Benefits of trimming your tomato plants

Can I trim my huge tomato plant while there is still unripened fruit? The answer to this question is one I think all gardeners may ask as they get use to growing tomato plants. Yes, you can trim your tomato plant with unripened fruit with no concern about hurting the plant or the unripened fruit. As a matter of fact, trimming will actually stimulate the plant and make the unripened tomatoes to grow larger. Who doesn’t like larger tomatoes over a bucket of small ones?

Why trim your plant?

I owned a greenhouse business for six years and have had my own garden for twenty years, but helped my dad for years before that, so I have seen the best ways to manage your tomatoes. The tomato is a wonderful addition to your garden as it will produce such fabulous vegetables that are a great addition to sandwiches, salads, soups, salsa and any other thing you can think of. Unfortunately it can also be a frustrating foray if you are unaware of the best ways to take care of your plant.

Tomato plants will not grow until the weather where you live gets warm enough, generally 75 degree days and at least 60 degree nights. This type of warmth is required to heat up the ground and make the roots take off. When this happens your plant will grow quite rapidly. Tomato plants will develop several branches that shoot off of the main stem and before long the plant can get unwieldy. This is when you need to pull out the knife and give it a trim.

These tomatoes are proof of the value of trimming your tomato plants.

Will it stunt the plant or hurt the fruit?

There is no reason to be concerned about pruning the plant. Think of it this way. You walk out to your garden and you have a tall plant that has twenty branches. In the ground you have the root system that is pulling nutrients and moisture up into the plant to help it grow. As the plant grows more branches you fixed amount of energy the roots can deliver to the plant becomes divided into smaller parts. The tomatoes that develop are huge energy hogs and if they do not get what they need they will not develop very fast.

In order to kick start their development you can trim off some of the branches. When you do this you leave more energy coming from the roots that is sent off to the tomatoes. Instead of having 50 or 75 little tomatoes you can have 35 or 45 medium sized ones. My dad used topich some of the blooms off of his plants even after a heavy trimming job. By doing this he ensured there would be a few large tomatoes on each of his vines.

Is there a wrong way to prune my tomato plant?

Really there is no wrong way to do this, just be sure you cut the stems on the sides of the plant, off the main stem. If you have what is called a determinate type of tomato plant, it will grow to a pre-determined height and no more. With what is called an indeterminate type however, your tomato will continue to grow taller as long as it lives.

Mainly you want to cut away what is known as the suckers. These are little shoots that develop in the branches of your tomato plant. If left to grow, these will develop into a large branch that will pull your plant toward the ground. The ground is actually the worst place for a tomato plant in my experience, because if you have a wet season, you will have what is called blight, a fungal disease that will kill your plant.

The larger tomatoes have access to the sunshine due to the pruning of the foliage that will normally surround the fruit.

A well pruned and supported plant will produce many nice tomatoes.

This is a wide view of a portion of my 2010 tomato garden.

Should I support my plant or let it grow on its own?

Even with a regular pruning your tomato plant is going to grow to the point it needs support to keep it upright. The tomatoes will do so much better if you keep your plant off the ground. In order to do this you will need some time of sturdy items to use in this process.

Some people use tomato cages, or a round wire cylinder to support their plants. The tomato cage allows the tomato to rest inside and keeps it upright. You can reach through the mesh holes to retrieve tomatoes as they ripen.

Others will take stakes and then twine which is woven in and out of the stakes to create a type of fence. This also supports the plants and makes it easy to pick the ripened fruit as well as taking care of the pruning needs.

Personally I prefer using a stake, which I tie the tomato plant directly to to keep it upright. Currently I use some aluminum rods that my dad passed down to me that are about eight foot tall. This is not necessarily the height you should have, but remember I said the indeterminate varieties will grow until the end of the season and the ones I am growing this season are almost to the top of my rods.

Your success will vary based on the varieties you grow as well as your growing zone and corresponding summer weather.

Notice the nice even shape of these tomatoes, which benefitted from pruning.

About Joe Owens

Can you tell from my writing I love God? I hope so because that is what I want you to know most about me. I am also a writer who loves taking on fiction prompts and crafting a story. One day you will read my work in print. Until then enjoy it here! For free!
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8 Responses to Benefits of trimming your tomato plants

  1. Pingback: New, Free Tomato Plant from Your Existing Plant Using Suckers

  2. Pingback: Growing tomatoes from seed | Joe's Musings

  3. Rinelle Grey says:

    Your tomatoes look wonderful!

    I don’t grow tomatoes often, and when I do, it’s usually the cherry tomato type (they don’t seem to get attacked by fruit fly), but I’ll remember this. I’m so not good at pruning (anything), but it’s a skill I probably should learn. Luckily, tomatoes grow pretty much all year round here, even though we’re just coming into winter.

  4. Pingback: Hygiene | Things I See and Know

  5. dreaminofobx says:

    Oh how I’d love to sink my teeth into some of those tomatoes! Unfortunately I’ll be moving this summer, so any dreams of growing my own tomato plants will have to wait until next year. In the meantime, I hope to find someone who’s got an overabundance of tomatoes and would like to share!

  6. ARK says:

    Joe is that your home in the background? If yes… its just so awesome scenery behind the house… trailing roads… green grass lining across the roads… total cool. And those tomatoes are just so yummy…

So you took time to read what I wrote and I appreciate it, but comments are even better!

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