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Gardening Articles: Edibles :: Vegetables

Staking Tomatoes

by National Gardening Association Editors

To keep indeterminate tomato plants from gobbling up too much garden space and to insure cleaner, healthier tomatoes, many gardeners support their plants, train them to grow a certain way and regularly pinch off unwanted growth. Staking is one popular way of supporting tomatoes.

Advantages of Staking:

  • It saves space. You can grow more plants in a given area.
  • It keeps vines and tomatoes off the ground. Fruit is cleaner with less rotting.
  • You'll get an earlier harvest. The pruning that staked tomatoes require forces more of the plant's energy into ripening fruit.
  • Each tomato is larger than if not staked. Pruned plants put more energy into fewer tomatoes.
  • It's easier to pick tomatoes and to work around plants.

Disadvantages of Staking:

  • It takes time and effort to stake, train and prune plants.
  • Staked tomatoes are more susceptible to cracking, blossom end rot and sunscald problems.

The total yield of staked plants is often lower than similar plants that are not staked. You have to prune off side shoots and branches to support the plant with a stake and that actually reduces the total leaf surface of the plant. The leaf surface is the site of the plant's food manufacturing operation, so less leaf surface means a smaller total food supply, and that affects total yield.

Staked plants usually need mulching with materials such as hay or grass clippings. The mulch helps retain moisture in the soil. Staked plants actually need more water than unstaked tomatoes because they are held up and exposed to the sun and drying winds. They are also more susceptible to sunscald.

Not all tomato plants need staking. Determinate tomatoes stop growing at a certain height -- usually when they're fairly short. They stop growing because the main stem forms a flower bud at the top that produces fruit. Most of the determinate varieties are early types, and they're bushy plants with short, stout stems that support them pretty well. Some popular determinate varieties include 'First Pik', 'Oregon Spring' and 'Sub-Arctic Maxi'.

Tomatoes with an indeterminate growth habit will continue to grow in height throughout the season if you feed them well and let them take off. You may see a photograph in the newspaper during the summer of a tomato plant being trained up the side of a house. The plant may be anywhere from 6 to 15 or 20 feet high. That's a well-fed indeterminate plant, for sure! Popular indeterminate varieties include 'Early Girl', 'Better Boy' and 'Rutgers'.

Another group of tomatoes are the dwarf or patio types. These varieties never need staking, grow only two to three feet tall, produce cherry-tomato-sized fruits and are great for containers or small gardens. Popular varieties include 'Pixie II' and 'Small Fry'.

A new type of dwarf tomato, called the dwarf indeterminate, combines the short, bushy growth of dwarf plants with the long production season and large fruit size of indeterminate types. Examples of these varieties are 'Better Bush Improved' and 'Husky Gold'.

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