
If you're new to square foot gardening, don't worry - it's easier than you think. The basic principle is simple: divide your garden bed into 1-foot squares, and plant one crop per square.
To get started, choose a location with at least 6 hours of direct sunlight a day. This will ensure your crops get the sunlight they need to thrive.
Square foot gardens can be built on a balcony, patio, or even a small backyard. The key is to create a compact and efficient space that maximizes yields.
For a beginner-friendly layout, consider using a 4x4 grid, which allows for easy access and flexibility. This size bed can accommodate a variety of crops, from leafy greens to cherry tomatoes.
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Choose Location
Look for a spot that gets at least six to eight hours of full sun daily to ensure your Square Foot Garden is most productive.
Avoid low areas that may turn into puddles after a hard rain, as this can create drainage problems.
Position your raised beds near your house to make watering, weeding, harvesting, and other garden chores more convenient and harder to overlook.
You can set up square foot boxes on a patio, balcony, or lawn without breaking any soil, making it a great option for small spaces.
Leave an aisle at least three feet wide between beds to allow people to pass easily, to kneel or squat near the raised beds, and to allow the passage of wheelbarrows if needed.
Make sure the ground is more or less level to ensure your raised beds don't create drainage problems or damage to the surface below.
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Preparing the Soil
Before you can start planting, you need to prepare the soil. This involves loosening the top 8-10 inches of soil to a depth of 12 inches, which is crucial for square foot gardening.
Loosening the soil will help improve drainage, aeration, and root growth. You can use a garden fork or tiller to loosen the soil.
The ideal pH for most vegetables is between 6.0 and 7.0, so it's essential to test your soil pH and amend it if necessary.
Choosing Soil for a Square Garden
Choosing the right soil for a square garden is crucial for healthy plant growth. The best soil mix is created by Mel Bartholomew, the originator of the square foot gardening method.
This blend is made of ⅓ coarse-grade vermiculite, ⅓ sphagnum peat moss, and ⅓ blended organic compost. It provides perfect nutrition for your plants and conserves water.
Using this blend will save you time and effort in the long run. For more details on the mix and substitutions for elements that aren't available near you, visit SquareFootGardening.org.
The website also has a handy calculator to help you determine how much mix you need for your garden. You just need the dimensions of your box, and the calculator will do the rest.
Mel's Mix, the specific mix of ingredients used in the square foot gardening method, is composed of equal parts peat moss or coconut coir, vermiculite, and compost. This mix is water retentive, provides excellent drainage, and provides all the minerals and nutrients your crops will need.
You'll need 2.66 cubic feet of each of the three ingredients required for each four-by-four raised bed.
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Mulch
Mulch is a great way to conserve water and prevent fungal problems in your garden. Add a layer of mulch about one inch thick around plants once seedlings are established, leaving about an inch around the stems of plants that is mulch-free.
Use organic materials like bark, leaf litter, straw, coconut coir husks, or pine straw for mulch, rather than inorganic options like pebbles or recycled rubber chips. Inorganic mulches won't provide the same benefits as organic ones.
In arid climates, you'll need to add a deeper layer of mulch, around two to four inches, to prevent drying out and keep soil temperatures lower during heat waves. This extra layer of protection will make a big difference in your garden's health.
Designing the Garden
To create a well-laid-out garden, choose plants that fit together in space and growing times. This will help you plan a harmonious and thriving garden.
Arrange your plants like pieces of a jigsaw puzzle to complement each plant's height, growth rate, sun requirements, etc. This will ensure that your garden looks great and works efficiently.
Divide your garden boxes into square-foot sections to help with plant spacing. This is done by creating a grid on top of the soil, which will make it easy to plant a specific number of seeds per square foot.
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Benefits of a Garden
A well-designed garden can bring so much joy to your life, and one of the main benefits is that it helps create a well-laid-out garden where each plant is grown in the optimal space.
By using a Square Foot Garden Planner, you can avoid confusion when it comes to spacing suggestions for plants, breaking them down into easy-to-understand, equal segments.
Having a clear visual of how your garden will look and work together is also a huge advantage, allowing you to see the big picture and make adjustments as needed.
A well-planned garden is also a beautiful one, and with a Square Foot Garden Planner, you can create a stunning visual display of your hard work and dedication.
How to Layout?
