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Tomato Seeds, Korean Long
Description
(Solanum lycopersicum). Unique, tasty and versatile, this Korean Long variety is a great sauce or slicing tomato with meaty flesh and superb flavor. The long pinkish-red fruit has a slightly curved pointed nose or tail and ranges between 6-14 ounces, with some fruit being more heart-shaped. A crack-resistant paste tomato that is productive, reliable and bursting with heirloom flavor. This sumptuous and flavorful variety is delicious both fresh and cooked.
- Indeterminate
- 85-90 days to maturity
- 6-8 hours of full sun
- Sprouts in 7-14 days
- Seed Depth: 1/8"
- Plant Spacing: 24"
- Ideal Temperature: 75-95 F
- Frost Hardy: No
Growing Tips, Tricks and FAQs
Growing Tips
The Korean Long tomato is an heirloom variety that grows best in full sunlight, with 6-8 hours of direct exposure daily. The soil should be fertile, well-draining, and slightly acidic, with a pH of 6.0 to 6.8. Regular, deep watering is very important, especially during dry spells. Mulching helps retain water and control weeds. Support the indeterminate plants with sturdy stakes or cages to prevent sprawling and encourage healthy fruit development.
When to Grow
Start seeds indoors 6 to 10 weeks before the last frost date in your region. Transplant seedlings outdoors after all danger of frost has passed and the soil temperature consistently reaches above 60 F. In areas with shorter growing seasons, consider using raised beds or black plastic mulch to warm the soil and extend the growing period.
How to Sow and Plant
Sow seeds about 1/8 inch deep in a seed-starting mix, keeping the soil at 70-80 F. You can use a heat mat to help warm up the soil and speed up germination. Harden off seedlings for 7-10 days before transplanting by gradually exposing them to outdoor conditions. Space plants 24 inches apart.
How to Grow
Fertilize with a balanced, slow-release fertilizer at planting, and side-dress with compost or additional fertilizer every few weeks during the growing season. Remove suckers (small shoots growing between the main stem and branches) to focus energy on fruit production. Monitor for common pests such as aphids, hornworms, and whiteflies.
How to Save
- Most tomatoes are self-pollinating and don't frequently cross; in a garden setting, separating by 25 feet should prevent 99% of cross-pollination. Or you can bag and hand pollinate for 100% purity.
- On a small scale, seeds may be scooped from the fruits and dried on a paper towel.
- For larger quantities or cleaner seeds, fermentation for a few days is recommended.
- Once dry, tomato seed can be stored in a cool, dry, dark place; good seed retains viability for 5 years or more.
FAQ
Can Korean Long tomatoes grow in containers?
Yes, but use a container of at least 5 gallons with proper staking to support the indeterminate growth.
How do I prevent diseases in Korean Long tomatoes?
Rotate crops annually, avoid overhead watering, and maintain proper plant spacing to reduce the risk of fungal and bacterial infections.
What are good companion plants for Korean Long tomatoes?
Basil, marigolds, and garlic make excellent companions, as they deter pests and improve overall garden health.
More Questions?
Check out our "Tomatoes 101" blog post by staff horticulturist John Lenz.
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