A month or so ago my neighbor asked me to install a grape trellis in his front yard similar to the one I built in my backyard. He wanted a shorter six foot tall trellis with multiple wires. I could not get to this project until last week. Last Thursday I dug two-two foot post holes about fourteen feet apart and set the posts in concrete. I waited until today to give the post mix time to fully set up as the posts will be under tension with the wires.
When I set posts I always put a little concrete in the bottom of the hole and I finish the concrete in a downward slope on all sides from the post so they never touch the soil and rot.
I installed header brackets on the posts before I set them. The header consists of a 2x4X14 piece of treated lumber. The header bar is necessary as the tension of the wires will pull the posts inward without the header spacer.
Guide wires can also be installed from the opposite side of the posts to the ground but in this case I did not have the space to install guide wires due to a fence and a sidewalk.
First task this morning was to install the header.
I then installed three wires spaced 18 inches apart using large eye hooks on one end and turnbuckle style connectors on the other end which twist to tighten the wires. Final step was to screen some compost which I used to plant a grape which was purchased bare root in early summer and has lived in a bucket of compost for the last month or so.
I attached the growing vines to the lowest trellis wire with velcro nursery tape. The plant will grow some this year but will really take off next spring.
My grape trellis has really filled in and is full of green and red grapes. I only attached one vine per wire this year and I will train more new vines on the existing lines to make them fuller next year.
The grapes are not quite ready yet but they are already sweet. Grapes are fairly easy to grow and they are a good screening crop for areas of fencing or yard eyesores. The trellis is a fairly easy project for those with limited carpentry skills.
urbancompostsystems 
it looks wonderful, and it will cover all the white vinyl.
WOW! Congratulations on your retirement as a LEO and continued success with Urban Compost. It is impressive. Your son is adorable. I actually am growing grapes in my back and they are already sweet but tiny.
Thanks Traci. I am glad you like the blog. Grapes are pretty easy to grow but mine have also been on the small side. I think I eat them too quick before they are fully mature. ha
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Thanks for checking out the blog. Glad you like it. I really appreciate your positive feedback. Comments like yours make blogging all the more rewarding. Thanks again.