How Far Apart Should Tomatoes Be Planted
Camila Farah

Determinate tomatoes space dwarf determinate tomatoes which only grow 12 to 18 inches tall one to two feet apart.
Indeterminate tomatoes this is where supporting your plants makes a big difference with spacing. That will be enough space between rows so you can support them and harvest them nicely. The proper way to space your sprawling tomatoes should be planted 3 to 4 feet apart and your rows should be planted approximately 4 to 5 feet apart. This will give them maximum exposure to the sunlight and enough room to sprawl outward.
But as we shall find out there are many other considerations that influence how far apart you should plant your tomatoes. Full sized determinate tomatoes should be planted two feet apart. This will give you an idea of the much space you need to leave in between your tomato plants. In this regard the recommended spacing for indeterminate tomato varieties is not less than 3 x 5 feet.
As such such a tomato plant will occupy about 300 cubic feet on the garden. In raised beds keep your tomato plants at least 18 inches apart this much of spacing is fine for most varieties. Spacing tomatoes plants in the ground if you are starting your tomato garden directly in the ground you need a lot of space to plant in rows which make tomatoes look amazing. They ll be less likely to suffer soil borne diseases.
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The simple answer is between 24 and 36 inches apart. If the raised beds are deeper than 12 inches or more you can plant tomatoes a bit closer.Source : pinterest.com