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We tried. We really did. Being vigilant about searching for and destroying eggs, watching for any signs of damage — we did it all. But it still didn’t work. The damn squash vine borer got our zucchini and yellow squash.

This shows squash vine borer damage on our zucchini plant. The frass is a sign of an infestation.

This shows squash vine borer damage on our zucchini plant. The frass is a sign of an infestation.

I noticed the tell-tale signs of frass a couple weeks ago. It looks a lot like sawdust and it meant our summer squash plants would die soon. That’s when I sprung into action and tried the Bt to stop the grubby invaders.

I’ve mentioned this before but for those who don’t know, Bt is a natural bacteria that messes with the borer’s digestion when they eat it. So as soon as we noticed the frass, I was armed with my garden syringe and a jug of Bt (it has to be mixed with water), stabbing away at the stems and injecting the solution.

This was the first time I tried using the Bt solution, and you know what? It worked like a charm. The zucchini plant has rebounded (for the most part), and there are even a couple growing again!

Even if we don’t get any more, I’ll at least count this as a success.

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Our tomatoes are finally starting to turn red. We’ve harvested a handful of zucchini and cucumbers, plus an eggplant and a few Anaheim peppers. Not to mention all the fresh herbs we need.

Delicious homegrown cucumbers.

Delicious homegrown cucumbers.

So far, it’s been a decent season and could end up being one of our better gardening years. But of course not everything is perfect. Despite our efforts to crush the cucumber beetle and wipe away any trace of the squash vine borer, we’ve lost a few battles.

I suspect what made the leaves on two of our cucumber plants shrivel and die was bacterial wilt transmitted by the cucumber beetle. Either that or serious damage from a mega-infestation of squash bugs, which I promptly doused in insecticidal soap.

We did lose one of our yellow squash volunteers to the squash vine borer, as well as half of another yellow squash plant that somehow divided itself in two after it was in the garden.

While all this is upsetting, I’m trying to look on the bright side of things. Where we had to tear out the cucumber plants is a great place to plant a fall crop of peas, and the dead squash plant frees up a pot for some more fall lettuce.

 

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