Layout is a crucial step in designing your garden. To create a visually appealing and functional garden, you need to plan out the layout carefully.
Start by dividing your garden bed into square foot sections. This can be done using a material that sits on top of the soil, such as old blind slats or bamboo stakes. A string grid is not recommended as it doesn't touch the soil and can weaken over time.
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You can also use a square foot grid to define each section. This grid can be made of various materials, including wood slats, bamboo stakes, or even sticks. Bartholomew's canon suggests using long, thin slats of wood to create a homemade measuring tool.
To create a grid for a four-by-four-foot bed, you can lay three bamboo stakes horizontally and three vertically, with 12 inches between them. This will give you a total of 16 square foot sections.
Here are some examples of plants that can be grown in each square foot section:
- Basil (small varieties)
- Bok choy
- Celery
- Corn
- Dahlias (small varieties)
- Dusty miller
- Garlic (large varieties)
- Kohlrabi (large varieties)
- Jerusalem artichokes
- Lettuce (leaf varieties)
- Marigolds (small types)
- Pansies
- Parsley
- Parsnips
- Petunias
- Potatoes
- Radishes (large varieties)
- Salvia
- Strawberries
- Rutabagas
- Swiss chard
Remember to plant smaller transplants or sow seeds of low-growing plants, and so on, to fill each small square with an individual type of vegetable plant.
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Building the Garden
Create a grid to divide your garden boxes into square-foot sections. This will help with plant spacing and make it easier to plant a specific number of seeds per square foot.
Use a material that will sit right on top of the soil, such as old blind slats, to create the grid. I saved a ton of money by purchasing used blinds for a few dollars at Habitat for Humanity Restore.
You can also use bamboo stakes to create the grid, which is a personal favorite material for many square foot gardeners. With four-foot-long bamboo stakes, you can lay three horizontally and three vertically with 12 inches between them to create a grid for a four-by-four-foot bed.
A string grid is not recommended, as it does not touch the soil and the squares are not well defined. The string will also weaken over time and break.
Loose bamboo poles are a great option for creating the grid, as they provide flexibility when planning around plants that require more space, such as bush varieties of summer squash.
Planting and Growing
Planting and growing is where the magic happens in square foot gardening. To get started, you'll want to sow seeds at the right time for the specific crop, as some vegetables grow best in spring or fall, and others need the heat of summer.
For most vegetables, sow just one seed per intended plant, but exceptions include carrots and lettuce, which should be sown two or three seeds per plant. This allows for a higher chance of successful germination.
Before you begin, make sure to check your seed packet for the recommended sowing depth. This will ensure your seeds get the right amount of light and moisture to grow. Planting seeds is a straightforward process, but it's essential to do it correctly to give your plants the best chance of success.
To plant seeds, poke a hole in the growing medium, drop in the seed at the recommended depth, and cover it up. You can use a dibber, a pencil, your finger, or even a twig to make the hole. It's also a good idea to use a color-coded seeding square to help you lay out the sowing pattern for each square foot.
Here's a quick rundown of the steps to plant seeds:
- Plant one seed per hole, spaced appropriately for the mature plant.
- Poke a finger through the mulch into the soil, drop in a small amount of vermiculite, then the seed, and cover it with more vermiculite.
- Mist the newly planted seeds daily, so the soil doesn't dry out.
- Once plants are established, water them approximately once a week.
By following these simple steps and using the right tools, you'll be well on your way to growing a thriving square foot garden.
Sowing Seeds
Sowing Seeds is a crucial step in the planting process, and it's essential to do it correctly to ensure healthy growth.
Water the growing medium a day ahead of time, so it's moist but not sopping wet. This will help the seeds germinate evenly.
Mel Bartholomew's method of sowing only the seeds you need is a great way to reduce waste in the garden. For most vegetables, sow one seed per intended plant, but for carrots and lettuce, sow two or three seeds.
Check the seed packet for the recommended sowing depth and follow it. You can use a dibber, pencil, finger, or twig to poke holes in the growing medium for the seeds.
Here are some general guidelines for sowing seeds:
Remember to sow seeds at the appropriate time, as some vegetables grow best in spring or fall, while others need the heat of summer.
Seedlings
Growing seedlings indoors is a great way to get a head start on the growing season, especially for tender crops like tomatoes, peppers, or basil.
