Building a Grape Trellis

Have you have decided to plant a vineyard, or evenabout 8-10 feet apart and orient the rows north to
a few grapevines? Don't even think about plantingsouth so each vine gets maximum sunlight. The trellis
your grapes unless your grape trellis or arbor hasneeds to be strong enough to withstand the weight
been completed. Even the simplest structures requireof the vine with a full crop of grapes. Allowance
some construction, and if you have already plantedshould also be made for local weather conditions
your grapes, you are sure to cause some damage. Ifincluding high winds. You will need to use pretreated
you are planting 3-4 vines in your backyard, youwood or metal for your posts and galvanized steel
probably want a decorative arbor, while any seriouswire to run between the posts. I recommend that
planting requires a trellis. Without a trellis youryou use treated wood posts at least 3" in diameter
grapevines will sprawl all over the ground, neverand buy the best materials so your trellis will last for
produce any grapes, and probably rot or develop aat least 20 years. Place your poles 8 feet apart and
disease. The vines do not develop a trunk orsink them 2 feet into the ground.
branches that are strong enough to supportThey are best if you set them in concrete, and I
themselves. In addition, the most important factor inalways coat the pole with roofing compound about
a vine's development is plenty of sunshine.an inch above the cement for extra protection
The grape trellis gets your vines up in the air andagainst moisture. At the ends of each row you need
spread out so each bud gets plenty of sun. Also ato install an anchor to keep the wire taught. About 6
well designed trellis or arbor will allow you to grow afeet from the end of the row bury a 4 foot pole 3
lot of vines in a limited space. That is the reason thatfeet into the ground angled away from the row. Drill
growing grapes is one of the most profitable cropsa hole in the anchor and push the wire through using
on a per acre basis. If you want an arbor for thea wire clamp to hold it in place. Next drill each post
backyard, there are many prebuilt designs that younear the top and 3 feet off the ground. Run two
can buy at your local building supply for a reasonablelengths of 10-12 gauge galvanized wire from post to
cost. If you want to build your own, a search on thepost pulling tight through the holes you drilled. There
internet will turn up a number of plans. A trellis mustare other ways to build a trellis, but this method is
be constructed on site and should be designed to lastthe most popular.
a long time since many grapevines can produce forIf you live in a cold climate and are planning to use
up to 30 years. In your planning you should allow anhybrid grapes there are some other designs you
area of about 8 feet by 8 feet for each vine. Inmight consider such as a T design with two wires
warm climates trellises are usually about 6 feet high,running at the 3 foot level. Whatever method of
and in colder climates they should not be higher thanconstruction you choose, hopefully you can complete
three feet so your grapes aren't as exposed whenthe job in the fall before your first planting so as
winter weather arrives.soon as spring arrives you can get your plants in the
Normally you should plant your vineyard in rowsground and maximum growth the first year.