A Tenner Against the Dark: Winter Salad From a Cold Frame
Photo: Alison Christine from North Yorkshire, UK, CC BY 2.0, via Wikimedia Commons
Here is a small winter wager: £10, no heated greenhouse, fresh leaves until March. Not a supermarket bag every day — a handful for a sandwich, a bowl for soup, a few leaves to make a winter meal feel less beige. In November 2026, with seed packets still on the rack and the light fading, it is a reasonable challenge.
The rules
The tenner covers seeds and protection only. It does not cover compost, pots, or a cold frame you already own. If you have to buy those, the challenge changes; use old windows, a clear plastic storage box, or hoops and fleece over a raised bed. No heated greenhouse, no grow lights, no cheating with a sunny windowsill unless that is genuinely all you have. The aim is to see what a cold frame and a tenner can do.
The shopping list
| Item | Cost |
|---|---|
| Hardy winter salad mix | £2.95 |
| Lamb's lettuce | £2.25 |
| Land cress | £2.20 |
| Fleece or small cloche | £2.60 |
| Total | £10.00 |
Prices vary, and seed packets often contain far more than you need. Share with a neighbour or split a packet. The point is not the exact varieties but the balance: something lettuce-like, something fleshy and cold-tolerant, something peppery, and something to keep the worst of the weather off.
The sowing plan
Sow in early November 2026, in modules or shallow trays in the cold frame. Germination will be slow. Use fresh seed and do not sow too thickly; damping off is the enemy in cool, damp conditions. A small pinch every 10 to 14 days until the end of November is plenty. After that, light levels fall too low for meaningful succession, so do not pretend a December sowing will behave like a September one.
The honest structure is two batches: one in the first week of November, one in the third. The first should give you leaves in January if the winter is kind. The second bridges the gap into February and March. Lamb's lettuce and land cress are the reliable bridges; winter lettuce is the treat.
Protection without heat
A cold frame is just a box with a clear lid. Orient it away from the worst wind, keep the glass or plastic clean, and vent it on mild days. Damp is more dangerous than cold for many winter salads. If you are using fleece, use it as a blanket rather than a sealed tent, and check underneath after rain.
In a hard freeze, add a second layer of fleece or an old blanket over the frame at night, then remove it in the morning. Do not let snow sit heavy on the lid. Slugs will still find a way in; mice may nibble seedlings. Netting or a trap may be needed. This is not a perfect system. It is a cheap one.
What you will actually eat
From a cold frame about 1m by 60cm, expect a modest harvest: perhaps 300–500g of leaves across the winter in an average year, more in a mild one, less in a hard freeze. The first cut may come in January. After that, cut-and-come-again leaves can be taken every two to three weeks if growth allows. Leave the growing point and do not strip plants bare.
This will not replace a weekly salad shop. It will give you small, genuinely useful harvests: a handful of lamb's lettuce with a baked potato, land cress in a cheese sandwich, a few winter leaves under a roast. The flavour of leaves grown slowly in cold conditions is often better than the watery bags from the supermarket.
Where it goes wrong
The likely failures are dull and predictable: damping off, botrytis under fleece, aphids finding a sheltered pocket, slugs, mice, frozen seedlings, and seedlings that stretch towards the light and never recover. The biggest mistake is sowing too much too late and expecting spring growth in December. The second biggest is covering everything so tightly that rot sets in.
If a batch fails, resow in late February rather than mourning it. The £10 challenge is not a test of virtue. It is a way to learn what your own cold frame can do.
The verdict
Is it worth it? Yes, if you value the ritual and the handful. No, if you want salad every day. The tenner is not a cheaper way to buy salad; it is a cheaper way to garden through winter. Start small, keep notes, and let the cold frame do what it can. By March 2027, you will know exactly what your plot, your budget and your patience can produce.