Transplanting seedlings requires some planning, so be sure to check the crop's recommended growing density to ensure you're not overcrowding the space.
Poke holes in the soil to establish the pattern for each square, then carefully insert the plant in the appropriate location.
Direct sowing isn't always the best option, so consider purchasing transplants or growing your own seedlings to give your crops a boost.
Caring for the Garden
Watering your square foot garden is a breeze if you do it right. Water when the soil feels dry, and use a small container to water each plant individually, pouring the water into the depressions you made when you planted them.
It will still take less than 10 minutes to water a 4x4-foot garden this way, and it's essential to water in the morning if your schedule permits. On hot or windy days, you'll need to water more often because the soil will dry out faster.
To prevent disease and pests, check your seedlings regularly, and thin them as suggested by each plant. Watering at soil level is also crucial, as getting water droplets on the leaves can lead to sunburn or develop fungus.
Watering Schedule
You'll need to water your square foot garden when the soil feels dry. Watering in the morning is ideal, as it will give the water a chance to evaporate off the leaves before the sun gets too strong.
Don't waste water on exposed soil between traditional rows. Instead, use a small container to water each plant individually, pouring the water into the depressions you made when you planted them.
Watering a 4x4-foot garden this way will take less than 10 minutes, even if you're watering every plant.
Weeding
Weeding is a crucial part of maintaining a healthy garden.
Using a weed-free growing method will significantly reduce weeding, leaving only seeds that the wind blows in or birds scatter to germinate.
Lining your beds with landscape fabric is essential to prevent grass and roots from nearby shrubs or trees from growing into your garden.
You'll be able to easily recognize and remove any uninvited guests to the garden soil by using the recommended planting patterns.
To prevent plants from dropping seeds in your weed-free growing medium, snip off flowers before they go to seed, making maintenance a breeze.
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Fertilizing
Fertilizing is a crucial part of keeping your garden healthy and thriving. Compost is the only fertilizer used, and it's added in generous amounts to the soil medium.
You should replenish the nutrient content of your raised beds by adding scoopfuls of compost when harvesting plants from the bed. This will replace the soil that has been removed.
Compost is added just enough to replenish the soil, no more, no less. This ensures your plants get the nutrients they need without overloading the soil.
By following this simple routine, you'll keep your garden looking its best and your plants will flourish.
Harvesting and Resowing
Harvesting your square foot garden is a thrilling moment, especially after putting in all that hard work. You'll have produce to harvest for a fresh summer salad or a satisfying main course.
Some plants can be harvested to cut and come again, like lettuce or kale. This means you can harvest them multiple times without replanting.
Other crops like radishes and carrots are plucked from the soil once they're ready to pick, leaving an empty space behind. These vacancies can be filled by sowing another round of seeds.
Before resowing, make sure to mix in a trowel full of compost to replace what has been harvested. This will give your new seeds a nutrient-rich start.
In crowded squares, it's wise to wait for other successful veggies to reach maturity and harvest first, so they don't overshadow and crowd out your new plant introductions.
Tools and Tips
To get started with square foot gardening, you'll need a few essential tools. A square foot gardening layout plan requires a grid of 1-foot squares, which can be marked out using a piece of string and a pencil.
A garden bed with a depth of 6-8 inches is ideal for square foot gardening, as it allows for good drainage and root growth.
To make the most of your space, consider using a raised bed, which can be built using wood or composite materials. A 4x4 foot bed is a good size for a small garden, and can be easily divided into 16 1-foot squares.
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Vegetable Tips
When planning your vegetable garden, it's essential to consider the light needs of your plants. Full sun and shade can make a big difference in their growth and productivity. Bush beans, for example, prefer full sun, while celery, lettuce, and spinach can tolerate shade.
If you're transplanting vegetables from a nursery or gardening center, use the same spacing method as mentioned earlier. Place plants in the dirt, leaving a shallow depression around each one to help hold water.
To ensure your newly planted vegetables get enough water, you may want to shade them to protect them from wilting. Water daily for a few days and then remove the shade and water weekly.
Here are some compatible plant pairings for a squarefoot garden:
Less Tools Needed
With square foot gardening, you'll need fewer tools to get the job done. This method requires only a pair of gardening gloves to protect your hands from thorns and dirt.
