How big do indeterminate tomato plants get?

Author: Prof. Zelda Huel  |  Last update: Sunday, March 15, 2026

Indeterminate tomatoes continue to grow for what seems like indefinitely. Depending on the variety, they can grow from 6′-20′ tall. This type continues to produce tomatoes all growing season until a hard frost hits and stops them in their tracks.

How big do indeterminate tomatoes grow?

Indeterminate tomatoes are those that continue to vine and form their flowers along the sides of their shoots and continue to grow and produce tomatoes until their first frost kills them. This variety of tomatoes can attain heights between six to twelve feet and needs the support of tall tomato trellises and cages.

How much space does an indeterminate tomato plant need?

Indeterminate Tomatoes

Indeterminate varieties that are staked can be planted 1½ to 2 feet apart in the row. Indeterminate plants grown in wire cages should be spaced 2½ to 3 feet apart, while a 3- to 4-foot-spacing would be appropriate for indeterminate tomatoes allowed to sprawl over the ground.

What happens if you don't prune indeterminate tomatoes?

If you leave the suckers on the plant, those suckers will turn into more vines. More vines mean more flower clusters and, eventually, more fruit. Each vine needs water and nutrients from the plant, so your plant won't have enough energy to spend on making each fruit really big. Overall, tomatoes will be smaller.

Which is better, determinate or indeterminate tomatoes?

Determinates are more efficient. So more fruit per plant size, also more early fruit. But overall indeterminates are easier to maintain, less disease and a more steady production, unlike the periodic production of the determinates.

Growing Tomatoes This Way Gets Many Fruits And Doesn't Need Watering

Is a beefsteak tomato determinate or indeterminate?

While grape tomatoes are determinate, meaning they are bushy and produce fruit in a short period of time, beefsteak tomatoes are indeterminate, meaning they have sparser foliage and produce fruit over the course of a growing season. As indeterminate plants, they grow higher and require staking as well.

Are most heirloom tomatoes determinate or indeterminate?

Most heirloom varieties are indeterminate, which grow long vines that produce fruit throughout the season until killed by frost. The best-tasting varieties tend to be indeterminate. A few heirloom plants do not sprawl all over the place.

Do you remove side shoots from indeterminate tomatoes?

Since indeterminate tomato plants can get extremely large and will keep producing tomatoes all season, they can handle some pruning. Pruning indeterminate tomatoes also allows more space for extra plants in the garden. If you let all the suckers grow, your plants will become heavy and out of control.

How often do you water indeterminate tomatoes?

Water newly planted tomatoes well to make sure soil is moist and ideal for growing. Early in the growing season, watering plants daily in the morning. As temperatures increase, you might need to water tomato plants twice a day. Garden tomatoes typically require 1-2 inches of water a week.

Should you remove bottom branches from tomato plants?

To help improve airflow and cut down on the chance of disease, remove the leaves along the bottom 12 inches of the stems of indeterminate tomato plants.

What happens if you plant tomatoes too close together?

Tomato plants require a good amount of these resources, so if they're planted closely together, they will compete and likely all lose. Low Production – Even if tomato plants growing closely together survive, they may not produce as many tomatoes as they could have if properly spaced.

Do indeterminate tomatoes need cages?

Indeterminate tomatoes continue to grow and set fruit all season long, producing tall vines that can reach heights of up to 10 feet. You want a very sturdy cage to support these tall plants.

Should I top my indeterminate tomato plants?

Determinate varieties won't need topping, and indeterminate varieties will be fine if left without a haircut. You may wish to allow your tomatoes to just keep growing along the trellis or cage.

Can I grow indeterminate tomatoes in a 5 gallon bucket?

In contrast, indeterminate tomatoes are large plants that grow more like a vine. Optional: Herbs, lettuce or flowers. Planting tomatoes in 5-gallon buckets is a great option if you don't have much garden space. Begin by making at least a dozen holes in the bottom of the bucket so that water can drain easily.

What is the best staking for indeterminate tomatoes?

A 3- to 4-foot-tall staking system works well for determinate varieties. Indeterminate tomato varieties continue to grow, flower, and set fruit until they are killed by frost in fall. A 5- to 7-foot-tall staking system is best for indeterminate types.

Can indeterminate tomatoes be grown in pots?

In general, determinate tomatoes tend to do better in pots, so look for those. It's also possible to grow indeterminate tomatoes in containers, of course, as long as you provide enough support and soil volume.

Do you prune indeterminate tomatoes?

Pruning indeterminate tomatoes improves fruit production by removing extra growth that diverts energy away from developing fruits. Removing extra growth redirects energy back to the fruits and reduces fruit shading, both of which will help fruits mature more quickly.

Is it better to water tomatoes in the morning or afternoon?

TOMATO WATERING TIPS

Water in the morning to the keep the soil moist through the heat of the day. Always water at the base of the plant — watering from above invites disease. Check tomatoes growing in pots often since they dry out quickly. Be consistent — fluctuations in water supply lead to cracking and blossom end ...

What does an overwatered tomato plant look like?

Overwatering generally makes the plant look almost like it's rotting, as in drooping and turning soggy brown. My guess is it is having Nitrogen problems. Any type of vegetable fertilizer you buy at the store should work fine.

Should you pick the first flowers off tomato plants?

Pros. Some gardeners recommend you “pinch off” the flowers on your tomato transplants during their first weeks of growth, claiming that removing early blossoms: Directs more energy into establishing a strong root system. Results in a larger, sturdier, and potentially healthier tomato plant.

How do I know if my tomatoes are determinate or indeterminate?

All tomatoes are either one or the other.
  1. Determinate varieties (including bush varieties) reach a certain plant height and then stop growing. ...
  2. Indeterminate varieties continue to grow and produce tomatoes all along the stems throughout the growing season.

Does pruning tomato plants increase yield?

Pruning, or selectively removing some of the tomato plant growth, can improve harvestable yields and prolong the harvest season. Further, keeping tomato plants off the ground reduces common fungal diseases like early blight, Septoria leaf spot, and anthracnose, and improves fruit quality.

How long can indeterminate tomatoes live?

Indeterminate tomato plants will keep growing until something kills them. Outdoors the plants will die when they are exposed to frost but most will be in bad shape by that point anyway. Lower branches and leaves will die off naturally as the plant ages and gets attacked by insects and diseases.

Why are heirloom tomatoes hard to grow?

Heirloom tomatoes are more prone to fungal diseases and bacterial infections, such as so it's best to keep the foliage dry and off the ground by caging to avoid leaf diseases. Humid weather can also cause early and late blight, which you may be able to spot if the plant's leaves turn yellow.

Is a cherry tomato determinate or indeterminate?

Most cherry tomatoes are indeterminate and have a large, sprawling growth habit that requires pruning and support. When space is limited, many gardeners choose determinate varieties as they grow in a more compact, bush-like shape.

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