Garden Cost Calculator

This garden cost calculator adds up what it costs to build and plant a new garden. Enter the number of raised beds, the soil you need, compost, mulch, plants, seeds, a watering setup and basic supplies. Adjust any price to match what you pay locally. The calculator totals each category, gives the full first-year cost, and estimates what the garden will cost to run in later years, once the beds and tools are paid for.

How to use the garden cost calculator

1. Enter your beds. Set the number of raised beds and the cost of each frame. Enter 0 beds for an in-ground garden.
2. Enter soil and delivery. Use the raised bed soil calculator or the soil calculator to find cubic yards, then enter your supplier’s price and delivery fee.
3. Add compost and mulch. Enter bag counts and prices. The compost calculator and mulch calculator give you the counts.
4. Add plants and seeds. Count the transplants you plan to buy and the seed packets you need.
5. Add watering and supplies. Include a soaker hose or drip kit and the basic tools you do not already own.
6. Replace the default prices. The defaults are typical starting points. Your local prices will give a far more accurate total.

What the default estimate includes

The calculator opens with a common starter setup: two raised beds, about 2.5 cubic yards of bulk soil delivered, a few bags of compost and mulch, a dozen transplants, six seed packets, a simple watering setup and basic supplies. At the default prices, that comes to roughly $686 for the first year. The breakdown shows where the money goes:

Two things stand out. First, beds and soil account for nearly two-thirds of the first-year cost. Second, those are one-time costs. In later years, the garden mostly costs compost, mulch, plants, seeds and a few supplies, which the calculator estimates at around $180 a year at default prices.

The biggest cost drivers

Raised bed frames

Bed frames vary more in price than anything else in a garden. A simple DIY bed of untreated pine is the cheapest option but may need replacing within several years. Cedar and redwood last much longer but cost noticeably more. Galvanized steel kits are durable and quick to assemble, and their prices range widely by height and brand. Taller beds cost more twice over, because they need more material and much more soil. The raised bed cost calculator prices frames in more detail.

Soil

Soil is usually the second-largest cost, and the one most often underestimated. A single 4-by-8-foot bed 11 inches deep needs about 1.25 cubic yards with settling. Bulk soil sold by the cubic yard is usually much cheaper than bags once you need more than about a yard, but delivery fees can be significant for small orders. Compare both options by converting to price per cubic foot: divide the bulk price per yard by 27, and the bag price by the bag size.

Plants versus seeds

Transplants from a nursery cost far more per plant than seeds, but they save weeks of growing time and are the easiest way to grow crops that need a long head start, such as tomatoes and peppers. Seeds are dramatically cheaper per plant and offer more variety. A packet of lettuce or bean seeds can produce dozens of plants for the price of one or two transplants. Many gardeners buy a few transplants of slow crops and grow everything else from seed.

In-ground gardens cost much less

If you garden directly in the ground, set beds to 0 and replace the soil line with compost for amending your existing soil. An in-ground garden of the same size often costs a fraction of a raised bed garden in its first year, because there are no frames to buy and much less material to bring in. The tradeoff is more work preparing the soil, and dependence on the quality of the soil you already have.

For a new in-ground bed, the main costs are compost to improve the soil, mulch for paths and beds, and any fencing needed to keep out animals. A soil test from your local Cooperative Extension office is inexpensive and tells you exactly what amendments, if any, your soil needs, which can save money on unnecessary fertilizers.

Ways to cut garden costs

• Start smaller. One or two beds are cheaper to build, fill and maintain, and easier to keep productive while you learn.
• Buy soil in bulk. For more than about a yard, bulk soil is usually cheaper than bags, even with delivery. Split a delivery with a neighbor to share the fee.
• Use free materials. Arborists often give away wood chips for paths. Fall leaves make excellent mulch and compost. Many towns offer free or cheap municipal compost.
• Fill tall beds partly with filler. Logs, branches and leaves in the bottom of deep beds reduce the soil you need.
• Grow from seed. Starting your own transplants under a simple shop light pays for itself quickly.
• Make your own compost. Kitchen scraps and yard waste become free soil amendment within a season or two.
• Save seed. Open-pollinated varieties of beans, peas, tomatoes and many herbs produce seed you can save for next year.

Does a vegetable garden save money?

