How to Prepare a Kitchen Garden

How to Prepare a Kitchen Garden

ByKen

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How to prepare a kitchen garden starts with the site, meaning a bed close enough to the kitchen that you pick from it every day. Rutgers names that closeness as one of the location issues to weigh, alongside water and tools. The guides in this article agree on the order of the work: choose the spot, check the soil, clear the sod, add compost and check drainage before anything goes in the ground. The steps below explain the reasons for each one and the timing that goes with it.

Quick answer

  • Pick a sunny spot near the house, the water supply and your tools.
  • Keep the bed away from the walls of an older house, and test the soil at least six months before planting.
  • Remove the grass and existing vegetation, then work compost into the top layer at least a month before planting.
  • Check drainage, and use raised beds or containers if the site stays wet or the topsoil is thin.

Choose a spot close to the kitchen

Location decides how often the garden gets visited, and that decides how well it is kept. The Delaware guide says: “The garden should be convenient to the house, water and tools.” Rutgers gives the same idea in more detail: “Some other location issues are ease of access to water for irrigation, tools to maintain your vegetable garden, and proximity to your kitchen to quickly prepare or store your harvest.” A kitchen garden that is hard to reach gets less weeding and less picking, so the walk from the back door belongs in the site test.

Sun comes next. The UNH guide keeps the rule short: “Choose a sunny spot.” Rutgers is more specific about the whole site: “Choose a site with full sun, good drainage and no standing water, even after the heaviest rain.” A spot that meets the sun test but collects water after storms is still a poor choice, so check both before you mark the bed.

Shade is the other half of the sun test. The Delaware guide keeps it simple: “For maximum sunlight, locate the garden away from trees and buildings.” The Wisconsin guide adds a check you can make before you dig: “Watch a potential garden site throughout the growing season to make sure that trees or buildings do not shade the area from late morning through the afternoon.” A house wall that casts shade across the bed in the afternoon can cancel the benefit of a spot close to the kitchen door. The Delaware guide also accepts that a city plot is often fixed: “Urban gardeners have little choice as to garden location, but rural gardeners should give careful consideration to these important points:” For a fixed plot, the same checks still apply to the spot you have.

Keep clear of the walls of an older house

Distance from the house matters as well as nearness. The UNH guide advises: “Avoid the perimeter of old houses.” It gives the reason in the next sentence: “Any house built prior to 1978 is likely to have been painted with lead paint that has subsequently chipped and fallen onto the soil around the house.” The same guide adds that lead levels in the soil “may be high enough that growing edible produce is not recommended.” If the house is older, place the bed away from its walls and do not plant food crops until the soil has been tested.

The UNH guide also gives a plain instruction for doubt: “If in doubt, test your soil – standard soil tests screen for lead levels, and alert you if the lead levels may pose a concern.” A standard soil test is therefore a sensible first step even for a bed that is not next to the house, because the test reports what the bed actually contains.

Test the soil six months ahead

The soil test is the step most likely to change the plan. UNH says: “We recommend that gardeners test their soil at least six months before planting to determine the amount of lime needed.” The Wisconsin guide describes what a certified lab report contains: “A soil test will provide information on the type of soil, the soil pH, the amount of organic matter, and the levels of phosphorous and potassium.” It also notes that a good lab gives specific recommendations for adjusting the soil, so ask for them on the report.

The pH targets differ slightly between guides. The UNH page says: “Vegetable crops grow best in soils with a pH of 6.5-6.8.” The Wisconsin guide puts the optimum at around 6.5, and says most vegetables will grow well over a wider range. Use the lab’s target for your soil rather than one number from a web page. The Oklahoma guide adds a retest habit: “Sample soil and have it tested every three to four years.”

Clear the sod and vegetation

Grass is the main obstacle in most new kitchen gardens. The Wisconsin guide says: “Remove any existing vegetation from your garden site (particularly grass).” It also says: “Ideally, start preparing your garden site the year before planting.” UNH makes the same point about timing: “Ideally, it is best to start this process the summer before you want to plant the garden, because it takes time to kill the grass and weeds.”

UNH describes two physical methods, tillage and mulching. For tillage, the guide says: “Plan to till at least three times, once every 2-3 weeks, to fully prepare this soil.” For mulching, it says: “A layer of organic mulch needs to be relatively thick (at least 4 inches) to prevent light from accessing the ground below.” Before the mulch comes off, the same guide says to make sure the sod underneath “has been completely killed.” Treat that as a check, not a guess, because a bed that still has live sod will grow the grass back into the rows.

The mulch itself needs thought. UNH says: “The best mulching materials are ones that you have on-hand in large quantities.” It lists examples: “Lawn clippings, straw, leaves, pine needles, and wood chips all make excellent mulches.” Once the grass is dead, the guide explains the next choice: “Once the mulch has done the job, it can be left in place, with plants planted through it to reach the soil below, or it can be removed.” The tillage advice carries a warning worth keeping in mind: “Tilling the ground a single time is a good start to the process of killing grasses, but they are still alive and will re-grow.”

