Fruit Wines · Recipe · Inspired by Jack Keller's archived Winemaking Home Page.

BLACKBERRY WINE (2) [Medium Bodied Dry]

Craft a dry, medium-bodied blackberry wine with bold fruit flavor and natural tannins. This recipe produces a deep purple wine that improves beautifully after a full year in the bottle.

Yield
1 gallon
Prep
Ferment
Age
1 year
Difficulty
Beginner
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Fresh blackberries beside a glass of deep red wine on a walnut surface in warm natural light
Fresh blackberries beside a glass of deep red wine on a walnut surface in warm natural light

BLACKBERRY WINE (2) [Medium Bodied Dry]

Blackberries bring a lot to a wine — deep color, bold fruit flavor, and enough natural tannin to give the finished glass some backbone. Done right, this wine lands somewhere between a fruit-forward table wine and something you’d actually want to age. Dry, medium-bodied, and stained a gorgeous dark purple, it rewards patience. Give it a full year in the bottle and you’ll find the sharp edges have smoothed out into something genuinely worth pouring.

The beginner trap: Skipping or rushing the 24-hour Campden tablet rest before adding yeast — that wait is what knocks out wild bacteria and spoilage organisms, so don’t shortcut it.

Ingredients

  • 4 lbs. blackberries, fresh or frozen
  • 2¼ lbs. granulated white sugar
  • 7 pints (3.5 quarts) water
  • 1 Campden tablet, crushed
  • ½ tsp. pectic enzyme
  • ½ tsp. acid blend (or 1½ tsp. lemon juice as a backup)
  • 1 tsp. yeast nutrient
  • 1 packet wine yeast (Lalvin 71B or EC-1118 work well)

Method

  1. Wash the blackberries well and load them into a nylon straining bag set inside your primary fermentation bucket. Mash the fruit thoroughly with clean hands or a potato masher, then squeeze the bag to extract as much juice as possible.
  2. Add the water, sugar, Campden tablet, pectic enzyme, acid blend, and yeast nutrient to the bucket. Stir until the sugar fully dissolves.
  3. Cover the bucket with a clean cloth or loose lid and let it sit undisturbed for 24 hours. Do not add yeast yet.
  4. After 24 hours, sprinkle the wine yeast over the surface. Cover and set aside for 5 days, stirring the must once daily and squeezing the bag gently each time.
  5. On day 5, lift out the straining bag and let it drain without squeezing — pressing it hard at this stage can add bitterness.
  6. Siphon the liquid off the sediment into a clean secondary fermenter (dark glass carboy, or wrap a clear one in brown paper). Top up to the shoulder with water and fit an airlock.
  7. Move the carboy to a cool, dark spot (60–65°F) and leave it for three weeks.
  8. Rack the wine off the sediment into a clean vessel and let it continue fermenting for another two months.
  9. Rack one final time, then bottle in dark glass. Age at least one year before opening.

Why this works

Blackberries are rich in anthocyanins — the same pigments that make them so dark — which act as natural antioxidants and help stabilize color during aging. Pectic enzyme breaks down the pectin in the fruit cell walls, which releases more juice and prevents a cloudy finished wine. The Campden tablet (sodium or potassium metabisulfite) produces a small burst of sulfur dioxide that neutralizes wild yeast and bacteria, clearing the field for your chosen wine yeast to run a clean, controlled fermentation. The cool secondary temperature slows things down on purpose, giving proteins and tannins time to bind together and drop out of suspension — that’s what makes the wine clear and smooth rather than hazy and harsh.

Notes

Frozen blackberries work beautifully here and are often more consistent than fresh — freezing ruptures the cell walls and actually improves juice yield. Acid blend is usually available at homebrew shops; if you can’t find it, fresh lemon juice is a reasonable grocery-store substitute, though the flavor profile shifts slightly. If your finished wine tastes thin after six months, it likely needs more time — resist the urge to bottle early.