our "Gardening Myths" series, we’re busting more common misconceptions about gardening and tree care. Is gravel at the bottom of pots really a good idea? Should trees be planted deeply for stability? What about staking new trees or painting over pruning cuts? We’ll also dive into the truth about using wood chip mulch safely in your garden. Tune in for research-based insights and practical advice to make your gardening ...

Think you know the secrets to a perfect garden? In Part 1 of our "Gardening Myths" series, we’re separating fact from fiction on some widely believed plant remedies and techniques. From Epsom salts and blossom end rot to houseplants as oxygen machines, watering causing sunburn, and the acidic magic of pine needles—do these tricks actually work, or are they myths holding you back? Tune in as we break down the science behind these ga...

Bring festive cheer to your home with colorful winter-blooming houseplants! In this episode, we cover everything you need to know to keep popular holiday plants like poinsettias, amaryllis, and Christmas cacti healthy and vibrant. From care tips and troubleshooting advice to the history behind these winter bloomers, we’ve got you covered for a thriving, festive indoor garden.

For resources, links, a transcript, and more be sure to ...

In this episode of The Evergreen Thumb, we explore how to prepare solitary bees for winter. From storing mason and leafcutter bee cocoons safely to managing moisture, pests, and disease, we cover essential tips to ensure your garden’s tiny pollinators survive the cold months. Whether you’re using a bee house or promoting natural habitats, this episode will help you support these vital insects and set them up for a successful spring...