Hurray! Your tomatoes are beautiful!
Some are determinate & give fruit all season long while indeterminate varieties bloom all at once & don't keep producing more. In your cooler Canadian zone Tatsiana in Canada has a lovely website of heritage varieties for cooler zones. Here in Calif only hot zone varieties work well. I tried some Hungarian & Russian varieties here & they did poorly.
TATSIANA
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I love perusing her website:
https://tatianastomatobase.com/wiki/Tatiana's_TOMATObase_-_Heritage_Tomatoes
Our 100 experimental tomato containers as far back as 2011. The experiment ruled out the varieties that didn't produce well here.
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Bela, Violet, & Mini foraging around the yard 2011 ~ wish we could back 14 yrs again!
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I have both, but even my determinant variety has given me a few more lately.
My indeterminate variety is about 7’ high now
