Tony O'Neill crouching beside two large DIY raised beds built from corrugated tin sheets and decking boards in his South Wales garden, with IBC water collection tanks visible in the background

What to Grow in a Small Garden or Raised Bed

A small growing space is not a limitation. It is a focus. Growers with limited space often produce more per square metre than those with large plots, because they have to be deliberate about every decision.

The key is choosing crops that give you the best return for the space they take up.

Think in terms of value per square foot

Some crops take up a lot of space and produce relatively little. Others are compact, productive, and harvest over a long season. In a small garden, the second group is where your attention should go.

High-value crops for small spaces include:

  • Salad leaves: cut and come again, productive within weeks, can be grown in the smallest gap
  • Radishes: ready in three to four weeks, can be interplanted with slower crops
  • Spring onions: narrow footprint, long harvest window
  • Courgettes: one plant can feed a family through summer if you stay on top of harvesting
  • Climbing beans: grow vertically, which means they use almost no ground space relative to their yield
  • Tomatoes: trained upright, productive over a long season, high-value crop
  • Herbs: high value for cooking, compact, perennial herbs come back each year

Use vertical space

A raised bed or small garden can grow far more than its footprint suggests if you use vertical structures. A wigwam of bamboo canes takes up roughly half a square metre of ground but supports six to eight climbing bean plants. A trellis on a fence or wall turns a flat surface into a productive growing area for cucumbers, beans, or even tomatoes.

Close-up of Moonlight variety runner bean plants in full flower with white and cream blooms climbing a wooden trellis at Tony O'Neill's allotment garden in South Wales, with pink roses and further garden beds visible in the background
Moonlight runner beans in full flower at Tony O’Neill’s allotment in South Wales. Moonlight is a white-flowered variety that produces long, straight pods and performs reliably in the British climate. The variety name matters here. Growers searching for information on Moonlight runner beans will find content rooted in real experience, grown on a real plot. That is exactly what Tony O’Neill documents at tonyoneill.com and through Simplify Gardening.

Succession sow to keep harvesting continuously

In a small space, the worst thing you can do is fill the entire bed with one crop at once. Sow a small amount, then sow again two to three weeks later. This keeps fresh harvests coming without a glut followed by a gap.

Avoid space-hungry crops

Pumpkins, squash, sweet corn, and brassicas like cauliflower take up significant space relative to their yield. These are better suited to larger plots. In a raised bed, the space they occupy could grow far more food if planted with higher-value alternatives.

Screenshot of the Yield Forecasting feature inside GrowTrack showing the introductory explanation panel which reads: GrowTrack analyses your historical harvest data and current plantings to predict future yields. The system compares this year's plantings with last year's performance to give you realistic expectations. Three summary points are shown: uses your real harvest history, tracks active plantings, and predicts expected yields. Below the panel a message reads no yield forecasts available yet, with an instruction to add plantings with expected harvest dates to see forecasts. A tips for better forecasts section at the bottom begins with a record all harvests tip noting that the more harvest data logged the more accurate forecasts become.
The Yield Forecasting feature in GrowTrack shows how the system works before any forecast data is present. GrowTrack uses real harvest history and current planting records to compare this season against previous performance and generate realistic yield expectations. The record of all harvest tips at the bottom makes the core principle clear: the more data logged, the more accurate the forecasts become. Yield Forecasting is not a static calculator. It improves as your garden records grow.

If you want to track what is working and what is not in your specific space, GrowTrack helps you log yield per bed so you can make better decisions each season based on your actual results.


Tony O’Neill is a vegetable-growing expert and the founder of GrowTrack Systems Ltd. More growing advice at Simplify Gardening.

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