Start With the Space You Actually Have

A north-facing balcony is not the problem child of the garden world, though it often gets treated that way. What you have is a space that receives no direct sun, but plenty of bright, indirect daylight for most of the day, particularly in summer when the sun tracks high across the sky. The main issues are lower light levels in winter, cooler temperatures, and often more wind than a sheltered south-facing spot. If your balcony looks out over a road, a courtyard or a neighbouring wall, you may also be dealing with a slightly gloomy, enclosed feeling.

The good news is that shade is genuinely kinder to plants in one important way: compost dries out far more slowly, so watering is less of a treadmill than it is on a sun-baked balcony. Once you stop fighting the aspect and start working with it, a north-facing balcony can be lush, green and surprisingly restful.

Plants That Look Good, Not Just Grateful

Shade-tolerant planting has come a long way from a few tired ferns in a corner. These will all cope with the light levels on a typical north-facing balcony, and many will positively thrive:

• Ferns — hart's tongue fern (Asplenium scolopendrium) has glossy, strap-like fronds and looks smart in a simple pot. Japanese painted fern (Athyrium niponicum 'Pictum') brings silver and burgundy tones, while autumn fern (Dryopteris erythrosora) unfurls coppery new growth in spring.
• Hostas — 'Halcyon' has thick, blue-grey leaves that shrug off slugs better than most. Smaller varieties such as 'Blue Mouse Ears' suit a balcony beautifully.
• Ivy — common ivy is superb for trailing over a balustrade or tumbling from a wall planter. It is vigorous, so trim it two or three times a year to stop it creeping where you don't want it.
• Heuchera — grown for foliage in shades of caramel, plum, lime and near-black, and it holds its leaves through most winters.
• Hardy geraniums — Geranium macrorrhizum and G. phaeum flower happily in shade and knit together into good ground cover in a large trough.
• Shade-friendly herbs — mint, parsley, chives and wild rocket will all give you a modest crop.

If you want something architectural and evergreen, Fatsia japonica and Skimmia both cope well, and a small box or yew clipped into a ball gives structure when little else is looking its best.

Brighten the Gloom With Surfaces and Light

You cannot change the sun's path, but you can change how much of the available light your balcony bounces back. Pale surfaces are the single most effective trick available to you.

• Choose white, cream, pale grey or galvanised zinc pots rather than dark terracotta or black plastic. A row of pale containers lifts the whole space instantly.
• Add a mirror panel or a sheet of brushed metal fixed to a sheltered wall. It doubles the apparent depth of a narrow balcony and reflects daylight back into the planting. Position it so it doesn't bounce light into a neighbour's window.
• Top-dress pots with pale gravel or crushed shell instead of dark bark. This also helps deter slugs and slows water loss.
• Use a light-coloured floor covering — a pale woven mat or decking tiles in a washed finish — rather than dark rubber matting.
• Hang a string of warm-white LED lights or use a couple of solar or battery uplighters aimed at a fern or a pale wall. In winter, this matters more than any plant choice.

Watering, Wind and the Small Print

Shade reduces evaporation, but it does not remove the need for care. Check pots weekly with a finger pushed into the compost — if it feels dry two centimetres down, water thoroughly until it runs out of the base. Never leave pots standing in a saucer of water; in cool, shaded conditions, waterlogged roots rot quickly. Stand containers on feet or bricks to keep drainage holes clear.

Wind is the sneaky problem on many north-facing balconies. Use heavier pots where you can, group plants together so they shelter one another, and fix a reed or bamboo screen to a railing if the space is exposed. Fix any wall planters with proper brackets rated for the weight of wet compost. And bear in mind that leasehold and rental agreements often restrict what you can attach to walls or railings, so check before you drill.

Space-Saving Projects Worth the Effort

• Tiered shelving — a simple three-tier unit against a wall gives you three times the planting in the same footprint, and the upper shelves catch the best light.
• Railing troughs — narrow, bracket-mounted troughs along the top rail are ideal for ivy, trailing lamium or a row of heucheras.
• A vertical felt or fabric planter — good for ferns and smaller hostas, though it will need attentive watering.
• A slim bench with storage underneath — keeps secateurs, compost and a watering can out of sight and gives you somewhere to sit with a cup of tea.
• A small water feature — even a glazed bowl with a solar pump adds movement and reflects light. Empty and clean it regularly to avoid mosquitoes.

Year-Round Interest Without Much Fuss

Ferns, ivy and fatsia carry the balcony through winter, but a few extras keep it interesting. Add spring bulbs in pots — snowdrops, miniature daffodils and grape hyacinths all do well in shade — and underplant with winter hellebores. A small evergreen grass such as Luzula nivea holds texture when everything else is dormant.

Feed containers with a balanced liquid feed every fortnight from March to August, refresh the top few centimetres of compost each spring, and trim ivy back hard in early summer. Do those three things and a north-facing balcony becomes one of the most rewarding spots in the house — cool, green and quietly beautiful, even in February.