Because of a branch-breaking accident, I have started a tomato branch,
rooted in water and planted it, with good luck.

However, that is the only reason I've done it as by the time plants are
prolific enough to start another one, there is no need.

It seems the suggestion for doing this is to extend the season for
harvesting tomatoes. What am I missing here? The tomatoes in my garden,
in the Portland, Oregon, area, is done with the first freeze with no
matter to when anything was planted. The plants are still bearing well at
that time.

Is it the varieties I plant (mostly heirlooms) that would make starts
impractical and unnecessary because they bear as long as weather allows,
or am I missing something?

Glenna