Plant Spacing Calculator

Calculate how many vegetables fit in any pot, container, or raised bed. Get an instant visual layout with common UK vegetables or custom spacing.

Container & Plant Details

Shape

For raised beds, troughs, window boxes, or rectangular pots

Results

You can fit approximately:

-

plants

Enter dimensions to see layout

• Green dots represent individual plants

• Spacing shown is center-to-center

• Works for any pot, container, or raised bed

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How to Use This Calculator

1. Choose Your Shape

Select Rectangle for raised beds, troughs, window boxes, or rectangular pots. Select Round for circular pots, round raised beds, or circular containers.

2. Enter Dimensions

Measure your pot or bed and enter the dimensions in centimeters. For rectangular spaces, measure width and length. For round spaces, measure the diameter across the widest point.

3. Select Your Plant

Choose from common UK vegetables to automatically load recommended spacing, or select "Custom" to enter your own spacing from a seed packet.

Popular Uses

Round Pots & Containers

Perfect for balcony tomatoes, patio peppers, or herb pots

Window Boxes

Calculate lettuce, herbs, or flower spacing for rectangular troughs

Raised Beds

Plan vegetable layouts for rectangular or circular raised beds

Grow Bags

Optimize plant spacing in rectangular or round grow bags

Note: Spacing requirements vary by variety, soil fertility, and growing conditions. Always check your seed packet for specific recommendations.