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The best winter flowering plants for a winter garden

16 January 2012 ( 04 November 2014 )

Just a few well-chosen plants – think winter flowers, stem colours, grasses, seed heads and structural interest – can transform your garden in winter, says garden designer Matthew Wilson.

Red Cornus Alba 'Dogwood' winter plant
Vivid Cornus Alba adds interesting colour and shape to winter gardens

Not many of us would place December, January or February at the zenith of the gardening calendar. But for gardeners in temperate countries, half the gardening year is spent going into, coming out of, or in the chilly teeth of winter, so it is sensible to make our gardens as interesting as possible for the season.

Visit our winter gardening section for more advice

Top plants for winter garden interest

Key things to look out for when choosing winter plants:

  • Interesting winter flowers
  • Bright stem colour
  • Bark with interesting colours and textures
  • Interesting seed heads in winter
  • Striking skeletal structures
  • Evergreen foliage

Best flowers for a winter garden

Winter flowers are often the most fragrant – the more scented the flowers, the better the chance of a visit from a helpful bumblebee or moth. Viburnum x bodnantense and its cultivars ‘Dawn’, ‘Deben’ and ‘Charles Lamont’ are popular, but get quite big unless pruned every other year, ideally, with around a third of the old wood removed. They have waxy, frost-resistant pink flowers and decent autumn colour, but are otherwise anonymous for the rest of the year.

Fragrant box bushes, Sarcococca confusa and S. humilis, are easier to fit in a smaller garden, in part because they remain manageable at around 1.5m (5ft) tall and across, but also because the evergreen foliage is genuinely handsome and the form quite compact, making them a viable alternative to topiary. And both give off a gorgeous scent from small, spidery, creamy-white flowers, which are followed by dark purple berries with a metallic sheen.

Best stems and bark for a winter garden

Stem and bark interest plants come to the fore in winter. Choose from the colourful-stemmed dogwoods – from bright red Cornus alba ‘Sibirica’ to greenish gold C. sericea ‘Flaviramea’ via the near black of C. alba ‘Kesselringii’ – to the bold-stemmed willows. Then there are acer, birch and cherry trees, which have beautiful bark. I’d single out Acer griseum and Prunus serrula, the former with shaggy, cinnamon-coloured bark and the latter with peeling, glossy mahogany bark.

Plants and flowers that die back beautifully

Most gardens will have plants that, in the words of Dutch designer Piet Oudolf, ‘die heroically’. These are perennials such as late-season flowering grasses and late-flowering plants.

Historically the autumn gardening calendar culminated with a great rush to cut down every plant to ground level, to ‘put the garden to bed’. This may result in a neat and tidy plot but it also removes anything of any aesthetic value; those ‘heroic’ plants that can grace the garden with subtle hues and skeletal interest right through winter if given the chance.

At Harlow Carr, the Royal Horticultural Society garden I curated for five years, I designed the main borders very much with this in mind. So while spring, summer and autumn colour were major considerations, I also looked for plants with interesting foliage, handsome seed heads or good skeletal structure.

Miscanthus are a backbone to the planting: these grasses look good from spring, when the foliage gets going, through to late summer with their plume-like flowers. Better still, they hold up to winter with handsome, straw-coloured foliage and faded cream flower heads. Miscanthus come in a range of shapes, sizes and colours, from the tiddly M. ‘Little Kitten’ at around 1m (3ft) tall to the beautiful monster that is M. ‘Goliath’. They are invaluable, providing you have a spot in full sun or part shade and moisture-retentive soil.

The North American prairie grass Panicum is another stalwart of the borders: it has light, airy flower heads with bead-like seeds that take on a jewelled quality when dusted with frost. Stipa brachytricha is another useful grass.

Panicum is compact at around 1.4m (4½ft) with feathery flower plumes that fade from metallic purple to almost white. Even the midsummer-flowering S. gigantea can add presence and interest. Though the airy, oat-like flower panicles may have long gone, the stems remain like golden wands.

Best backdrops for winter plants

The light foliage of grasses makes the perfect backdrop for plants with interesting winter seed heads. Perhaps the best of these are the border sedums such as Sedum ‘Matrona’ and ‘Herbstfreude’, which flower right into early winter and then grace the garden with fat, flat umbels of dark seeds that come to life when encrusted with frost.

Sedums were made for this moment; rigid enough to stand up to a battering and still perky even in the depths of the season. Echinacea seed heads are fascinating: the ray florets fall away to leave just the bristly central boss, which in frosty conditions can look as if it’s been rolled in icing sugar. Perhaps the biggest surprise is the longevity of interest of Iris sibirica hybrids. These are plants that finished flowering in May or early June, yet their seed heads still look interesting in December.

While my aim is always to try to let perennials stand until late February, the moment plants collapse under the battering of wind, rain or snow, I do intervene and have a tidy up – the object of the exercise is interest, not a mess!

Best plants for structural interest

The final group of plants for your winter border are those with structural interest. In summer, I suspect hardly anyone notices the tightly clipped Buxus cones in the main borders at Harlow Carr, but in winter they are vital, creating rhythm through the length of the beds and holding the whole planting together. Topiary shrubs of yew, box, Ligustrum and so on, can provide structural backbone to a garden, and a cloud-pruned evergreen shrub (where the foliage is topiary-pruned to form a series of cloud-shaped ‘pads’ on the stems) can become a real eye-catcher.

Rather more ephemeral are stands of Angelica gigas, which resemble cow parsley on steroids, and the native teasel, Dipsacus fullonum, whose great, bristly seed heads are much loved by finches. To these, you could add the white-silver foliaged Onopordum acanthium, a large thistle that spreads around the garden by seed, or the smaller but equally wayward Eryngium giganteum.

So, allow the plants that have given you joy through summer and autumn to continue to do so. Add a few winter-interest specimens and the result will sustain the soul until springtime rolls around.

Find out about caring for trees and shrubs in winter

Plants of interest to add colour and shape in winter

Cornus alba ‘Sibirica’

The red-barked dogwood thrives in a sunny spot

Cornus sericea ‘Flaviramea’

Add a goldish green to the garden with this deciduous shrub

Cornus alba ‘Kesselringii’

This purple-black dogwood will take to acidic and wet soil

Acer griseum

A hardy maple whose dark red bark peels away, to reveal orange bark beneath

Prunus serrula

Before it flowers in the spring, this Tibetan cherry boasts a striking copper-red bark


The opinions expressed are those of the author and are not held by Saga unless specifically stated. The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. You should not rely on this information to make (or refrain from making) any decisions. Always obtain independent, professional advice for your own particular situation.