Why Mint Belongs in Every Small-Space Kitchen Garden

Mint is one of the most rewarding herbs for a UK home, whether you have a windowsill, a balcony, or a tiny courtyard. It grows quickly, smells wonderful when you brush past it, and provides a steady supply of leaves for teas, salads, and summer drinks. The one catch is that mint is a spreader. Left to its own devices in open ground, it will send out runners and pop up everywhere. The solution is simple: grow it in a pot. This suits small spaces: a single 30cm pot on a doorstep or windowsill gives handfuls of fresh leaves from spring to autumn.

Planting Mint in Pots: Getting the Basics Right

Choose a pot at least 30cm wide and deep, with drainage holes. Terracotta dries out faster than plastic, so water more often. Fill it with a good-quality multi-purpose compost, or a mix of two parts multi-purpose and one part John Innes No. 2 for a bit more weight and moisture retention. Plant one mint plant per pot; mint is vigorous and will quickly fill the space. If you want several varieties, keep them in separate pots to avoid one bullying the others.

Good varieties for UK gardens include spearmint (the classic for tea), peppermint (stronger, more menthol), and Moroccan mint (excellent for sweet tea). You can buy plants from garden centres or supermarkets, or take cuttings from a friend. Mint roots easily in a glass of water on a windowsill. Plant in spring or early summer, once the risk of hard frost has passed.

Caring for Your Mint Through the Seasons

Mint likes a sunny spot but will tolerate partial shade, especially in hot summers. Keep the compost moist but not waterlogged. In a UK summer, that often means watering every day or two, especially for pots on a sunny patio. A saucer under the pot helps retain moisture, but empty it after heavy rain so the roots do not sit in water. Feed with a liquid general-purpose fertiliser every two to three weeks from spring to late summer.

Watch out for mint rust, a common fungal disease that shows as orange-brown spots on the undersides of leaves. Remove affected leaves promptly, and avoid overhead watering. Slugs and snails may nibble young shoots; a copper tape around the pot rim can help. In autumn, cut the plant back to about 5cm above the compost. It will die back in winter, but the roots will survive in most UK gardens if the pot is sheltered. Move the pot to a sheltered spot for winter, and repot into fresh compost in spring if it has become congested.

Harvesting Mint for Fresh Tea and Cooking

Pick mint regularly to encourage bushy growth. Always harvest from the top, pinching out the growing tips just above a pair of leaves. This stops the plant from becoming leggy and gives you tender leaves for tea. You can start picking once the plant is about 15cm tall. A healthy pot can provide leaves from May to October, and sometimes longer if the weather stays mild.

For a single mug of fresh mint tea, use about 8–10 large leaves or a small handful. Rinse them if they are dusty. You can use them whole or tear them gently to release the oils. For cooking, mint pairs well with new potatoes, peas, lamb, and yogurt. Add chopped leaves at the last minute to preserve their flavour.

• Morning harvest is best: leaves are most aromatic before the sun gets too strong.
• Use within a day for the freshest taste, or refrigerate in a damp paper towel for up to three days.
• Never strip a plant bare — leave at least half the foliage so it can recover.

Brewing the Perfect Cup of Fresh Mint Tea

Making fresh mint tea is wonderfully simple. Put the leaves in a mug or a small teapot. Pour over hot water — just off the boil is ideal, about 90°C. If you do not have a thermometer, boil the kettle and let it stand for a minute. Steep for 5–7 minutes. The flavour will be light and soothing; longer steeping brings out more menthol, which some people find bitter. Strain and drink. For a touch of sweetness, add a little honey or a slice of lemon. Avoid boiling the leaves vigorously, as this can make the tea taste flat.

You can also make a refreshing iced mint tea. Brew a stronger batch, let it cool, then pour over ice with a squeeze of lime. It is far cheaper than shop-bought drinks and uses up a glut of leaves. For a digestive after dinner, try a blend of mint and fennel seed, or mint and a slice of fresh ginger.

Preserving Your Mint Harvest for Later

Mint is easy to preserve, so you can enjoy it beyond the growing season. The simplest method is freezing. Wash and dry the leaves, then freeze them in ice cube trays topped up with water. Drop a cube into a mug of hot water for instant tea, or add to soups and stews.

Drying works well too. Tie small bunches with string and hang them in a cool, dark, airy place for a week or two. Once crisp, crumble the leaves and store in an airtight jar away from light. Dried mint is more concentrated, so use about half the quantity of fresh. For a simple mint sugar, layer fresh leaves with caster sugar in a jar and leave for a few weeks. The sugar takes on a gentle mint flavour and is lovely in baking or stirred into hot drinks.