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The Evergreen Thumb

Since 1973, WSU Extension Master Gardeners have been developing programs to address the evolving needs of our communities. Each episode, we'll dig into the fascinating world of gardening, exploring a wide range of topics tailored to our unique climate and diverse flora.

Podcast · By Erin Hoover, WSU Extension Master Gardener Program · English · Official site

Indexed episodes, last 90 days
5
Latest publication
Sep 1, 2026
Audience
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Earliest in this view
Jul 7, 2026

Latest episodes

  1. Episode · Sep 1, 2026

    Bulb Season: Setting Up Your Garden for Colorful Spring Blooms (opens the original)

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    Fall may feel like the end of the gardening season, but for many spring-flowering plants, it's just the beginning. In this episode of The Evergreen Thumb , Erin explores fall planting in Washington, with a focus on spring-flowering bulbs and other geophytes. We'll look at why fall is the right time to plant many of these plants, how soil temperature affects planting timing, and what Washington gardeners should consider when deciding when to get their bulbs in the ground. We'll talk about familia

  2. Episode · Aug 18, 2026

    Cover Crops: The Easy Way to Improve Your Soil (opens the original)

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    Cover crops can protect and improve garden soil during the time of year when our gardens are resting. In this episode, Erin talks with Twinflower Wilkie, a WSU Extension Master Gardener in Ferry County, about how cover crops help retain moisture, protect soil from erosion, cycle nutrients, and build healthier soil. Twinflower also shares why cover crops can benefit pollinators and other beneficial wildlife, and why allowing your garden to go a little wild can be good for the garden and the creat

  3. Episode · Jul 28, 2026

    Research-Based Gardening Advice: What Does It Mean? (opens the original)

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    Every gardener has encountered advice that promises amazing results, from family traditions passed down through generations to the latest trend making the rounds on social media. How do you know what to trust? In this episode, Erin talks with Bryce Battisti about what "research-based" really means and why it is a core part of the WSU Extension Master Gardener Program. Bryce shares his own journey from embracing popular gardening ideas to appreciating the value of research in helping gardeners ma

  4. Episode · Jul 21, 2026

    How to Clean Up Your Fall Garden to Support Overwintering Insects (opens the original)

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    In this episode of The Evergreen Thumb, Erin Hoover chats with Julie Banken, a Master Gardener with a background in entomology, about creating pollinator-friendly gardens by rethinking traditional fall cleanup practices. Julie shares her passion for gardening with insects in mind, explaining how leaving leaves, stems, and other natural debris provides essential winter habitat for a wide variety of pollinators and beneficial insects. She encourages gardeners to view their yards as crucial parts o

  5. Episode · Jul 7, 2026

    Garden Mistakes and Lessons Learned Over Time (opens the original)

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    Every gardener has decisions they would make again…and a few they probably wouldn't. In this episode, Erin Hoover reflects on the gardening choices that paid off, the ones that created more work than expected, and the unexpected surprises that have shaped her garden over the years. From self-seeding herbs that got out of control to volunteer flowers worth keeping, she shares practical lessons learned through trial, error, and observation. Along the way, Erin discusses why investing in quality se

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