Egg Yolk Tomato is a vibrant yellow cherry tomato that brings both visual drama and exceptional sweetness to the garden. These sizeable fruits, ranging from 1 to 2 inches in diameter, mature in 70 to 79 days and grow on indeterminate vines that reach 4 to 5 feet tall, making them excellent candidates for trellising and extended harvests. Low in acid with a naturally sweet flavor, they thrive in full sun across hardiness zones 2 through 11, earning their place as a beloved heirloom open-pollinated variety that gardeners return to year after year.

Photo © True Leaf Market
24
Full Sun
Moderate
2-11
60in H x ?in W
—
High
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The inciting, vibrant yellow color of these cherry tomatoes is matched only by their remarkably sweet, low-acid flavor that sets them apart from standard tomato varieties. Unlike many cherry tomatoes, their 1 to 2 inch size provides satisfying substance while still delivering the convenience of small fruit. The open-pollinated heirloom genetics mean you can save seeds from your best plants and grow them again next season, creating a continuous connection between growing seasons.
These cherry tomatoes shine when eaten fresh off the vine, where their low acid and natural sweetness make them perfect for snacking straight from the garden. Their vibrant yellow color and petite size also make them decorative additions to salads, where they add both visual appeal and concentrated sweet flavor. The prolific production of indeterminate plants means you'll have plenty for fresh eating throughout the season.
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Start seeds indoors 6 to 8 weeks before your last spring frost date. Sow seeds at a depth of 1/4 inch in warm soil, keeping temperatures between 70 and 80 degrees Fahrenheit for reliable germination. Seedlings typically emerge in 5 to 10 days. Maintain bright light and keep soil consistently moist until seedlings are ready to transplant.
Transplant hardened-off seedlings outdoors after the last frost date and when soil has warmed to at least 60 degrees Fahrenheit, ideally 70 degrees or warmer for vigorous growth. Space plants 24 inches apart with 36 inches between rows. These indeterminate vines will benefit from support installed at planting time to avoid root disturbance later.
Pick fruits when they reach full yellow color and feel slightly yielding to gentle pressure, typically 70 to 79 days after transplanting. These cherry tomatoes taste best when fully ripe and warm from the sun. The indeterminate growth habit means plants will continue producing fruit throughout the season until frost, so check plants every 2 to 3 days during peak season to harvest at peak sweetness. Gentle twisting and lifting will detach ripe fruit cleanly from the vine.
As an indeterminate variety, Egg Yolk Tomato benefits from light pruning to improve air circulation and manage plant size. Remove lower leaves as the plant grows to reduce disease pressure and direct energy upward. Some gardeners selectively remove lateral shoots (suckers) early in the season to create a more manageable main stem, though cherry tomatoes are more forgiving of heavy pruning than larger slicing varieties. Avoid excessive pruning that removes too much foliage, as the leaves fuel fruit production.
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“Egg Yolk Tomato carries the legacy of heirloom tomato cultivation, preserved and passed down through generations of open-pollinated seed saving. As an open-pollinated, non-GMO variety, it represents the kind of tomato that home gardeners and seed savers have maintained for decades, keeping genetic diversity alive in home gardens and small farms. This variety embodies the broader movement to preserve heirloom vegetables and maintain access to seeds that gardeners can save, replant, and share with others.”