Key Points
- Whether it’s too late depends on the region—gardens in the north finish before frost, while those in the south prune later.
- If freezing temperatures are approaching, pinch back the flowers, remove any infected leaves, or uproot the plants and hang them indoors to allow the tomatoes to mature.
- Do not over-trim, cut damp plants, or use unclean equipment—opt for gentle, sanitary cuts to ensure well-being.
You might have observed thattomato plants growto be completely crazy. Before you realize it, you end up with a plant that produces an endless supply of tomatoes, which can become overwhelming if you don’t manage the plant’s size through pruning.
As summer approaches its end, you may be questioning whether it’s too late to address the size of your plants. The answer is… and isn’t. Pruning tomato plants isn’t a universal approach. So if you’ve been gazing out your backyard window and pondering, “Can I prune tomatoeslate in the season?” here’s everything you need to know (and how to proceed).
Meet the Experts
- Lindsey Chastainis a horticulture specialist, homesteader, and writer for Waddle and Cluck.
- Nastya Vasylchyshyna is a certified horticulturist and a plant science specialist at Plantum.
Pruning Is Not Mandatory, But It Requires Timeliness
While tomatoes have a pretty lengthy growing seasonAt some point, it may be too late to prune your plant. Therefore, you should not ignore this task simply because you believe you have plenty of time to complete it.
As stated by gardening expert Lindsey Chastain, whether it’s too late to prune your tomatoes entirely depends onthe area where you reside.
If you reside in a more northern area, it’s now too late for significant pruning,” Chastain explains. “This could hinder the remaining fruit from ripening before the first frost. If you’re in a southern region, where the first frost is expected in November, it’s still not too late.
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What to Try When It’s Past the Time to Prune
If you’re already past the point of no returnprune your tomato plants, not all hope is lost. You can still trim or tend to your plant to improve air circulation, which can promote better ripening. If you reside in a northern state where the first frost is coming soon,
Chastain advises to remove any new blossoms and small fruits that will not mature before the first frost occurs.
This will help direct more growth towards the fruit that is going to mature,” she explains. “You can still perform a gentle removal of any yellow or unhealthy leaves to enhance air circulation and continue inspecting for and eliminating any pests.
You can also inspect your plant for any diseased or dead stems and remove them. Chastain suggests that it’s beneficial to “top” your plant before the first frost by cutting off the growing tip, allowing any remaining energy to focus on the final fruits.
If you find yourself trapped with abunch of green tomatoesAnd the first frost is approaching, so remove the whole plant from the soil, including the roots, and hang it upside down in a protected area such as the garage,” she explains. “The tomatoes will keep ripening on the vine, allowing you to slightly outsmart nature.”
Ensure Proper Pruning During Suitable Weather Conditions
Understanding when to prune your tomato plants is only part of the process. Vasylchyshyna notes that the second part involves pruning on a suitable day when the weather is warm and dry.
This climate helps cuts and fractures on the stem to dry and recover faster,” she explains. “High humidity encourages illnesses, so avoid pruning during the night or in rainy conditions to prevent numerous open wounds on the stems.
Tip
Always employ clean, sharp scissors when trimming your tomato plant to ensure accurate cuts. Chastain advises against removing more than 1/3 of the leaves at once to avoid stressing the plant.
Don’t Overprune Your Tomatoes
Not following through with pruning is a frequent error that our specialists often observe. Nastya Vasylchyshyna, a master gardener and botany expert at Plantum, states that pruning your tomato plant is not a choice, yet many individuals perceive it as such.
Correct pruning is crucial for maximizing crop production and maintaining the general well-being of the tomato plant,” she explains. “Pruning stress enables the plant to adjust its internal processes to focus on fruit development and prevents it from producing too much foliage, which would waste energy on new growth.
And on top of nottrimming, she mentions another frequent error that occurs all too often isoverpruning.
Even though consistent pruning benefits tomato plants, it’s crucial to recognize that this procedure can be taxing for the plant,” Vasylchyshyna explains, “It’s advisable to remove leaves slowly and ensure you don’t cut more than 15–20% of the overall green growth at once to prevent the plant from expending excessive energy.
3 Additional Errors in Tomato Plant Pruning to Steer Clear Of
Here are some additional errors that our specialists advise you to steer clear of when tending to your tomato plants:
- Using dirty tools:Unsanitary pruning shears can transmit illnesses to your plants. Begin with clean tools and make sure to disinfect them after each pruning session.
- Pruning determinate varieties:Not every tomato plant is of the same type. The only kind of tomatoes that require pruning are indeterminate varieties, not determinate ones. Determinate tomatoes reach a specific size and then stop growing, so it’s important to know the type you’re planting in order to provide the correct care.
- Pruning wet plants:Avoid trimming your tomato plants following a rainfall or when they are damp. This can lead to the development of illnesses in the exposed wounds.
Read the original story onThe Spruce