You'll also need a trowel or hori hori for planting and weeding, and a pair of pruners for trimming and pruning plants.
Since this is a no-till method, you won't need any large machinery like rototillers to turn over the soil.
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Keeps Your Tidy

Keeping your garden looking tidy is a breeze with the right tools and techniques. This gardening method's well-ordered grid system is perfect for those who prefer a neat landscape.
Each crop has a dedicated space on the grid, making it easy to plan and maintain your garden. The grid system helps you visualize the layout and keep everything organized.
Growing on the grid creates visual order and keeps things neat, which is a relief for anyone who likes a tidy garden.
Right Number of Permissions
To plan your square foot garden bed, you'll want to know the right number of plants per square foot. This will help you make the most of your space and ensure each plant has enough room to grow.
First, determine the ideal number of plants that can fit in one square foot, taking into account the spacing between them. For example, some vegetables and herbs can be planted very densely, while others need more space.

To measure out distances, use a ruler or make things easier with a seed sowing template. This will help you mark each square foot of soil with the right planting pattern.
The general number and spacing rules for common vegetables, herbs, and flowers are as follows: they're listed from most densely planted to least densely planted.
Specific Garden Plans
With a square foot garden, you can grow a wide variety of plants in a small space, including leafy greens like lettuce and spinach, which can be harvested in as little as 20 days.
For a beginner-friendly layout, consider grouping plants into categories like "cool season" and "warm season" to ensure optimal growing conditions. This will help you plan your garden and make the most of the space.
Each square foot can be divided into smaller sections for intensive planting, such as growing 16 lettuce plants in a single square foot.
16 Per
If you're looking to maximize your garden space, consider using the 16-per-square planting method. This technique is perfect for small crops that thrive in close proximity.
Beets, carrots, chives, onions, and radishes are all great candidates for this method. They're small in size and can be grown just three inches apart, making them ideal for this type of planting.
To get started, divide a grid section into four equal parts by making a cross. Then, divide each of those parts into four equal sections, creating a total of 16 small sections.
Here's a list of the small crops that can be planted using this method:
- Beets (small varieties)
- Carrots
- Chives
- Onions (small varieties)
- Radishes (small varieties)
To sow seeds or place transplants, simply place them at the center of each small section.
9 Per
For those who like a more densely packed garden, the 9-per-square planting method is a great option. This technique involves growing nine plants per grid section, spaced four inches apart.
One of the easiest ways to set up a 9-per-square section is to divide the area into smaller squares using two vertical and two horizontal lines, spaced four inches apart. This will give you nine small sections to plant in.
Beans, beets, garlic, kohlrabi, leeks, onions, spinach, and turnips are all good candidates for 9-per-square plantings. Each of these plants can thrive in the close quarters, as long as they're given enough space to grow.
Here are some examples of plants that can be grown in a 9-per-square section:
- Beans (bush)
- Beets (large varieties)
- Garlic(small varieties)
- Kohlrabi (small varieties)
- Leeks
- Onions(large varieties)
- Spinach
- Turnips
To get the most out of your 9-per-square section, be sure to plant your veggies in the middle of each small section. This will give them the best chance to grow and thrive.
1-Per-9
If you're planning to grow large varieties of vegetables like beets, garlic, or onions, you'll want to consider a 9-per-square planting. Plant these crops nine per grid section, spaced four inches apart.
To divide up the section for nine plants, make two vertical and two horizontal lines, spaced four inches apart. Plant or sow your veggies in the middle of each small section.
Some of the best crops for 9-per-square plantings include beans, beets, garlic, kohlrabi, leeks, onions, spinach, and turnips. These can be grown together in a single square, making the most of your space.
Here's a quick rundown of the crops that thrive in 9-per-square plantings:
1-Per-4
For our 1-Per-4 garden plan, we're looking at planting squares that give each plant four square feet of space. This layout is perfect for bush tomatoes, which need a tomato trellis or cage support.
Bush tomatoes will thrive in this type of planting square, so make sure to place the transplant in the center of a group of four grid sections.
You can also use this layout for other plants that require a similar amount of space.
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Frequently Asked Questions
What is the formula for square foot gardening?
To calculate square foot gardening, divide 12 by your desired plant spacing in inches, then square the result. This formula helps determine how many plants can fit in a square foot based on their spacing.
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