Description
Solanum lycopersicum ‘Black Krim’ is a famous heirloom beefsteak tomato originally from the peninsula of Krim on the Black Sea, prized for its deep, complex flavor and striking dark coloration. The indeterminate plants are vigorous and productive, typically reaching 1.8 to 2.4 meters in height, and require staking or caging to support the heavy fruit set. Fruits are large, slightly flattened, and develop dark reddish-brown to purplish skin with green shoulders. The flesh is juicy and rich, offering a bold, savory flavor with sweet and smoky undertones, making it excellent for fresh slicing, sandwiches, and gourmet culinary uses.
This variety performs best in full sun and fertile, well-drained soil with consistent moisture, particularly during fruit development. It is well adapted to warm conditions and is valued for its reliable yields and outstanding taste.
Sow seeds indoors 6 to 8 weeks before the last expected frost date. Transplant outdoors once all risk of frost has passed and soil temperatures remain consistently above 16°C – 18°C. In mild or frost-free climates, seeds may be started from late winter to early spring for optimal growth and production.
Germination Guide
🌍 Crimean Peninsula, Black Sea region
Moderate
Black Krim is a heirloom beefsteak tomato originating from the Crimean Peninsula on the Black Sea coast, renowned for its deep purple-brown fruits and distinctive smoky, sweet, and salty flavor profile. Seeds germinate readily in warm conditions (65-90°F, optimally 75°F), typically emerging within 5-14 days with high germination rates around 85%. This moderately easy-to-grow variety requires consistent soil warmth and moisture during germination for best results.
Germination
Germination time
Expect germination in
5 – 14 days
Temperature
Min 65°C
Ideal 75°C
Max 90°C
Substrate moisture
💧 Medium
Sowing depth
Lightly covered
Substrate & Container
Recommended substrate
Sterile seed-starting mix, well-drained potting mix
Recommended container
Small containers 4 inches or smaller, seed trays, cell packs, 20-row seedling flats
Growing Tips
Maintain soil temperature consistently at 70-85°F using a heat mat if necessary for rapid, uniform germination. Sow seeds 1/8 to 1/4 inch deep in sterile, soilless seed-starting mix to prevent fungal damping-off and seed rot. Keep soil evenly moist like a wrung-out sponge without saturating; avoid overwatering. Once seedlings emerge, provide immediate bright light (16-18 hours daily under grow lights) and reduce temperature to 60-70°F to promote stocky growth. Thin seedlings to one per cell after emergence and transplant into larger pots when first true leaves appear. Start seeds indoors 6-8 weeks before the last frost date to avoid leggy, root-bound transplants. Ensure good air circulation with a gentle fan to prevent fungal diseases. Harden off seedlings gradually over 7-10 days before planting outdoors after all frost danger has passed and nighttime temperatures consistently exceed 50°F.
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