For detailed step by step instructions for growing the Koralick tomato, visit our growing tomatoes page.
The Koralick tomato can crack but it occurred at a very low frequency.
Heat Tolerance: This tomato likes heat but a string of days in the 90's can cause blossom drop. This stress can take a week or more to recover from, delaying and reducing harvest. Woven shade cloth supported above the plants by poles is used by some growers to moderate temperature.
Fruit: 1 inch, round, red fruit. Grows in bunches that ripen together.
Germination rate: 100%
Time to Germination:
Seed Info: 6 years old.
We use older seed regularly with success. Germination rate is still excellent for this variety. Older seed takes longer to germinate.
In 2012 we lost most of our Koralick seedlings to damping off. The 2013 seedlings have not exhibited this problem.
Starting Seed Indoors:
Planting Seedlings Outside:
Your soil type will affect water needs. Carefully observing the plants and how long your soil remains damp is the best way to learn how to manage your unique conditions.
Many diseases that attack tomatoes, infect the plants when water stays on the plants for long periods or splashes up from the ground. Avoid getting water on leaves as much as possible. If you must water on cool cloudy days, wet the soil below the plants, ie. keep the leaves dry.
Seed Genetics: Non-hybrid, characteristics usually "fixed" through inbreeding.
Seed Collecting: Seeds will come true if crosses with other varieties are prevented. Tomatoes mostly self pollinate anyway but to prevent hybrids, bag an unopened flower with spun bonded row cover material. You can vibrate or gently tap the flower stem to aid in self pollination. Remove bag when fruit starts forming or petals fall. Mark stem with a string so you can find it later.
Life Cycle: Annual
Determinate: Plant will set and ripen fruit and then stop. Our season is short enough that this habit doesn't really affect productivity.
Staking: Some dwarf determinate tomato varieties do not require staking. The determinate varieties that we have grown get too big to grow upright without support. We use stakes, tomato cages or trellis to keep them upright.
Growing on the ground: Plant the seedlings at about a 20-40 degree angle from the ground so the stem doesn't snap as the plant gets heavy.
Pruning: If you want to grow an upright determinate without staking, pruning can help. Prune the terminal leaves at the top of the plant to induce new branches to form lower on the plant and help control height. Keep the height of the plant at 2.5 feet or less for best results.
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Note: Germination performance is affected by many factors including temperature, package type, seed age, etc.. All our seeds are grown under the same conditions of moisture, temperature, soil content and light unless otherwise noted. This allows us to compare varieties so you can see which ones are easier to grow. But, since your conditions may differ, you may not experience the same results.
These are not statistically significant sample sizes. To do so would require we plant over 6000 tomato seeds! But we do have germination data from previous years. If data appears atypical, we'll note it.