Planting a Long Season of Colour

Start with the bones: shrubs for year-round interest

In a small garden, every plant must earn its keep. Start with a few well-chosen shrubs. They give structure, provide a backdrop for fleeting flowers, and often bloom when little else is happening. Viburnum tinus flowers through the coldest months, while Skimmia offers red buds in winter, fragrant white flowers in spring and glossy berries in autumn. For sun, Hydrangea paniculata 'Limelight' delivers lime-green cones from midsummer that fade to pink and persist into autumn. Even in a courtyard, a compact Cotinus 'Grace' brings purple foliage and autumn colour. Choose two or three shrubs that peak at different times, and you have a framework that never looks bare.

Spring bulbs: small investments, big returns

Bulbs are the easiest way to start the season. Plant them in autumn, and they reward you for years with almost no effort. In small spaces, scatter them in drifts or layer them in pots. Snowdrops and crocus open the show in February, followed by daffodils and tulips in March and April. For containers, choose dwarf varieties like Narcissus 'Tête-à-Tête' or species tulips such as Tulipa turkestanica. Plant bulbs at three times their own depth, pointed end up, and space them about 5cm apart. In a pot, plant two layers: smaller bulbs on top, larger ones below. After flowering, let the leaves die back naturally — the energy returns to the bulb for next year. That is the secret to a repeat performance without replanting.

Perennials: the dependable middle of the year

Once spring has passed, perennials take over. Choose those that flower for months rather than weeks. Hardy geranium 'Rozanne' blooms from June to October in a haze of violet-blue. Salvia nemorosa 'Caradonna' sends up deep purple spires all summer, and Penstemon 'Andenken an Friedrich Hahn' keeps going until the first frosts. Verbena bonariensis adds airy height and attracts butterflies. For late summer and autumn, plant Rudbeckia, Helenium, Sedum 'Herbstfreude' and Japanese anemones. Grasses such as Stipa tenuissima add movement and extend interest into winter. Deadhead regularly, and cut back spent stems in early spring rather than autumn — seedheads feed birds and look beautiful in frost.

Late summer and autumn: keep the colour coming

Many gardeners treat autumn as an ending, but it can be a second beginning. Dahlias are tender, but in a pot they flower from July until the first frost; lift the tubers to store over winter. Chrysanthemums and Asters (now often called Symphyotrichum) bring rich purples and pinks when the light softens. Sedum 'Herbstfreude' turns from pink to rusty red, and its flat flower heads are a magnet for late bees. Shrubs also earn their place: Hydrangea flowers fade to parchment and russet, while Cotinus and Amelanchier give fiery foliage. In a small space, a single pot of Japanese anemone 'Honorine Jobert' can light up a shady corner from August to October. Plant for succession, not just a single peak.

The art of layering: plant one patch, enjoy three seasons

This is the heart of a low-maintenance, long-season garden. Instead of replanting every few months, plant in layers so different plants occupy the same space at different times. In a border or large container, start with bulbs. Plant daffodils or alliums deeply — around 15cm down. Then plant perennials directly over them. As the bulb foliage dies back in early summer, the perennials are waking up and will hide the yellowing leaves. A classic combination is alliums with hardy geranium and salvia: the alliums flower in late spring, then the geraniums and salvias carry on into autumn. In pots, use the lasagne method: bulbs at the bottom, spring bedding on top, and a summer perennial above that. Snowdrops under hellebores work beautifully in shade, while tulips under sedum give a spring-to-autumn sequence. You never need to dig everything up — just top-dress with compost each spring.

Small-space strategies: containers, balconies and courtyards

Small spaces demand clever choices. Use the largest pots you can accommodate — 40cm or more across — because they hold moisture and buffer temperature. Group pots together to create a microclimate and a bigger visual impact. Go vertical: wall-mounted troughs, hanging baskets and climbers like Clematis or jasmine draw the eye upwards and free up floor space. Choose compact shrubs such as Skimmia 'Rubella' or Daphne 'Eternal Fragrance' that offer more than one season of interest. Repeat the same few plants in several pots for a cohesive look, and move pots around to fill gaps as the season progresses. Water carefully — containers dry out fast — and feed with a balanced liquid feed every fortnight from spring to midsummer. A mulch of gravel or bark locks in moisture and keeps weeds down. With a little layering, even a balcony can bloom from February to November.