Tomato spacing is usually given in two measurements: space between plants and space between rows.
The plants are often compact enough that they dont require support.
Because of their limited growth, they also dont need pruning.
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Indeterminate tomatoes should always be staked, trellised, or caged.
Pruning the plants is also essential to keep the vigorous growth under control.
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Plants growing in crowded conditions with poor air circulation are an ideal breeding ground for fungal diseases to spread.
You’ll know that you skimped on spaced if these symptoms are true of your plants.
Tomato plant spacing in a raised bed is the same as in a ground-level garden.
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No, tomato plants cannot be planted togetheryou should give each plant its proper space.
A recommended method of plating them is tobury them deeply in the ground.
Growing Tomatoes in Home Gardens.
University of Minnesota Extension.
Tomatoes: From Seedlings to Fruit.