Square Foot Gardening vs. Row Gardening: Which Grows More?

Walk past a dozen vegetable gardens and you will see two very different philosophies. Some are laid out in long, straight rows with paths between every one, the way farms and many family gardens have been planted for generations. Others are compact grids of square beds, each divided into one-foot squares and packed with plants. Both produce food. Both have passionate defenders. And both are the right choice for some gardeners and the wrong choice for others.

This article compares square foot gardening and row gardening honestly: how much each grows, what each costs, how much work each takes, and when each makes the most sense. By the end, you should have a clear idea of which suits your space, budget and style, or whether a mix of the two is the answer.

The two methods in brief

Row gardening

In a row garden, crops are planted in single lines with a path between each row. Plants are spaced closely within the row and farther apart between rows, so you can walk, hoe and harvest between them. Row spacing for small crops is often around 12 to 18 inches, and for large sprawling crops it can be several feet. This layout descends from farming, where rows suit tractors and long plantings of a single crop.

Square foot gardening

Square foot gardening was popularized by Mel Bartholomew, whose book on the method was first published in 1981. Crops are grown in compact beds, usually 4 feet wide, divided into a grid of one-foot squares. Each square holds a set number of plants based on their size, typically 1, 4, 9 or 16. There are no paths inside the beds: you reach in from the sides. The original method also calls for a specific soilless mix of compost, peat moss and vermiculite, although many gardeners now use other blends.

Which grows more food per square foot?

This is where the debate usually starts, so it is worth doing the math properly. A fair comparison must count the whole garden, including paths, not just the planted area.

Take leaf lettuce as an example. In a row garden, lettuce might be spaced 8 inches apart in rows 18 inches apart. Each plant then occupies about 8 by 18 inches, or 1 square foot, so the whole row garden averages about one lettuce per square foot including the paths between rows.

In a square foot garden, lettuce is planted 4 per square foot inside the beds. But beds are separated by paths, typically around 2 feet wide between 4-foot beds, so roughly two-thirds of the garden area is growing space. Across the whole garden, that averages about 4 × 0.67, or roughly 2.7 lettuces per square foot.

So for lettuce, a square foot garden fits roughly two and a half to three times as many plants in the same total area. The advantage is similar for other small, closely spaced crops such as carrots, radishes, beets, onions and spinach, because these are exactly the crops where row gardens waste the most space on paths.

For large crops, the gap narrows. A zucchini plant needs about 9 square feet whichever method you use, and sweet corn grows best in blocks of several rows for pollination. Here, the square foot method saves some path space but does not transform the numbers.

You can explore these numbers for your own space with the plant spacing calculator, which compares square grid, offset and row patterns for the same bed, and the square foot gardening calculator.

Cost to set up

Here the advantage swings firmly toward rows.

A row garden can be started with a spade, a rake, some compost and seeds. If your native soil is reasonable, the main costs are amendments and plants. A square foot garden usually involves raised bed frames and enough soil mix to fill them, which is often the biggest single expense of a new garden. A single 4-by-8-foot bed 6 inches deep holds 16 cubic feet of mix, and a 12-inch bed holds 32.

The original soilless mix of compost, peat and vermiculite is pleasant to garden in but can cost more than soil-based blends, and vermiculite in particular can be expensive in quantity. Many gardeners reduce costs by filling beds with a blend of topsoil and compost instead. The raised bed soil calculator works out the volume for either mix, and the garden cost calculator adds up the full setup.

It is worth remembering that frames and soil are one-time costs. After the first year, running costs for both methods are similar: compost, seeds, plants and water.

Work and maintenance

Weeding

Square foot beds generally need less weeding. Plants grow close enough to shade the soil, there is far less bare ground, and the beds are small enough to weed by hand in minutes. Row gardens have long paths of open soil between rows, which weeds love. Mulching paths helps a lot, but a row garden of the same productive capacity simply has more ground to keep clear.

Digging and tilling

Row gardens are often tilled or dug each year to loosen soil that has been compacted by walking. Square foot beds are never walked on, so the soil stays loose, and many gardeners never dig them at all after the first fill, just adding compost on top.

Watering

Because the growing area is concentrated, square foot beds are easier to water efficiently. You water only the beds, not the paths. A simple soaker hose or drip line covers a bed well. Row gardens can also use drip lines along each row, but overhead watering wastes a lot on the paths. The garden watering calculator shows how much water each layout needs.

