Brandywine Black Tomato Seeds

🍅 BRANDYWINE BLACK Tomato Seeds

Price for a package of 10 seeds.

🍅 BRANDYWINE BLACK Tomato Seeds produce a remarkable indeterminate beefsteak tomato with large dark mahogany to purple-black fruits, rich flavor and exceptionally meaty flesh. This variety is valued by gardeners for its old-fashioned tomato taste, attractive dark fruit color and distinctive potato-leaf foliage.

The plants are vigorous and can reach approximately 1.5–2 m in height under suitable growing conditions. The large fruits are juicy, dense and meaty, making them excellent for fresh salads, sandwiches, slicing and cooking.

🌡️ Temperature Resistance and Cold Hardiness

BRANDYWINE BLACK is a warm-season tomato and is not frost hardy. The plant requires warm growing conditions and should be planted outdoors only after the danger of frost has passed.

Germination temperature: approximately 27–29°C (80–85°F).

Optimal growing conditions: warm temperatures, full sun and a sheltered position.

Cold tolerance: Poor. Growth and fruit production are negatively affected by cold conditions.

Frost tolerance: None. Freezing temperatures can severely damage or kill the plant.

For reliable outdoor cultivation, transplant only after the soil and nighttime temperatures have warmed sufficiently and frost is no longer expected.

🌱 Plant Features

Botanical Name: Solanum lycopersicum

Type: Beefsteak tomato

Growth Habit: Indeterminate

Foliage: Potato leaf

Plant Height: Approximately 1.5–2 m

Fruit Color: Dark mahogany, purple and black tones

Fruit Weight: Approximately 340–450 g, with larger fruits possible under suitable conditions

Flavor: Rich, juicy, earthy and sweet

Maturity: Approximately 80–90 days after transplanting

Sunlight: Full sun

🍅 Fruit Characteristics

BRANDYWINE BLACK develops large beefsteak fruits with a distinctive dark mahogany to purple-black coloration. As the fruits mature, their color becomes deeper and more intense.

The flesh is particularly dense, meaty and juicy, while the fruits contain relatively few seeds. This makes them especially suitable for slicing, sandwiches and fresh salads.

The rich old-fashioned tomato flavor also makes BRANDYWINE BLACK suitable for sauces, cooking and other tomato dishes.

🌞 Growing Conditions

Light: Full sun.

Soil: Fertile, rich and well-drained soil with good organic matter.

Position: Warm, sunny and sheltered with good air circulation.

Water: Keep the soil consistently moist but never waterlogged.

Feeding: Use balanced fertilizer during early growth and a suitable tomato fertilizer during flowering and fruit development.

Because BRANDYWINE BLACK is indeterminate, it continues producing new flowers and fruits throughout the growing season when conditions remain favorable.

🌱 Sowing Instructions

Sowing Time: Start indoors approximately 6–8 weeks before the last expected frost.

Sowing Depth: Approximately 6–12 mm (1/4–1/2 inch).

Germination Temperature: Approximately 27–29°C (80–85°F).

Germination Time: Approximately 7–14 days under suitable conditions.

Sow the seeds in quality seed-starting compost and cover lightly. Keep the growing medium evenly moist and provide warmth until seedlings emerge.

Once seedlings appear, provide strong light and continue growing them in warm conditions until they are large enough to transplant.

🪴 Transplanting

When seedlings have developed their first true leaves, transplant them into individual pots. Grow them in a warm and bright position until they are strong enough to acclimatize outdoors.

Harden the plants gradually before planting them into the garden. Transplant only after the danger of frost has passed and the weather is consistently warm.

Allow approximately 60–90 cm between plants and provide sufficient space for the vigorous indeterminate vines.

🪵 Support and Training

BRANDYWINE BLACK is a vigorous indeterminate tomato and requires strong support. Use a tall stake, sturdy tomato cage or trellis.

Install the support when transplanting so that the root system is not disturbed later. Tie the main stems loosely to the support as the plant grows.

Large beefsteak fruits can become heavy, making reliable support particularly important.

✂️ Pruning and Maintenance

Remove unwanted side shoots when training the plant to one or several main stems. Pruning can improve airflow and make the vigorous vine easier to manage.

Remove yellowing, damaged or diseased lower leaves when necessary. Do not remove excessive healthy foliage because the leaves provide energy required for fruit development.

💧 Watering

Keep the soil evenly moist throughout the growing season, especially during flowering and fruit development.

Water deeply around the root zone and allow excess water to drain freely. Avoid extreme fluctuations between very dry and excessively wet soil because inconsistent moisture can contribute to fruit cracking and other growth problems.

🌱 Feeding

Feed young plants with balanced fertilizer during vegetative growth. Once flowering begins, use a fertilizer suitable for tomatoes and fruit production.

Avoid excessive nitrogen because excessive nitrogen can encourage vigorous foliage growth at the expense of flowers and fruit.

🌾 Harvesting

Harvest BRANDYWINE BLACK when the fruits have developed their mature dark mahogany or purple-black coloration and have begun to soften slightly.

Regular harvesting encourages continued production from the indeterminate plant.

If frost is approaching, harvest mature green fruits and allow them to finish ripening indoors in a suitable warm location.

🥗 Culinary Uses

The large, meaty fruits are excellent for slicing and eating fresh. Their rich flavor makes them particularly suitable for sandwiches, salads, burgers and fresh tomato plates.

The dense flesh and relatively low seed content also make the fruits useful for sauces and cooking.

🌍 History and Origin

BRANDYWINE BLACK is associated with a Pennsylvania seed history dating back to the 1920s. It is described as an open-pollinated variety with indeterminate growth, potato-leaf foliage and dark mahogany beefsteak fruits.

The variety is known for its traditional tomato flavor and large, dark-colored fruits. Different seed sources may show some variation in fruit size, color and production.

🐛 Pests and Diseases

Monitor plants regularly for common tomato pests such as aphids, whiteflies, caterpillars and spider mites.

Good plant spacing and adequate airflow can help reduce the risk of foliar diseases. Avoid keeping foliage unnecessarily wet and remove damaged or diseased leaves promptly.

❄️ Winter and Frost Protection

BRANDYWINE BLACK is a frost-sensitive annual tomato. It cannot survive freezing winter conditions outdoors.

At the end of the growing season, harvest remaining mature fruits before the first frost. Container-grown plants should also be protected from cold temperatures.

⚠️ Important Notes

BRANDYWINE BLACK is an indeterminate tomato and requires strong support. The plants can become tall and vigorous, while the large beefsteak fruits can place considerable weight on the branches.

The variety is not frost tolerant and should only be planted outdoors after the danger of frost has passed.

Published sources commonly describe maturity at approximately 80–90 days after transplanting, with fruits generally around 340–450 g, although larger fruits may occur under favorable growing conditions.

This product is supplied as a package of 10 seeds.

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