Golden King of Siberia is a beloved heirloom tomato that delivers one-pound, lemon-yellow fruits with a distinctly heart-shaped form. The flesh is smooth and creamy, balancing sweetness in every bite, making it one of those varieties gardeners find themselves snacking on straight from the vine. This indeterminate plant produces prolifically over 80-85 days from transplant and thrives in zones 3-12, showing notable disease resistance. Its Siberian heritage speaks to resilience, yet it still needs full sun and warm growing conditions (75-95°F) to reach its potential.
Full Sun
Moderate
3-12
?in H x ?in W
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High
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Big, canary-yellow fruits with a charming heart shape and smooth, creamy flesh deliver a satisfying sweet flavor that keeps gardeners coming back for more. These one-pound beauties ripen consistently across the season, and plants remain impressively productive even as they climb higher. The combination of reliable yields, distinctive appearance, and that balanced sweet taste makes this an heirloom worth the space in any garden.
These golden tomatoes are at their best sliced fresh, whether for salads, sandwiches, or simply eaten warm from the garden. The smooth, creamy flesh and balanced sweetness make them especially appealing for fresh eating rather than cooking down into sauces.
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Start seeds indoors 6-8 weeks before your last spring frost. Sow seeds at a depth of 1/8 inch in warm soil; they will sprout in 7-14 days when kept at 68-82°F. Keep seedlings under bright light once sprouted to prevent legginess.
Harden off seedlings over 7-10 days by gradually exposing them to outdoor conditions. Transplant outdoors after the last frost date when soil temperature has reached at least 60°F, spacing plants 24 inches apart. Plant deeply, burying the stem up to the first true leaves to encourage strong root development.
Harvest fruits when they reach full lemon-yellow color and yield slightly to gentle pressure. Since these are one-pound tomatoes, they'll be noticeably substantial and heart-shaped when ready. Pick them at the mature yellow stage for peak sweetness, typically 80-85 days after transplanting. You can also harvest slightly less ripe fruits and allow them to finish ripening indoors at room temperature if needed.
As an indeterminate variety, this tomato will continue growing indefinitely and benefit from selective pruning. Remove lower leaves as the plant matures to improve air circulation and reduce disease pressure. Pinching off suckers (shoots that form between the main stem and branches) directs energy into fruit production rather than excessive foliage.
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