It can, but it depends on what you grow and how long you garden. The first year carries the setup costs, so most gardens pay off over several seasons rather than one. Crops that are expensive to buy and productive to grow give the best return. Salad greens, herbs, tomatoes, zucchini, beans and peppers are classic examples, because store prices are high and a few plants produce a lot. Crops that are cheap in stores and take a lot of space, such as potatoes, onions and dry corn, rarely save much money at home scale.

The vegetable garden cost calculator looks more closely at the season-by-season cost of a food garden. Beyond money, many gardeners value freshness, flavor, varieties not sold in stores and the time spent outdoors, which are hard to price but very real.

Budgeting for later years

Once beds are built and filled, yearly costs drop sharply. Typical recurring costs include:

• Compost: an inch or two each year to top up beds.
• Mulch: a top-up layer as last year’s breaks down.
• Plants and seeds: unless you save seed or start your own transplants.
• Replacement supplies: stakes, ties, row cover, fertilizer and the occasional tool.
• Water: usually modest for a small garden, and lower still with drip irrigation and mulch.

Wooden bed frames eventually need replacing, so it is worth setting aside a little each year if you used untreated pine.

Hidden costs to plan for

• Fencing: deer, rabbits and groundhogs can destroy a garden overnight. Fencing can cost more than the beds.
• Delivery minimums: some suppliers charge a minimum load or a flat fee that makes small bulk orders expensive.
• Trellises and cages: tomatoes, cucumbers and beans need supports.
• Season extension: row cover, cold frames or shade cloth extend the season but add cost.
• Weed barrier and hardware cloth: some gardeners line beds with hardware cloth to keep out burrowing animals.

Example garden budgets

To show how much setups differ, here are three example budgets worked out with the calculator’s default prices. Your local prices will change the totals, but the proportions are typical.

A 10 by 10 in-ground garden

No bed frames and no bulk soil. Instead, about 17 one-cubic-foot bags of compost to work 2 inches into 100 square feet, 8 bags of mulch, 8 transplants, 6 seed packets, a soaker hose and basic tools. At default prices that is roughly $136 for compost, $40 for mulch, $64 for plants and seeds, and $90 for watering and tools, about $330 in total.

Two 4 by 8 raised beds

This is the calculator’s default setup: two bed frames, about 2.5 cubic yards of delivered soil, compost, mulch, a dozen transplants, six seed packets, a simple watering setup and supplies. It comes to about $686, with beds and soil making up nearly two-thirds of the cost.

Four 4 by 8 raised beds

Four frames at $120 each, about 5 cubic yards of soil plus delivery, 8 bags of compost, 12 bags of mulch, 20 transplants, 10 seed packets, an $80 drip kit and $50 of supplies. That totals about $480 for frames, $325 for soil and delivery, $124 for compost and mulch, $140 for plants and seeds, and $130 for watering and tools, about $1,200 in all. Notice that doubling the beds less than doubles the total, because delivery and tools are shared.

Tracking what you actually spend

An estimate is most useful when you compare it with reality. Keep receipts in an envelope or a simple spreadsheet through the first season, grouped into the same categories the calculator uses. At the end of the season you will know exactly where the money went, which items were worth it, and what to budget next year. Many gardeners also note what each crop produced, which shows which crops repay their space and cost and which to drop.

When you plan the second year, set beds and soil to zero in the calculator, keep compost, mulch, plants, seeds and supplies, and you have your running budget.

Where to buy garden materials

Where you buy makes a large difference to the total. Big-box garden centers are convenient for bagged products, small quantities and seasonal sales, and they often discount soil and mulch heavily in spring promotions. Landscape supply yards sell soil, compost, mulch and stone in bulk by the cubic yard, usually at a much lower price per cubic foot, and most will deliver. Local nurseries tend to charge more for transplants than big-box stores, but they often carry a wider range of varieties suited to your region and give better advice.

For seeds, mail-order seed companies offer far more variety than store racks, and larger packets are much cheaper per seed for crops you sow in quantity. For lumber, compare prices for the exact board sizes you need, because 2×6, 2×8 and 2×12 boards are priced very differently, and cedar can cost several times as much as pine.

Spreading the cost over time

You do not have to build the whole garden in one season. Many gardeners start with one or two beds, then add another each year as budget and confidence allow. Buying tools gradually, starting your own transplants in the second year, and making compost from yard waste all lower costs over time. The first season teaches you what you actually use, so later spending goes further.

Frequently asked questions