No. 085 · heirloom

Japanese Black Trifele

Japanese Black Trifele is an indeterminate heirloom slicer with burnished mahogany fruit. It ripens in about 75 days.

Illustration of Japanese Black Trifele tomato
Illustration based on known traits, not a photo.
TypeSlicer
HabitIndeterminate
BreedingHeirloom
Maturity75 days
Fruit size4 to 6 oz
ColorBurnished mahogany with green-streaked shoulders, pear-shaped
DifficultyEasy
Best forSlicing, fresh, salad, sauce

Flavor

Described as rich and complex, a smooth dark tomato that slices cleanly for salads or cooks into sauce. This is the recurring catalog and grower description, not a measured claim.

Origin

A Russian heirloom, despite the name, with pear-shaped mahogany fruit resembling a dark Bartlett pear.

What it does well

  • Distinctive mahogany pear shape
  • Smooth skin that resists cracking
  • Rich, complex dark flavor and reliable yields

Where it frustrates

  • Dark color makes ripeness hard to judge
  • Indeterminate vines need staking

Growing it

  • Indeterminate vine. It keeps growing and setting fruit right up to frost, so plan on a tall stake or cage and regular pruning through the season.
  • Mid-season timing, ripening around 70 to 80 days from transplant.
  • Generally forgiving and beginner-friendly to grow.
  • Skins resist cracking, even after a heavy rain.
  • One of our picks for the cold, short-season gardens of New England.

Disease resistance

An heirloom, sold without formal disease-resistance codes.

Why no hardiness zone?

Tomatoes are warm-season annuals, so variety choice comes down to days to maturity and your local frost dates.

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Related reading

Common questions

Is Japanese Black Trifele determinate or indeterminate?
Japanese Black Trifele is an indeterminate variety. Indeterminate vine. It keeps growing and setting fruit right up to frost, so plan on a tall stake or cage and regular pruning through the season.
How long does Japanese Black Trifele take to ripen?
Japanese Black Trifele ripens in about 75 days from transplant. Mid-season timing, ripening around 70 to 80 days from transplant.
Is Japanese Black Trifele an heirloom or a hybrid?
Japanese Black Trifele is an heirloom, an open-pollinated variety with a documented history, so seed saved from it comes back true to type.
What can I grow instead of Japanese Black Trifele?
A close swap is Black Krim, but pear-shaped rather than a round beefsteak.

Sources

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