Thanks Ray! Yep, the copper works great. I need to replace some sections of it each year as the adhesive isn't the greatest, but much better than resorting to any sort of bait/poison, since my dog is too nosy for her own good!
I've got three Early Girl plants, but I think I'm about 3-4 weeks behind you. Just starting to set the first fruit.
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This is my first year growing cukes, and I'm amazed at how fast and lush they are growing. This is just a little more than 3 weeks of growth.
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My next project is to rig up a rudimentary watering system to keep these watered when I go on vacation in July. I don't think I need to go all the way to the set up you describe in the Earthtainer instructions, but I'll probably just rig some hoses on a timer, and deal with some temporary water waste for the time that I'm gone.
I know your area well...I've got some good friends that live by Jack Fisher Park. I'm out on the East side of LG, near Leigh and Blossom Hill.