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Longkeeper Tomato

Longkeeper Tomato

$6.00
Pack Size
Out of Season
This variety is currently out of season. Pre-orders for next season will begin starting November 1.

Longkeeper is a unique heirloom tomato bred for exceptional storage that produces medium-sized, round to slightly flattened fruits with smooth, bright red skin and firm flesh. The flavor is good with a classic tomato taste that holds up well even after weeks of storage. These tomatoes are perfect for fresh slicing, salads, and late-season use when other tomatoes have finished. This variety is a good choice for Utah because it is productive, stores for an extended period (often 6–12 weeks), and performs reliably in our shorter high-elevation season and hot, dry summers when given full sun and consistent moisture.

Days to Maturity: Approximately 75-85 days from transplant to first harvest (often 78 days typical; fruits ripen in a concentrated period).

Sun Needs: Full sun with at least 6-8 hours of direct sunlight daily—essential for good fruit size, color, and flavor in Utah’s intense summer light.

Season Type: Warm-season crop; frost-sensitive—transplant only after soil warms to 65°F+ and all frost danger has passed (late May to early June in the Salt Lake City area).

Plant Habit & Support: Determinate to semi-determinate bush plants grow 3–5 feet tall; staking or light caging is recommended to support heavy fruit loads and keep plants upright—space 24-36 inches apart.

Other Notes: Exceptional storage qualities (fruits can keep for months in cool conditions); watch for blossom-end rot from inconsistent watering—organic mulch (like straw or compost) helps retain steady moisture and reduce soil splash; very useful for extending the harvest window.

Best Planting Method: Transplant when nights stay above 55°F and soil is warm. Space plants 24-36 inches apart in rows or beds; bury stems deeply (up to the first set of true leaves) to encourage strong roots. Amend soil with compost for fertility and excellent drainage—raised beds are ideal in heavier or alkaline Utah soils to improve root health and prevent issues. Organic mulch (such as straw, compost, or grass clippings) around plants conserves moisture, suppresses weeds, and moderates soil temperature.

Watering Needs: Provide consistent, deep watering (1-2 inches per week) to keep soil evenly moist, especially during flowering and fruit development—drip irrigation is ideal in dry Utah air to keep foliage dry and minimize disease. Avoid fluctuations that cause cracking or blossom-end rot; mulch helps maintain steady moisture, and containers may need more frequent checks during hot spells.

Fertilization Needs: Incorporate compost or balanced slow-release fertilizer (e.g., 10-10-10) at planting. Side-dress with a higher-phosphorus/potassium formula (like 5-10-10) when flowering begins to support fruit production over excess foliage. Tomatoes are heavy feeders—avoid high nitrogen late in the season to prevent leafy growth at the expense of fruit; organic options like compost tea provide steady nutrients. Harvest when fruits are fully red and firm—pick regularly to encourage continued production and enjoy peak sweetness.

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