Learned the hard way myself last year. At the end of the season, when
the tomatos were 7 feet tall, I wound up having to drive rebar 2' deep
and tie to the darn cages to keep them only slightly listing instead of
falling over. This year I'm going to use physics to my advantage.
The typical tomato cages are narrow at the bottom, wide at the top.
This is a good way to create a high center of gravity. This year, I'm
going to get a bunch of 8' cedar fence boards and rip out a pile of 8'
long 1 1/4" stakes on my table saw. I'm going to use these and my air
stapler to build teepees where the wide part is on the bottom and the
narrow part is on the top. I'll stake them in the ground a bit, but
with that design, I figure the more weight on them, the more stable
they will be.
Or, you can tell me I'm crazy. This is only my second year with the