The Evergreen Thumb

What does a truly waterwise garden look like in Washington, and why does it matter more than ever? In this episode, we're joined by Spokane County Master Gardener Mason Neil to explore how home gardeners can make practical, research-based choices that reduce outdoor water use while creating beautiful, resilient landscapes. From choosing drought-tolerant plants to using more efficient irrigation, M...

💧 Are you overwatering your garden? You're not alone! In our newest episode of The Evergreen Thumb, WSU horticulturist Austin Little shares easy, efficient watering strategies to help your garden thrive—without wasting water. 🌿 Learn about: • How to water less but grow more • Mulch and soil tips to retain moisture Resources mentioned in this episode, along with a full transcript, can be found on...

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 risk, and how you can take simple, effective steps to support them in...

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 environmental stewardship, the Green School offers flexible, research-based education through two tracks: the  Wash...

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...

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 empowerment. Whether you're growing in a backyard, a balcony, or a community garden, discove...

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, this episode is packed with expert insights to h...

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 pollinator populations . Join us as we discuss: Why biodiversity is essential for sustainable gardening How native plants and layer...

In this episode of The Evergreen Thumb Oregon State University Extension's Wildlife Specialist, Dr. Dana Sanchez, joins host Erin Hoover to discuss strategies for managing wildlife pests (a.k.a. vertebrate pests), in your garden and surrounding areas.   For resources, links, a transcript, and more be sure to visit our website at https://evergreenthumb.mastergardenerfoundation.org/episode044/  

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 Natur...

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...

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 selectin...

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, h...

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, an...

Discover how gardening nurtures more than just plants—it's a powerful tool for supporting mental wellness as we age. Join Erin as she explores the psychological and emotional benefits of gardening for aging adults with Katie Luna, a WSU doctoral candidate in clinical psychology. For resources, links, a transcript, and more be sure to visit our  website.  

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 impa...

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 pract...

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 bre...

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,...

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...

In this episode of The Evergreen Thumb , we take a deep dive into the fascinating process of growing shiitake mushrooms on logs. Cultivating shiitake mushrooms at home is a fun and rewarding way to produce your own fresh mushrooms at home! Join us as our guest Kevin Zobrist, a WSU Extension Forester, covers everything you need to know, including: Selecting the right type of logs for shiitake culti...

In today's episode, we're diving into the fascinating world of seed saving. Seed saving is a valuable skill that not only helps you create a sustainable garden but also preserves the unique qualities of your favorite plants. Join us as we discuss the basics of seed saving, how to select the best seeds, and tips for storing them to ensure future success in your garden. For resources, links, a trans...

In this special episode of The Evergreen Thumb , we celebrate our first anniversary! Join us as we look back on a year filled with growth, learning, and community. We reflect on memorable moments, share our favorite episodes, and highlight key insights from our guest experts. A heartfelt thank you goes out to our dedicated listeners, guests, and contributors who made this journey possible. We also...

In this episode, we explore the concept of edible ecosystems, focusing on three key sustainable gardening practices: food forests, fedges, and plant guilds. These systems mimic natural ecosystems, providing a multitude of benefits, from enhancing biodiversity and soil health to improving water conservation and climate resilience. We discuss the basics of designing and implementing these systems, i...

In this episode of The Evergreen Thumb , we delve into the essential topic of decoding pesticide labels. Understanding these labels is crucial for gardeners to ensure they are using products safely, effectively, and in an environmentally responsible manner. Our guest, Rachel Bomberger, starts by exploring why it is vital for gardeners to read and comprehend pesticide labels. Our expert breaks down...