To plant vegetables in a garden, enrich the soil, set seeds or transplants at the right depth and spacing, water well, and finish with mulch.
New to growing your own food? This guide gives you a clean, no-nonsense route from empty bed to harvest. You’ll learn how to size the plot, improve soil, pick crops that match your climate, and set them out so they thrive. By the end, you’ll have a clear plan and the confidence to get plants in the ground the right way.
Plan Your Plot And Pick Crops
Great results start with a simple plan. Choose a spot with at least six hours of sun, steady access to water, and good air flow. Keep beds near the house so you’ll tend them often. Raised beds warm faster, drain well, and make spacing simple, but an in-ground row works fine if you loosen the soil and add plenty of organic matter.
Match crops to your local conditions and season length. Leafy greens and peas like cool weather; tomatoes and peppers need heat. Aim for a mix: quick wins (radishes, salad leaves), steady staples (beans, carrots), and a couple of crowd-pleasers (courgettes, cherry tomatoes). Stagger sowings every few weeks for a steady supply. For month-by-month windows and spacing, the RHS crop planner (PDF) is a clear calendar you can print and keep.
Soil Prep That Sets You Up For Success
Healthy soil is the engine of the plot. Clear weeds, then fork or broad-fork the bed to about a spade’s depth. Blend in well-rotted compost or manure to boost structure and hold moisture. On heavy clay, organic matter lightens the texture; on sandy soil, it helps water and nutrients stick around. Avoid working ground when it’s waterlogged to prevent compaction.
Level the surface and crumble big clods. Rake in a light, balanced fertiliser if your soil is poor. Keep walking paths firm and growing areas loose. Finish prep a week or two before planting so the bed settles and any weed seeds you’ve disturbed can sprout and be hoed off.
Quick Reference: When, Depth, Spacing
Use the chart below as a fast, practical overview. Always cross-check your seed packet, which may list a variety-specific tweak.
| Vegetable | When To Sow/Plant | Depth & Spacing |
|---|---|---|
| Peas | Early spring once soil drains | 2–3 cm deep; 5 cm apart; rows 45 cm |
| Lettuce | Spring to late summer | Surface to 0.5 cm; thin/plant 25–30 cm |
| Carrots | Spring after chill eases | 0.5–1 cm; thin to 5–8 cm; rows 30 cm |
| French Beans | Late spring after frost risk | 3–5 cm; 15–20 cm; rows 45 cm |
| Tomatoes (Transplants) | After frost; soil warm | Plant to first true leaves; 45–60 cm |
| Courgettes | Late spring to early summer | 2–3 cm (seed) or transplant; 90 cm |
| Onions (Sets) | Early spring | Tip just showing; 10 cm; rows 30 cm |
| Potatoes | Spring | 10 cm; 30 cm; rows 60–75 cm |
Plant Vegetables At Home: Step-By-Step
1) Check Frost Window And Soil Warmth
Cold snaps stop growth and can kill tender crops. Look up your local frost pattern and aim to sow cool-season veg before the last chill, while warm-season staples go in after it. Soil temperature matters too: seeds wake up once the ground is consistently mild. A cheap probe gives you a quick read near root depth. For a clear primer on frost risk, see the Met Office guide to forecasting frost.
2) Lay Out Beds, Rows, And Paths
Keep beds narrow enough that you never step on the soil where plants grow—about 75–120 cm wide is comfortable. Mark straight rows with a line, or plant in offset grids in raised beds to use space well. Leave solid paths for a wheelbarrow and watering can. Install stakes or mesh now for peas, beans, and tomatoes to avoid root damage later.
3) Sow Seeds At The Right Depth
Depth is the most common mistake. A handy rule: plant most seeds about two to three times their width. Tiny seed wants the barest cover; large seed needs a deeper set to stay moist. Firm gently so seed meets soil and water settles the surface. Label the row and the date—you’ll thank yourself in three weeks.
4) Transplant Without Shock
Shift seedlings once they have a couple of true leaves and roots hold the plug together. Water the tray, then slide plants out by the cell, not by the stem. Set them at the same depth they grew in (tomatoes are the exception; they can go deeper). Backfill, firm, and water to remove air pockets. Add a light shade or fleece for the first few days if sun or wind is harsh.
