How to Start a Vegetable Garden From Scratch: Costs, Layout and First-Year Yields

Most first gardens fail for three reasons: too little sun, too much space, and no plan for watering. Fix those three and the rest is learning which crops you like to grow. Starting small matters most. A 10-by-10-foot plot you keep weeded and watered will out-produce a 400-square-foot plot you abandon in July.

Pick the spot

Fruiting crops like tomatoes, peppers, squash and beans need at least 6 hours of direct sun, and 8 is better. Lettuce, spinach, kale and herbs like parsley get by on 4 to 6. Watch the spot through a sunny day before you build anything, noting when shade from the house, trees and fences moves across it. Then check three more things:

• A hose reaches it. If you have to carry water, you’ll water less often than the plants need.
• It drains. Avoid low spots where puddles sit after rain.
• It’s close to the house, where you’ll see it daily and notice pests early.

Raised beds, in-ground or containers

For an in-ground bed, kill the grass by covering it with cardboard and 3 to 4 inches of compost and mulch in fall, or dig it out in spring. Work an inch or two of compost into the top few inches of soil.

For raised beds, a 4-by-8-foot frame 10 to 12 inches tall costs $60 to $200 as a galvanized steel kit or untreated cedar, or $40 to $60 in untreated pine that lasts about five years. Filling is where the money goes. One bed holds about 30 cubic feet: at $6 to $9 per cubic foot in bags, that’s $180 to $270 per bed. A cubic yard of garden soil and compost mix delivered in bulk costs $40 to $70 plus delivery and fills most of one bed. Avoid old railroad ties and wood treated before 2004, which may contain arsenic.

For containers, use pots of at least 5 gallons for tomatoes, peppers and squash. Fabric grow bags cost $3 to $8 each. Fill with potting mix, never garden soil, which packs down in a pot.

Test the soil first

Your county Cooperative Extension office, run by the state university, tests soil for $10 to $40. You get pH and nutrient levels plus specific advice on how much lime or fertilizer to add, which stops you buying products you don’t need. If your house was built before 1978 or you’re in an older city neighborhood, ask for a lead test too. Old exterior paint and decades of traffic left lead in many urban yards. If levels are high, grow in raised beds with imported soil and keep beds away from the house walls.

1. 1

   Collect samples 20 min · free

   Dig 6 inches down in 8 to 10 spots across the bed and mix a slice from each in a clean bucket.

2. 2

   Send it off 10 min · $10–$40

   Dry the mix, bag about a cup, and mail it with the extension form. Mention you’re growing vegetables.

3. 3

   Read the report 15 min · free

   Most vegetables like pH 6.0 to 7.0. Follow the lime and fertilizer amounts given; skip anything it says is already high.

4. 4

   Add compost 1 hour · $20–$60

   An inch or two of compost each year improves almost any soil, sandy or clay.

What to plant first

Pick crops that grow fast, forgive mistakes and that you already buy. Buying transplants of tomatoes and peppers the first year saves a lot of frustration; sow the rest from seed.

• Cherry tomatoes: productive and less prone to cracking and disease than big slicers. Two or three plants are plenty.
• Zucchini or summer squash: one or two plants feed a family. More than that and you’ll be giving it away.
• Bush beans: sow from seed after the last frost. Pick often and they keep producing.
• Lettuce and other salad greens: cut leaves as needed, and resow every few weeks in spring and fall.
• Herbs: basil, parsley and chives cost $2 to $3 per small pack at the store and grow vigorously.
• Radishes: ready in four weeks, which helps when you’re impatient.

Skip corn, melons, cauliflower and celery for now. They need more space, more care or a longer season than most first gardens offer.

Watering

Vegetables need about an inch of water a week, from rain or from you, and more in hot, dry spells. For a 64-square-foot garden, an inch is about 40 gallons. Water the soil, not the leaves, in the morning, and water deeply two or three times a week rather than a little every day so roots grow down. A soaker hose on a $25 timer does this for you. Spread straw or shredded leaves 2 inches deep once the soil warms to hold moisture in. Containers dry out much faster and may need water daily in July.

What a first year realistically produces

First-year gardens usually produce less than the seed packets promise, because soil is still improving and you’re still learning timing. As a rough guide, a well-tended 64- to 100-square-foot garden might give 40 to 100 pounds of produce in its first season. At 2026 grocery prices of $2 to $5 a pound, that’s roughly $100 to $400, with herbs and salad greens, which are expensive per pound in stores, pulling the value up.