Brandywine Black ripens dark mahogany to burgundy because red flesh is viewed through skin that retains green pigment. The result is dusky rather than a guaranteed modern anthocyanin-purple trait. Look instead for dark-mahogany colour, large slicing fruit, and potato-leaf foliage when identifying the variety. Light and maturity may shift the shade slightly without making the fruit genuinely violet. Harvest when colour is uniform and the tomato yields slightly to very gentle pressure. Keep the original packet and photograph several fruit before describing the seed lot’s typical expression. Compare foliage and fruit together rather than relying on the name alone. The mature shade may vary slightly among fruit, but healthy examples should remain within a dark-mahogany range.
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Fruiting vegetable
Solanaceae
Organic fruiting vegetable seeds
Organic ‘Brandywine Black’ tomato (Solanum lycopersicum)
Solanum lycopersicum
Brandywine Black is an organic indeterminate potato-leaf heirloom tomato. Large dark-mahogany fleshy juicy fruit suits thick slices, sandwiches, salads, and sauces. Red flesh viewed through skin that retains green pigment creates the cultivar’s dark-mahogany to burgundy appearance; this does not guarantee a modern anthocyanin trait. Start seed six to eight weeks before the last frost, transplant into full sun, and install a tall cage immediately. Even moisture and mulch reduce stress and cracking. Harvest when fruit is dark mahogany, slightly yielding, and sound around the stem. Strong support protects heavy clusters throughout the continuing season, while regular picking keeps ripe fruit from remaining exposed to damage.
Quantity
Approximately 30 seeds
Exposure
Full sun
Difficulty level
Moderate
Discover the plant
Family
Solanaceae
Genus
Solanum
Species
lycopersicum
Cultivar
Brandywine Black
Type
Fruiting vegetable
Cycle
Annual in Quebec climates; frost-tender perennial where frost-free
Organic ‘Brandywine Black’ tomato (Solanum lycopersicum) is an indeterminate heirloom known for large dark-mahogany slicing fruit. Its dark appearance combines red flesh with retained green pigments in the skin and should not be confused with a guaranteed modern anthocyanin trait. Potato-leaf foliage, with broad lightly divided leaflets, helps identify the cultivar. Consulted horticultural references consistently describe indeterminate habit and late-season maturity. Abundant juicy flesh suits thick slices, sandwiches, salads, and fresh sauces. This organic seed serves gardeners seeking a late-season large heirloom without inventing a precise family origin. Its continuing growth requires strong support, while the fruit’s colour and leaf type provide useful checkpoints for confirming that plants remain true to name.
Start seed indoors six to eight weeks before the last frost, approximately 5 or 6 mm deep. Keep starting mix warm and moist without saturation, then provide intense light immediately after emergence. Pot on before roots become crowded and harden plants gradually to sun and wind. Transplant after frost into warmed soil and full sun. Bury part of the healthy stem to encourage additional roots without covering diseased foliage. Install a tall cage or sturdy stake at planting because indeterminate vines continue growing and producing until cold weather. Water deeply at soil level, mulch after the ground warms, and maintain even moisture to reduce cracking and stress. Provide airflow and avoid wetting foliage late in the day.
Consulted sources commonly place maturity around 80 to 90 days from transplanting; use this range as guidance. Harvest when fruit is uniformly dark mahogany, yields slightly to very gentle pressure, and remains sound around the stem. Cut or support large fruit to avoid tearing clusters. Wash tomatoes just before use and hold them at room temperature for best texture, away from direct sun. Use Brandywine Black in slices, sandwiches, salads, bruschetta, or cooked sauce. Refrigerate cut fruit within two hours. For any canning, follow a tested recipe requiring proper acidification because tomato colour or flavour alone never establishes safe acidity. Discard fruit showing mould, leaking tissue, or extensive decay.
Planting guide
From planting to establishment.
