Garden Trellising: DIY Tomato Drop-String Trellis

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Today we are talking about the drop string trellis I built for the Harvestheim garden in 2022. We'll discuss what worked, what didn't, and how to do it yourself so that you too can use this fantastic method. This trellis is sturdy, remaining rock-solid and withstanding thunderstorms with 30+ mph winds all while supporting the weight of nineteen (approximately) fully grown tomato plants, many of which were seven foot tall or more.
Support Structure: Materials List for a 10'x4' raised bed:
3x - 10' lengths of 3/4" metallic conduit (EMT)
4x - 3/4" electrical metallic tube inside corner pull elbow
6x - 7' tall U Post
6x - 3/4" J Hook Pipe Hanger
1x - A small spool of 16 or 18 gauge galvanized wire
If your beds are 6' long or less you can reduce the number of U Posts to 4x, the J Hooks to 4x, and you should be able to do it with just two of the 10' lengths of 3/4" conduit. For every additional 6' in length after 12' long you will need to add 2x U Posts and 2x J Hooks, you'll need more of the 3/4 inch conduit lengths, and you'll need to add 2x of Electric Metallic Tube (EMT) Set-Screw Coupling each time you connect the pipes together in a straight line.
Drop-String: Materials List
1x - A spool of twine, nylon string, or "tomato string". I prefer the first two, tomato-string is basically what you get when you run a bunch of plastic bags through a spinning wheel without melting them down first. It's not great. Regardless of which material you go with you will need about 8 feet of it per plant if single stem pruning
1/every 8" of plant height - Plastic tomato clips
1/plant - Garden/Yard staples
Tools:
T Post/U Post Driver
Rotary Style Conduit Tube Cutter or Hacksaw (I strongly recommend the conduit cutter)
Wire Snips
Needle Nose Pliers
Scissors
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2 окт 2024

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Комментарии : 5

@kangtani_indonesia Год назад

thanks for the very useful information, a very modern way of farming can be an inspiration for my farm

@harvestheim Год назад

I'm glad it's helpful.

@RovingPunster Год назад

TIP: I did a trellis for the first time this year, and I have a tip to share on the 7ft U-posts ... theyre actually only 5ft once you hammer them into the dirt (for those of us without raised beds to bolt to), so to get a true 7ft above ground I used a pair of bolts (2 inch #10's I think) to affix a smaller 3ft U-post to the top, with a 1ft overlap. Bingo, 7ft tall.

@harvestheim Год назад

Ooh, that's an interesting idea. My only issue with my current setup is, like you said here, that the system's only 6 feet tall or so (but only 5'ish for the plants) once you account for the extra height of the raised bed. It wasn't a huge issue last year but probably about half the plants easily topped that height, which made dealing with the extra 3-4 feet for each plant awkward. I was (and still am) looking for a replacement to the plastic j-hooks that would give me the extra height I'd prefer, your solution addresses the height issue and would be easy to implement.

@RovingPunster Год назад

@@harvestheim Related tip: If the posts are hammered into dirt instead of bolted to a raised bed frame, I found it necessary to anchor them (read: tension buttress), just like phone companies do for old leaning wooden poles ... hammer something like a pair of tent rods (i used a 3ft u-posts) at either end of the trellis, about 6ft+ further out, then use sturdy line (i used 1/8" 250lb test paracord) to snuggly tie the 7ft end posts of the trellis to the 3ft anchors, to keep the trellis line taught and less prone to sagging under the weight of tomato vines.