Choose ground or a raised frame

The UNH guide describes the frame option this way: “Raised-bed gardens use elevated frames that define a small, manageable space for the garden.” It also states the trade-off: “While they involve more up-front labor and expense, they work well when the existing soil is not suitable for gardening.” A frame is therefore a response to the soil you have, not a default. Test the ground first, then decide whether a frame or the native soil is the better base for the bed.

Add compost and check drainage

Once the sod is gone, the soil needs structure. The Wisconsin guide says: “Adding compost can improve the structure and fertility of most garden soils.” It gives a depth and a timing: “Work a two to three inch layer of compost into the soil with a rototiller or shovel at least a month prior to planting.” The effect differs by soil type. “Compost helps sandy soils hold more moisture and nutrients, and it makes clay soils lighter and better drained.”

Drainage is the last check before planting. The Delaware guide says: “Soil should be well drained and the best available.” The Oklahoma guide suggests raised beds or container gardening when the site drains poorly, or when the topsoil is thin or holds too much sand or clay. If you choose raised beds, see the best way to fill raised beds for guidance on what goes into the frame.

Plan the water from the start

UNH sets a rough watering target: “As a general rule, most vegetable crops grow best if they receive about an inch of rainfall per week through the growing season.” It adds: “In a season with regular rainfall, supplemental irrigation may not be necessary except when first transplanting young plants into the garden.” The same page warns that in a dry year, access to irrigation may be needed, so the hose route belongs on the same plan as the compost.

Once the bed is set, measure how much soil it holds before you buy amendments. For the volume question, see how much soil a raised bed garden needs.

Plan for wildlife before planting

Wildlife is a planning question too, and Rutgers covers it in one line: “If deer or other wildlife are in the area you might also need to consider fencing to keep them from damaging your crops.” The sentence says might, so the source does not treat fencing as a requirement for every site. Walk the site at a few different times of day to see what visits it, then decide whether a fence or a closer bed is the answer. The Rutgers guide does not say which option works best for a given animal, so ask your county extension office before you buy materials.

Put the work in order

  • Start the grass removal early, ideally the season before planting, and keep the tilling or mulching going until the sod is dead.
  • At least six months before planting, send a soil sample to a lab and ask for recommendations.
  • At least a month before planting, work two to three inches of compost into the top layer.
  • Just before planting, check the drainage after a heavy rain and confirm the water supply can reach every row.

How we chose

We chose the steps that the pages we read on 2026-10-22 describe in plain words, and that more than one extension page supports. The lead warning comes from the UNH page alone, so it is presented as a safety check rather than as a general rule for every yard. Timing figures come from the UNH and Wisconsin pages. The drainage points come from the Delaware, Rutgers and Oklahoma pages. We left out pages that returned HTTP 403.

What we could not verify

The pages we read do not cover every kitchen garden, and some of the gaps matter for a real bed. The subsection below lists them.

What the sources do not say

  • The sources do not give a distance from the house for a kitchen garden. The UNH guide says to avoid the perimeter of older houses, but it does not say how far away the bed should sit.
  • The pH targets differ slightly between the UNH and Wisconsin pages, and the sources do not say which target a given soil should reach.
  • The sources do not say how to test a home bed for lead beyond the advice to test when in doubt.
  • The sources do not give a watering schedule for a bed of any particular size.

Frequently asked questions

Can a kitchen garden sit next to the house?

Close, yes, but not against the walls of an older house. UNH says to avoid the perimeter of houses built before 1978, because chipped paint can leave lead in the soil. The Delaware guide wants the garden convenient to the house, so the sources point toward a bed that is close to the house but away from its perimeter.

How long before planting should you test the soil?

UNH recommends testing at least six months before planting, which gives time to apply lime if the lab asks for it. The Oklahoma guide suggests sampling every three to four years after that, so a test in one season does not replace a test in the next.

Do you need compost if the soil looks fine?

A soil that looks fine can still lack structure or nutrients, and the Wisconsin guide notes that adding compost can improve the structure and fertility of most garden soils. A lab report shows the organic matter level, so check that number before you decide how much compost to add.

What should you do if the spot stays wet after rain?

Rutgers asks for no standing water even after the heaviest rain. If the site fails that test, the Oklahoma guide points to raised beds or container gardening as the better option, and the sources do not give a specific fix for a low corner that floods.

How much water does a new kitchen garden need?

UNH gives a rule of thumb of about an inch of rainfall per week through the growing season. When regular rain falls, supplemental watering may not be needed, except when young transplants first go into the bed. In a dry year, the same guide says, access to irrigation may be needed.

Sources

  • https://extension.unh.edu/resource/preparing-vegetable-garden-site (opened 2026-10-22)
  • https://hort.extension.wisc.edu/articles/beginning-vegetable-garden-basics-site-selection-and-soil-preparation/ (opened 2026-10-22)
  • https://njaes.rutgers.edu/FS129 (opened 2026-10-22)
  • https://udel.edu/academics/colleges/canr/cooperative-extension/fact-sheets/planning-a-vegetable-garden (opened 2026-10-22)
  • https://extension.okstate.edu:443/fact-sheets/print-publications/hla/oklahoma-garden-planning-guide-hla-6004-a.pdf (opened 2026-10-22)

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