Planting depth
5 to 6 mm (approximately 1/4 in)
Spacing / density
Space approximately 45 to 60 cm (18 to 24 in) apart
Establishment temperature
Approximately 24 to 29°C (75 to 85°F)
Establishment time
Approximately 7 to 21 days depending on warmth and seed lot
Best planting time
Transplant after frost danger when nights are mild
Propagation
Seed
Growing method
Sow indoors six to eight weeks before the last frost, approximately 5 or 6 mm deep in clean moist starting mix without saturation. Maintain 21 to 27°C until emergence, then provide intense light and good airflow. Pot on when roots fill the container and feed lightly after establishment. Harden plants for approximately one week. Transplant after frost into full sun and fertile freely draining soil. Bury part of the healthy stem and install a tall cage at planting. Leave enough space to walk and maintain airflow around foliage. Water deeply at soil level when the surface begins to dry and mulch after soil warms. Tie stems with soft material. Harvest when large fruit becomes uniformly dark mahogany and slightly yielding. Continue picking until cold weather, then gather sound developed tomatoes. Clean tools between plants whenever disease is suspected, and remove badly affected tissue rather than leaving it beneath the crop. Inspect ties, clusters, and leaf undersides regularly. Avoid working through foliage while it is wet. Record flowering and harvest dates, then clean the cage after the season. Rotation with crops outside the nightshade family helps organize the garden when space allows. Keep sound and damaged fruit separate during harvest and process cracked tomatoes promptly.
Soil and care
The right conditions.
Exposure
Full sun
Soil pH
Approximately 6.0 to 6.8
Minimum temperature
10°C (50°F)
Watering
Water deeply when the soil surface begins to dry; maintain even moisture without saturation.
Soil type
Fertile, organic-rich, well-drained soil
Fertilization
Incorporate mature compost before planting, then apply balanced fertilizer for fruiting vegetables according to label directions and, ideally, a soil test. Avoid excess nitrogen, which promotes foliage at the expense of blossoms and fruit. In containers, divide applications into smaller doses because frequent watering leaches nutrients more quickly. Never fertilize completely dry potting mix.
Seasonal care
In late winter, sow indoors six to eight weeks before the last frost and keep seedlings under intense light. In spring, pot on as needed, feed lightly after establishment, and begin gradual hardening when days become mild. Transplant after frost into warmed soil and install a tall cage immediately. In early summer, water deeply at soil level, weed, and mulch once soil is warm. Tie stems with soft material and check heavy clusters. Through the season, maintain even moisture, avoid excessive nitrogen, inspect leaf undersides, and remove only genuinely diseased tissue. Harvest fruit when uniformly dark mahogany and slightly yielding. In late summer, continue picking and remove cracked fruit before it deteriorates. Before cold nights, gather sound developed tomatoes. After the season, discard diseased debris, clean cages and tools, and rotate away from nightshades when space allows. Store unused seed in a cool dry labelled place. Review harvest and watering notes before planning the following indoor sowing date. Record transplant date, first flower, first harvest, and prolonged rainy periods. These markers help adjust mulch, ties, and the next sowing schedule. Check cages after strong wind and replace any tie constricting a stem. During heavy fruit set, support individual clusters when necessary and harvest promptly after colour and texture indicate maturity. Before storing seed, confirm that saved fruit was healthy and true to the expected dark-mahogany colour and potato-leaf plant type.
Container growing
A controlled environment.
Recommended pot size
At least 45 to 60 L with a tall cage
Choose a container of at least 45 to 60 L, wide, heavy, and fitted with several drainage holes. Fill it with airy vegetable potting mix amended with a moderate amount of compost. Install a tall sturdy cage at planting because Brandywine Black is indeterminate and outgrows a small stake. Place the pot in full sun near convenient water access. Water slowly until excess drains, then wait until the surface begins to dry; never leave water standing in the saucer. During heat waves, check moisture daily. Feed at the labelled tomato rate without multiplying nitrogen-rich applications. Tie stems with soft material, remove only genuinely diseased foliage, and maintain airflow. Harvest dark-mahogany fruit regularly to lighten clusters. Before frost, gather sound developed tomatoes and protect the container only when safe to move. Inspect leaf undersides weekly and separate the pot temporarily from other nightshades when a serious problem appears. After the season, do not reuse diseased mix without diagnosis. Clean the cage and container before storage, and record watering frequency during the hottest weeks to improve next year’s container plan. Rotate the pot periodically when light comes mainly from one side, without twisting stems inside the cage. Keep the surface free of fallen diseased leaves and check drainage after every prolonged rain.
