How to Space Different Tomato Types

Correct spacing is one of the most important factors in growing healthy, productive tomato plants. Different tomato types grow in very different ways, and spacing them correctly improves airflow, reduces disease, and maximises yields. Too close and plants compete; too far apart and you waste valuable growing space.

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This guide explains exactly how to space different tomato types for the best results.

Why Tomato Spacing Matters

Proper spacing:

• Improves airflow and reduces disease risk
• Allows light to reach all leaves and flowers
• Prevents competition for water and nutrients
• Makes watering, feeding, and harvesting easier
• Increases overall yield and fruit quality

Crowded tomatoes often look lush but produce fewer fruits.

Tomato Types and Their Growth Habits

Before spacing correctly, it helps to understand the main tomato categories:

• Cordon (indeterminate): Tall, continuously growing plants
• Bush (determinate): Compact plants that stop growing after fruit sets
• Cherry tomatoes: Can be bush or cordon, often very productive
• Dwarf / patio tomatoes: Bred for small spaces and containers
• Trailing tomatoes: Designed to spill over baskets and containers

Each type needs different spacing.

Spacing Cordon (Indeterminate) Tomatoes

Cordon tomatoes grow tall and narrow when trained properly.

Recommended Spacing

• In the ground or beds: 45–60cm between plants
• In rows: 60–75cm between rows
• In pots: 1 plant per 20–30 litre container
• In grow bags: 1–2 plants per bag

Good vertical support is essential to keep plants narrow and upright.

Spacing Bush (Determinate) Tomatoes

Bush tomatoes grow wider and bushier than cordon types.

Recommended Spacing

• In the ground: 50–60cm between plants
• In rows: 60–75cm between rows
• In pots: 1 plant per 10–15 litre container
• In grow bags: 2 plants per bag

Bush tomatoes need more horizontal space but less height.

Spacing Cherry Tomatoes

Cherry tomatoes vary widely depending on whether they are bush or cordon types.

Recommended Spacing

• Bush cherry tomatoes: 45–60cm apart
• Cordon cherry tomatoes: 45–50cm apart
• In pots:
  • Bush: 10–15 litres per plant
  • Cordon: 20–30 litres per plant

Despite small fruits, cherry tomatoes can be very vigorous.

Spacing Dwarf and Patio Tomatoes

Dwarf and patio tomatoes are bred for compact growth.

Recommended Spacing

• In the ground: 35–45cm between plants
• In pots: 1 plant per 5–10 litre container
• In window boxes: 1 plant every 30–35cm

These varieties are ideal for small gardens and balconies.

Spacing Trailing Tomatoes

Trailing tomatoes spread rather than grow upright.

Recommended Spacing

• Hanging baskets: 1 plant per 30–35cm basket
• Troughs or containers: 35–40cm between plants

Overcrowding trailing tomatoes leads to tangled growth and poor airflow.

Spacing Tomatoes in Grow Bags

Grow bags are common but often overcrowded.

Best Practice

• Standard grow bag:
  • 2 plants (ideal)
  • 1 plant for very large varieties
• Space plants evenly along the bag
• Avoid planting more than 3 under any circumstances

Fewer plants almost always outperform crowded grow bags.

Spacing Tomatoes in Polytunnels and Greenhouses

Protected growing needs extra airflow.

Recommended Spacing

• Cordon tomatoes: 45–60cm apart
• Bush tomatoes: 50–60cm apart
• Avoid double rows too close together

Good spacing reduces humidity-related problems.

What Happens If Tomatoes Are Spaced Too Closely?

• Poor airflow increases disease risk
• Plants compete for water and nutrients
• Reduced light penetration
• Fewer flowers and fruits
• Increased pest problems

Crowding is one of the most common causes of poor yields.

Can You Space Tomatoes Closer to Save Space?

You can space slightly closer if:

• Plants are well pruned
• Airflow is excellent
• Feeding and watering are consistent

However, closer spacing rarely improves yields and often causes problems.

Quick Tomato Spacing Guide

• Cordon tomatoes: 45–60cm apart
• Bush tomatoes: 50–60cm apart
• Cherry tomatoes: 45–60cm apart
• Dwarf/patio tomatoes: 35–45cm apart
• Grow bags: 2 plants per bag
• Pots: 1 plant per container

Final Thoughts

Spacing tomatoes correctly is a simple step that makes a huge difference. By matching spacing to tomato type, you improve plant health, reduce disease, and maximise harvests. When in doubt, give plants a little more space — tomatoes almost always reward room to grow with better crops and fewer problems.