Harvesting

Harvesting a square foot bed is quick, because everything is within arm’s reach. In row gardens, picking long rows of beans or peas involves a lot of bending and walking, but crops such as potatoes and corn are easy to harvest in rows.

Planning

Square foot gardening asks for more planning. Each square is a decision, and replanting squares through the season works best with a plan. Some people love this. Others find it fiddly and prefer the simplicity of sowing a row.

Where row gardening wins

• Large plantings of a single crop. If you want a hundred feet of potatoes, a big block of sweet corn or enough beans to can, rows are simpler and cheaper.
• Sprawling crops. Winter squash, pumpkins and melons need lots of room, and a row or hill in open ground costs much less than filling raised beds for them.
• Tools and machinery. Tillers, wheel hoes and seeders are designed for rows.
• Good native soil. If your ground is already fertile and well-drained, there is less reason to bring in soil and build frames.
• Tight budgets for big gardens. For gardens of several hundred square feet or more, the cost of beds and soil adds up fast.

Where square foot gardening wins

• Small spaces. Yards, patios and side gardens where every square foot counts.
• Poor or contaminated soil. Beds let you garden on clay, rocky ground, compacted fill or even paving.
• Beginners. The grid makes spacing obvious, and small beds are manageable.
• Limited time. Less weeding, less digging and quicker watering.
• Accessibility. Raised beds are easier on backs and knees, and taller beds can be worked from a seat or a wheelchair.
• Variety. A single bed can hold a dozen different crops, which suits households that want a little of everything rather than a lot of a few things.

A side-by-side summary

The middle ground: wide beds

Many experienced gardeners end up somewhere in between. Wide beds, sometimes called permanent beds or intensive beds, take the best ideas from both methods without the full cost of frames.

Mark out beds about 3 to 4 feet wide directly in the ground, with paths between them. Never walk on the beds. Improve the soil with compost each year. Inside the beds, plant on a grid using the in-row spacing from the seed packet in both directions, just as you would in a square foot bed. Mulch the paths with wood chips or straw.

This approach gives you most of the space efficiency and easy maintenance of square foot gardening, at a fraction of the setup cost. You can add frames later if you want them. It also scales well: a garden of a dozen wide beds is no harder to manage than one of three.

Mixing the two in one garden

There is no rule that says you must choose one method for the whole garden. A practical layout for many households combines:

• Square foot beds near the house for salad greens, herbs, tomatoes, peppers and anything you pick often.
• Rows or hills farther out for space-hungry crops such as corn, potatoes, winter squash and melons.
• Wide beds in between for root crops, beans and brassicas.

The garden size calculator helps you work out how much growing space each part of the layout gives you once paths are taken out.

How to decide

Ask yourself four questions.

1. How much space do you have? Under a few hundred square feet, square foot beds or wide beds make the most of it. With lots of room, rows become more attractive.
2. How good is your soil? Poor, rocky or contaminated soil points toward raised beds. Good native soil makes rows or in-ground wide beds easy.
3. What do you want to grow? Lots of greens, herbs and variety suits square foot gardening. Big harvests of a few crops for storage suit rows.
4. How much time and money do you have? Square foot gardening costs more upfront and saves time later. Rows cost less upfront and take more ongoing work.

For most first-time gardeners with a modest yard, one or two square foot beds are an excellent start. They are manageable, productive and forgiving, and they teach spacing and planning skills that carry over to any method. If you are just beginning, our list of the 10 easiest vegetables for first-time gardeners includes a starter plan for a single 4-by-8 bed.

Converting a row garden to beds

If you already have a row garden and want to try a more intensive approach, you do not need to start over. A gradual conversion works well.

1. Mark out beds. In fall or early spring, mark beds about 3 to 4 feet wide, with paths about 18 to 24 inches wide between them.
2. Move soil from paths to beds. Shovel the top couple of inches of soil from the paths onto the beds. This raises the beds slightly and improves drainage without buying soil.
3. Add compost. Spread a couple of inches over each bed and work it into the top few inches.
4. Mulch the paths. Cover paths with cardboard and wood chips to suppress weeds.
5. Stop walking on the beds. This is the single most important change. Loose, unwalked soil is what makes close spacing work.
6. Plant on a grid. Use the in-row spacing from seed packets in both directions.

You can add wooden frames later if you want a neater look, or keep the beds frameless indefinitely. Either way, you will likely find you can grow the same amount of food in noticeably less space.

Frequently asked questions