Plan · field guide
Vegetable Garden Spacing: How Close Is Too Close
It is hard to believe a tiny seedling needs 2 feet of room, so beginners plant too close and pay for it later. Crowded plants block each other's light, choke airflow, and fight for water, which means more disease and less food. Here is how far apart common crops really go.
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Why spacing matters more than it looks
Two plants too close do three bad things: they shade each other and lose yield, they trap damp air that breeds powdery mildew and blight, and their roots compete for the same water and nutrients. Good spacing is free disease prevention.
The numbers on the seed packet are not padding. They are the minimum room each plant needs at full size, not as a seedling.
Real spacing for common crops
How far apart to set plants in the bed:
- Tomatoes: 24 inches apart. They grow into 3-foot bushes.
- Peppers and eggplant: about 18 inches.
- Summer squash and zucchini: 24 inches, and they sprawl wider than that.
- Cucumbers: 12 inches when grown up a trellis.
- Bush beans: 3 inches; carrots and beets: 2 to 3 inches.
- Lettuce: 6 to 10 inches; basil: 8 inches; kale: 16 inches.
The raised-bed trick
In a raised bed you can plant a little tighter than the packet says, because you tend it from the side and do not need walking rows between plants. Keep the in-row spacing above (24 inches for tomatoes is still 24 inches), but you can skip the wide row gaps meant for field rows.
The plant spacing calculator does this math for you. Tell it your bed size and it shows how many of each crop actually fit.
Questions, answered straight
About 24 inches between plants. They grow into 3-foot bushes, and close spacing traps damp air that spreads blight. Give them room and stake or cage them.
A little. You can drop the wide gaps meant for walking rows, but keep the in-row spacing each plant needs at full size. Crowding still costs you airflow and yield.
More disease from poor airflow, less food from shading, and weaker plants from root competition. Thinning is cheaper than spraying.
Use the plant spacing calculator. Enter your bed size and each crop's spacing and it tells you how many fit without crowding.
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