Bloom and dimensions
The complete profile.
Flower color
White to greenish white
Foliage color
Green
Foliage type
Herbaceous
Growth rate
Moderate to fast in warm conditions
Bloom period
Small greenish-white blossoms during the warm season
Fruiting
Large dark-mahogany to burgundy beefsteak fruit
Harvest
Approximately 80 to 90 days from transplanting; harvest dark mahogany and slightly yielding
Garden associations
What to plant with it.
Good companions
Basil, chives, parsley
Avoid planting with
Potato, fennel, kohlrabi
Slices, sandwiches, salads, bruschetta, and sauces
From the garden to inspiration.
Brandywine Black toast — Toast four baguette slices. Rub them with half a garlic clove, then add a thin layer of fresh cheese or mashed white beans. Slice one large ripe tomato, remove only damaged areas, and place one slice on each toast. Divide 15 mL (1 tbsp) olive oil among servings, then add a pinch of salt, pepper, and a few basil leaves. Serve immediately. Refrigerate cut tomato and uneaten toast within two hours. This fresh preparation is not shelf-stable. For sauce or canned tomatoes, use a tested recipe with the required acidification because perceived sweetness does not establish the cultivar’s pH. Wash the tomato and preparation surfaces just before use. For a dairy-free version, choose mashed beans and add a few drops of lemon juice when serving. Use a sharp knife to avoid crushing juicy flesh. Label leftovers with the date before refrigeration, and discard any portion held too long at room temperature.
Frequently asked questions
Everything toknow.
Brandywine Black is indeterminate. Vines continue growing, flowering, and setting fruit while conditions remain favourable instead of producing one concentrated harvest. Install a tall cage or sturdy stake at transplanting to avoid damaging roots later. Tie stems with soft material and inspect loaded clusters regularly. Growth may continue until cold nights, although ripening slows as temperatures fall. Pick ripe fruit regularly, remove only genuinely diseased material, and maintain adequate airflow around foliage. In a container, use at least 45 to 60 L and anchor support securely because a small decorative stake will not hold a mature plant. Record support height and the last harvest date to improve next year’s installation.
Harvest when fruit is uniformly dark mahogany, yields slightly to very gentle pressure, and remains sound around the stem. Sources indicate approximately 80 to 90 days from transplanting, although this range remains guidance. Light, warmth, watering, and transplant date change the schedule. Support fruit with one hand and cut the stem when a cluster resists. Hold whole tomatoes at room temperature away from direct sun to preserve texture. Refrigerate cut fruit within two hours. Discard any tomato showing mould, extensive leaking tissue, or widespread decay. Record first ripe fruit and growing conditions to improve the following season’s local schedule. Separate cracked fruit from intact tomatoes and use it promptly when still sound.
Yes, but indeterminate growth requires a very large container. Use at least 45 to 60 L, several drainage holes, and a securely anchored tall cage. Fill the pot with airy vegetable mix moderately amended with compost. Place it in full sun and check moisture daily during hot weather. Water deeply when the surface begins to dry without leaving water in the saucer. Feed at the labelled tomato rate and avoid excessive nitrogen. Tie stems with soft material, harvest regularly to lighten clusters, and maintain good airflow around foliage. Before frost, gather sound developed tomatoes rather than trying to carry an unsafe overloaded container. Clean the container and cage after the season before storing them.
Consulted sources indicate approximately 80 to 90 days from transplanting. This range describes a late-season large heirloom but is not a promise. Start seed six to eight weeks before the last frost, transplant after cold weather, and select full sun. Record transplant date, first fruit set, and first uniformly dark-mahogany tomato. Cool nights, insufficient light, irregular moisture, or a heavily loaded plant may delay ripening. Before autumn frost, gather sound developed fruit and allow tomatoes that have begun changing colour to finish indoors. Keep them at room temperature away from direct sun, inspect them daily, and discard any showing mould or decay.
