Everything you grow depends on what is underneath it. Get the soil right and seeds germinate strongly, roots run deep, and plants shrug off pests and dry spells. The good news: almost any soil can be improved, and it does not take much. Here is how to prepare and feed your soil before you sow or plant.
- Loose roots and water move freely
- Rich plenty of organic matter
- Draining moist but never waterlogged
- Alive full of worms and microbes
Know your soil type
Grab a handful of moist soil and squeeze. Gritty and falls apart? Sandy — it drains fast, dries out, and needs organic matter to hold moisture. Sticky and holds its shape? Clay — rich but heavy and slow to drain, and needs organic matter to open it up. Soft and crumbly, holding together loosely? Loam — the ideal, and still improved by compost. The fix for almost every soil is the same: add organic matter.
Improve any soil with organic matter
Well-rotted compost, leaf mould or manure is the single best thing you can add. Spread 3–5 cm over the surface and either fork it lightly into the top layer or let the worms pull it down. It feeds the soil life, improves structure, helps sandy soil hold water and helps clay drain. Repeat every season and your soil gets better year on year.
Prepare a bed for sowing
- Clear weeds & debris
- Loosen the top layer
- Add compost 3–5 cm
- Rake level fine surface
- Firm gently good contact
- Water before sowing
For a fine seedbed, break up lumps and rake the surface level — small seeds need good contact with the soil. Avoid digging when the ground is soaking wet or frozen, and try not to walk on prepared beds, which compacts them. For exactly when to sow into your new bed, see the sowing calendars.
Feed the soil, not just the plant
Healthy soil releases nutrients slowly all season. Top it up with compost and, for hungry crops, a balanced organic feed. A mulch on top keeps moisture in and weeds down while it slowly breaks down into the soil. Prefer a chemical-free approach? Build your beds around organic seeds and inputs.
Common mistakes
- Digging wet or frozen soil — it ruins the structure.
- Skipping organic matter — soil gets tired and hungry.
- Walking on prepared beds — compaction stops roots and drainage.
- Using garden soil in seed trays — start seeds in fresh seed compost instead.
Frequently asked questions
Do I need to dig my soil every year?
No — many gardeners get great results with 'no dig', simply adding compost on top and letting the worms do the work.
How do I know if my soil drains well?
Dig a hole, fill it with water and watch: if it sits for hours, improve drainage with organic matter and raised beds.
Can I improve poor soil quickly?
Add compost now for an immediate boost, but the biggest gains come from topping up every season.
What about containers?
Use fresh potting compost, not garden soil — it stays open and free-draining in pots.
Get the soil right, then browse all seeds.
