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Re: Trellis construction

Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

At 10:50 PM 3/28/00 -0600, you wrote:

>I'm thinking I'll use 1/2" thick-walled electrical conduit, get it cut to
>length and threaded, and use plumbing fittings for assembly as Mel
>suggests.  But I'm not an electrician, so I'm wondering about the strength
>of this conduit.  My trellis will be 6' tall (with 12-18" of conduit sunk
>into the ground), and 5' wide. 

At my school we use 1/2 inch electrical conduit for support frames for
climbing crops.  The poles are about 5.5 to 6 feet long.  We use those metal
straps (2 per upright pole) to attach the pole to the side of the wooden
raised bed.  That makes them easy to remove at end of season.  To connect
the cross piece we use PVC elbows and put duct tape around the ends of the
conduit to make them fit into the elbows snugly.  This was much cheaper than
buying the threaded elbows.  We have used string to support the veggies by
stapeling it to the bed, running up and over the cross bar - down to the bed
- staple - upand over the cross bar - down to the bed - staple, etc.  This
holds things up very well.  Sisal twine tends to disentegrate fairly
quickly.  White cotton twine holds up a bit longer if good quality.

Only once did the kids think the frame might be like the jungle gym.  It
wasn't.  No problems supporting veggies though.

Vasha
 Middle Alabama


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