Making the Most of a Narrow North Facing Garden

Start by Reading the Light

North-facing does not mean gloomy, but it does mean different. Most north gardens receive bright, indirect light for much of the day, with perhaps a slice of direct sun in early morning or late evening during midsummer, depending on how the boundaries sit. What you lose is intensity and warmth. What you gain is a cool, moist, even environment that suits woodland plants far better than a baking south border ever could.

Spend a week watching where the light actually falls. Walls and fences catch and bounce light back into the plot, so the borders nearest them are often brighter than the middle of the garden. The end furthest from the house is usually the dimmest spot, which makes it the wrong place for a sun-loving shrub but the perfect home for ferns. Take a few photos at 10am, 2pm and 6pm so you can plan with evidence rather than guesswork.

If overhanging branches from your own trees are blocking light, this is the moment to thin them. You may cut back branches that overhang your boundary from a neighbour's tree, but only as far as the boundary line, and the cuttings technically belong to the tree's owner, so it is worth a polite conversation first.

Bounce Light Around With Mirrors and Pale Surfaces

The cheapest way to lift a narrow north garden is to reflect what light you have. A mirror mounted on a fence or wall does not create sunlight, but it does redistribute it, and in a tight space that can transform a gloomy corner.

• Use acrylic mirror sheet rather than glass where children, balls or dogs are about. It is lighter, safer and easier to fix with brackets and outdoor adhesive.
• Angle the mirror slightly downwards so it reflects the border and the sky rather than simply showing more fence.
• Never arrange mirrors in a curved or concave pattern. Concentrated reflected light can scorch plants and, in rare cases, cause a fire risk.
• Pale gravel, light-coloured paving and cream or pale glazed pots all lift light at ground level, where shade gardens need it most.

Paint is your other quiet weapon. Soft warm whites, pale stone, sage and willow green all work well on fence panels, shed walls and the back of a door. Avoid brilliant white, which can look cold and clinical in shade. And skip dark bark mulch on the shadiest border: it swallows light, whereas a light gravel or composted bark top-dressing in a paler tone gives it back.

Make the Shape Work Harder

A narrow plot laid out as a straight runway down the middle will always feel narrow. Break the line. Curve the path, or set stepping stones through planting so you walk between the borders rather than beside them. Widen the border at the far end and narrow it near the house; the eye reads the widening as depth and the garden feels longer than it is.

Give the far end a focal point, such as a large pot, a small container-grown acer or a pale-painted bench against a dark hedge. Then go vertical. Shelves of pots, tiered plant stands and wall-mounted planters use space that a narrow garden cannot spare at ground level. Horizontal slatted fencing is also worth considering: it lets a surprising amount of light through while still giving privacy, and climbers scramble up it happily.

Choose Plants That Enjoy the Cool

Shade-loving plants are not a compromise, they are the reward. Ferns and hostas will thrive here, and there is a generous range beyond them.

• Ferns: Dryopteris erythrosora for coppery new fronds, Polystichum setiferum for soft evergreen shuttlecocks, and hart's tongue fern for glossy, strap-shaped leaves that catch what light there is.
• Hostas: choose thick-leaved varieties such as 'Halcyon' and Hosta sieboldiana, which shrug off slug damage far better than thin-leaved types.
• Glossy foliage: Fatsia japonica, Skimmia, Bergenia and ivy all reflect light and keep the border looking alive through winter.
• Flowers and ground cover: Brunnera, epimedium, tiarella, pulmonaria, hardy geraniums and hellebores knit the border together.
• Spring interest: snowdrops, wood anemones and Cyclamen hederifolium will naturalise happily under shrubs.

Build in evergreens so the structure holds in January, and plant in generous drifts rather than single specimens. Repetition is what makes a small space look deliberate.

Let Containers Do the Heavy Lifting

In a tiny plot, pots are not an afterthought, they are extra border. Use a loam-based compost such as John Innes No 2 or 3 for anything permanent, as it holds moisture and structure far better than multipurpose alone. Add drainage material, raise pots onto feet, and mulch the surface with gravel, which conserves moisture and makes life harder for slugs.

Group pots together rather than scattering them; clustering creates the humid microclimate that ferns and hostas adore. Water in the morning rather than the evening where you can, keep an eye out for vine weevil in containers, and use biological slug nematodes in spring rather than pellets, which harm hedgehogs and birds. Copper tape around a pot rim is a decent barrier, and a torchlit evening patrol does more good than most gadgets.

Plant It for Wildlife Too

Damp, shady gardens are quietly brilliant for wildlife. Frogs, toads and newts love cool cover, and they eat slugs, so a log pile, a heap of leaf litter and a shallow sunken bowl of water will all earn their keep. Add a stone or a piece of wood as a ramp so anything that falls in can climb out.

For early nectar, plant hellebores, pulmonaria and snowdrops, then follow with foxgloves and hardy geraniums through summer. Ivy is one of the best wildlife plants in the country for both birds and insects, so let a patch climb. Fix a bird box on a north or east wall, which stays cooler than a sun-baked south-facing one, leave seedheads standing over winter, and let fallen leaves stay where they land. A little untidiness is not laziness; in a north-facing garden it is habitat.