5) Handy Tools And Materials
Set yourself up with a short list that speeds every task: a sharp hand trowel, a long-handled hoe, a watering rose that gives a gentle shower, a soil thermometer, soft ties, bamboo canes, and a simple line for straight rows. Keep a bucket of compost near the bed for quick top-ups and a stack of old cardboard to smother any weedy edge before it spreads.
6) Water Smart From Day One
Newly sown rows and fresh transplants need steady moisture to establish. Water the soil, not the leaves, with a slow soak that reaches the roots. Early morning is best. As plants settle, water less often but more deeply, and mulch with compost or straw to keep moisture in. Raised beds may dry faster in dry spells; check with a finger test 5 cm down.
Spacing, Stakes, And Mulch That Pay Off
Good spacing gives airflow, limits disease, and makes picking easier. Stick to the packet’s gap for each crop, and thin crowded seedlings in stages. Use canes, twine, or netting for climbers and tall plants. Lay organic mulch once soil has warmed: it saves water, cools roots in heat, and blocks light to weed seeds. Keep mulch a small gap from stems to avoid rot.
Crop Rotation And Companion Choices
Moving plant families each season helps avoid soil-borne issues and evens out nutrient draw. A simple four-bed loop works: potatoes and friends; brassicas; roots and onions; legumes and salad. Mix in nectar-rich flowers at bed ends to pull in pollinators and beneficial insects. Marigolds, calendula, and nasturtiums are easy wins.
Pest-Smart Growing Without The Drama
Start clean and stay observant. Use barriers first: fleece against flea beetles, collars for cabbage stems, and netting with fine mesh to stop carrot fly. Encourage predators by keeping small flowering plants nearby and avoiding broad-spectrum sprays. Hand-pick slugs after dusk, set beer traps, or use iron phosphate baits where needed.
Water, Feeding, And Care Through The Season
Plants run best on even moisture. In dry runs, deep irrigation once or twice a week usually beats daily sprinkles. A thin top-up of compost or a balanced feed at planting, then again midseason for heavy feeders, keeps growth steady. Stop feeding leafy fertiliser once fruits set on tomatoes and peppers to avoid lush leaves at the cost of crops.
Priority Tasks By Stage
| Stage | Your Focus | Tips |
|---|---|---|
| Pre-plant | Weed, amend, plan | Set stakes early; map spacing |
| Establish | Even moisture | Row cover for chill and pests |
| Grow | Water deep; prune | Mulch to save water |
| Flower/Fruit | Steady feed | Tie in trusses; remove suckers on tomatoes |
| Harvest | Pick often | Cut in the cool of morning |
Simple Troubleshooting
Seeds Didn’t Sprout
Common causes: sowed too deep, soil dried out, or it was too cold. Try again shallower, water lightly each day until you see green, and wait for a warmer spell for warm-season crops.
Leggy Seedlings
They chased weak light or sat too close together. Give brighter light, brush a hand over them daily to toughen stems, and pot on so each has space.
Yellowing Leaves
Could be hunger or wet feet. Check drainage and soil moisture first. If roots look healthy, add a modest dose of balanced feed and watch for new growth to green up.
Sample Weekend Build: A 2 Metre By 1.2 Metre Bed
Here’s a tidy starter layout that feeds a small household through late spring to early autumn. Adjust varieties to your taste and climate.
What You’ll Plant
Row 1: loose-leaf lettuces in a grid, thinned for salads. Row 2: baby carrots with a scatter of radish as fast markers. Row 3: bush beans with a short pea trellis at one end for a spring sowing. Corners: four basil plants for scent and meals. One end: two cordon tomatoes with canes.
How You’ll Work It
Week 1: prep soil and set the pea trellis. Week 2: sow peas and carrots; tuck radish between the carrot lines; set lettuces. Week 4: add bush beans as the soil warms. After the last chill, set two tomato transplants. Mulch bare soil with compost and keep paths clear.
Harvest Keys That Boost Yield
Pick little and often. Leaf crops taste best young. Beans and courgettes pump out more when you harvest at a modest size. Leave a few carrots to size up while you pull baby ones for meals. Keep notes on dates, spacing that worked, and varieties you loved so each season gets easier.
Keep Notes And Iterate
Track sowing dates, harvest totals, pests seen, and what spacing felt roomy. Next season, repeat the wins and tweak the misses. A simple notebook turns into the best guide for your plot.