How to Manage Squash Vine Borer - Ep. 304

What's in this episode

Every year, gardeners across the country watch their squash plants collapse overnight and have absolutely no idea why until it’s too late. The culprit is the squash vine borer, and it is one of the most misunderstood pests in the home garden. In this episode, Karin Velez breaks down the full life cycle of the squash vine borer, including regional timing differences that explain why gardeners in Florida, Missouri, and New Hampshire are fighting very different battles. She covers the remedies that likely don’t work (no matter how many gardening blogs swear by them), the strategies that actually do, and how to build a prevention plan before you ever see a moth. Whether you’ve been battling these for years or just lost your first plant to a mystery wilt, this one’s for you. Let’s dig in. Quick-Reference: Squash Vine Borer Management at a Glance Most susceptible crops: zucchini, yellow summer squash, acorn squash, Hubbard squash, pumpkins (Cucurbita pepo) Less susceptible crops: butternut squash, cucumbers, melons, watermelon Diagnostic sign: frass (greenish-yellow sawdust) at the base of the stem near a small hole South: first flight May, 2 generations possible, adult activity May–Octo

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