VegetableTomato
Giant Belgium Yellow Tomato
Giant Belgium Yellow Tomato is a golden heirloom slicer that brings warmth and gentle flavor to the summer garden. This indeterminate variety grows 4 to 6 feet tall and produces smooth, globe-shaped fruits with a mild, low-acid taste that sets it apart from tangy red tomatoes. From transplant to first harvest takes 80 to 95 days, depending on heat and light. Hardy across zones 2 through 11 and thriving in full sun, it's an open-pollinated variety that rewards patient gardeners with consistent yields throughout the season.
Photo © True Leaf Market
Growing Conditions
USDA Zone
2-11
Sunlight
Full Sun
Water
Moderate
Soil
Well-drained, Fertile Loam With Organic Matter
Growth Stats
72 in
Height
TypeIndeterminate
Spacing
24
Plant Profile
Sunlight
Full Sun
Water
Moderate
Zones
2-11
Size
72in H x ?in W
Growth
—
Care
High
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Highlights
Golden yellow skin and globe-shaped fruit with a smooth blossom end make this tomato instantly recognizable in any garden. The flesh is notably mild and low in acid, making it stand out from standard slicing tomatoes for gardeners who find acidity unpleasant. As an indeterminate, high-growing vine, it demands sturdy support but rewards you with continuous harvests over many weeks. Open-pollinated and heirloom-grown, it's a variety you can save seeds from year after year, building your own strain.
Common Uses
This is a premium slicing tomato, meant for the table rather than canning or sauce. Its mild, low-acid character and tender flesh suit it to fresh summer eating: sliced thick on a plate with good salt, layered into sandwiches, or served alongside fresh cheese. The gentle flavor won't overpower delicate preparations and works well in any dish where you want tomato presence without sharp acidity.
Growing Timeline
No timeline data available yet for this variety.
Care Instructions
Start Indoors
Sow seeds indoors 6 to 8 weeks before your last spring frost date. Keep soil warm, around 70 to 80 degrees Fahrenheit, to encourage germination. Transplant seedlings into individual pots once they develop true leaves, and provide bright light to prevent legging.
Transplant Outdoors
Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days. Transplant outdoors after all danger of frost has passed and soil has warmed to at least 60 degrees Fahrenheit. Space plants 24 inches apart in rows 36 inches apart. Bury the stem deeper than it grew indoors to encourage a strong root system.
Harvesting
Pick fruits when they reach full golden yellow color and yield slightly to gentle pressure. The tomato should feel heavy for its size, indicating ripeness and full sugar development. Harvest regularly throughout the season to encourage continued flowering and fruiting. In late summer, pick all remaining fruits before frost, even if they're not fully ripe, and ripen them indoors on a windowsill.
Pruning
As an indeterminate variety, Giant Belgium Yellow will grow indefinitely unless pruned. Removing suckers (shoots that form between the main stem and branches) will channel energy into larger fruit production and improve air circulation, reducing disease pressure. Train the main stem vertically along a sturdy stake or trellis, tying it loosely as it grows. In late summer, pinch off new flower clusters that won't have time to mature before frost, allowing the plant to ripen existing fruit rather than chase new growth.
Growing Calendar
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Companion Planting
Pests & Diseases
Ecology & Traits
Edible
Scientific Classification
Solanum lycopersicum
Family
Solanaceae
Genus
Solanum
Growth Habit
Indeterminate
Native Status
L48 (I)AK (I)HI (I)PR (I)VI (I)CAN (W)
History & Origin
“Giant Belgium Yellow, sometimes known as Giant Belgian Yellow, carries the heritage of European heirloom tomato culture. Its origins trace to Belgium's gardening traditions, where this variety was developed and refined over generations. The catalog describes it as an open-pollinated heirloom, meaning it has been grown and preserved by home gardeners and seed savers rather than bred as a modern hybrid. This lineage of preservation makes each seed you save a continuation of decades, even centuries, of careful cultivation.”