A Gardener's Guide to Growing Climbing Roses with Less Fuss
Eleanor AshfordThere is a particular kind of ambition that a climbing rose inspires, standing in a garden centre in late spring with its canes loosely tied and a single open bloom doing all the persuasion required. You imagine it across the front of the house, arching over the gate, spilling along the top of the fence in great cascades of scented flower. Then you get it home, plant it, and spend the next five years wondering why it keeps shooting straight up like a telegraph pole with pretensions.
The truth is that climbing roses are not especially difficult, but they do require the gardener to understand something about how they grow. Get that right and most varieties will reward you handsomely for very little annual effort. Get it wrong, which usually means planting and leaving, and you end up with a thicket of thorny stems at shoulder height, a few blooms at the very top, and a recurring sense of disappointment.
Climbers and Ramblers: Understanding the Difference
Before choosing a rose for a wall or fence, it is worth being clear on what you are actually buying. Climbing roses and rambling roses are often grouped together in garden centres, but they behave quite differently in practice.
Climbing roses typically repeat-flower through summer and into autumn, producing blooms on both new and older wood. They tend to be more upright in habit, better suited to walls, trellis, and obelisks, and more manageable in terms of size. Many of the most popular modern climbers, including 'Compassion', 'Climbing Iceberg', and the excellent 'Gertrude Jekyll' (technically a shrub rose trained as a climber), fall into this category.
Rambling roses, by contrast, flower once in summer, usually in a spectacular flush that lasts several weeks, and then spend the rest of the season producing the long, flexible new growth that will carry next year's flowers. They are generally larger, often considerably so, and more vigorous. 'Albertine', 'Veilchenblau', and 'Wedding Day' are classic examples. They are magnificent on a pergola, through a mature tree, or across a large outbuilding, but asking a rambler to behave on a small fence panel is an exercise in optimistic thinking.
For most UK home gardens, a repeat-flowering climber is the more practical choice and the rest of this article focuses accordingly.
Choosing the Right Variety for the Right Wall
A south-facing wall offers warmth and shelter, and on it almost any climbing rose will thrive. The more interesting question is what to grow on the walls and fences that face other directions, because this is where poor variety selection creates years of frustration.
For a north or east-facing aspect, the rose needs to be genuinely shade-tolerant. 'Climbing Iceberg', 'Madame Alfred Carrière', and 'Zéphirine Drouhin' are reliably good choices for cooler, shadier positions. 'Madame Alfred Carrière' is particularly useful: pale blush-white, richly scented, and almost thornless, which is a not-insignificant virtue when you are doing the annual tying in.
For walls in wetter or cooler parts of the country, disease resistance deserves more attention than it sometimes gets at the point of purchase. Black spot and rose dieback are more prevalent in wet summers and in gardens where airflow around the stems is restricted. The RHS Award of Garden Merit is a reasonable guide here: AGM climbing roses have been assessed for garden worthiness under UK conditions, and the list includes a number of varieties with solid resistance to common diseases.
If you garden on heavy clay soil, choose a planting position a foot or so from the base of the wall, not pressed hard against it, where the soil is often compacted and very dry. Improve the planting hole generously with well-rotted compost and, if drainage is particularly poor, a little grit worked in around the roots.
Horizontal Training: The Single Most Important Habit
Ask almost any experienced rose grower what they would do differently and a good number will say they would have trained the stems horizontally from the start. This is the principle, and it is not complicated: a rose stem growing straight upward concentrates flowering energy at the tip. A stem trained horizontally or at a shallow angle produces flowering laterals all along its length.
In practice, this means fixing horizontal wires to the wall or fence before you plant, spaced roughly thirty to forty-five centimetres apart, and then, as the main structural stems grow, guiding them outward and sideways rather than allowing them to simply follow the vertical. It requires a little patience in the first two or three years, while the framework is being established, but the difference in flowering it produces over the lifetime of the plant is substantial.
Use soft garden twine or proper rose ties for securing the stems. Wire ties or cable ties cut into the bark as the stem thickens and should be avoided. Loop the tie loosely, allowing a little movement, and check the fastenings each winter when you do the annual tidy.
The First Two Years: Leave It Largely Alone
This is where many gardeners go wrong. A newly planted climbing rose needs time to establish, and cutting back hard in the early years sets it back considerably. The temptation, particularly when the plant produces a handful of blooms in its first summer, is to treat it like a mature specimen. Resist it.
In the first winter, you are not pruning, you are tidying: removing any damaged or dead wood, shortening any stems that are visibly dying back, and making sure the main framework stems are properly secured to their supports. Nothing more is needed. A sharp pair of bypass secateurs makes clean cuts that heal quickly; a blunt blade tears the tissue and leaves the plant more susceptible to disease.
From the third year onward, the annual pruning routine becomes more purposeful.
Pruning and Tying In: The Annual Rhythm
For repeat-flowering climbers, the main structural pruning happens in late winter, typically February in most parts of the UK, before growth begins but when the worst of the cold has passed. The aim is to maintain the framework, remove exhausted older stems at the base, and shorten the flowering lateral shoots to two or three buds from their junction with the main stem.
Once the framework is established, it is also worth removing one or two of the oldest main stems entirely each year, cutting back to a low, healthy bud or a vigorous young shoot from the base. This keeps the plant producing new, productive wood rather than becoming increasingly congested.
A second, lighter tie-in and deadheading session through summer keeps repeat-flowering climbers producing well into autumn. Removing spent blooms promptly, cutting back to a strong outward-facing bud, encourages the next flush. If you want the plant to produce hips for wildlife interest in autumn, simply stop deadheading in late August.
Dealing with Common Problems
Black Spot
Black spot is the most common rose disease in UK gardens: dark spots on the leaves, followed by yellowing and early leaf drop. It is a fungal problem, encouraged by wet conditions and poor airflow, and the most effective management is cultural rather than chemical. Clear fallen leaves promptly, do not compost them, avoid watering over the foliage late in the day, and ensure stems are not growing into one another in a congested mass. Mulching around the base of the plant in spring, with well-rotted compost or bark, helps reduce splash-back infection from the soil.
Rose Dieback
Rose dieback appears as browning and shrivelling of shoot tips, often working its way down the stem. It can follow pruning cuts made in frosty weather or from disease entering through damaged wood. Always cut to just above a healthy, outward-facing bud and check that your secateurs are clean before moving between plants.
Blind Shoots
Blind shoots are stems that produce foliage but no flower bud. They are more common on climbers that are not yet well established, on stems that have been trained too vertically, or following a late frost that kills the developing bud. Pinching back a blind shoot to a pair of healthy leaves often prompts a new flowering shoot to develop.
Poor Flowering
If you have been growing a climbing rose for a few years and it has never really flowered well, the most likely explanations are insufficient light, stems that have never been trained horizontally, or pruning that has removed too much of the flowering wood. All three are correctable.
Now, while July is still offering you a view of what the plant is doing, is a good moment to assess the framework and note where new structural stems might usefully be trained before autumn. The stems are flexible and easier to guide now than they will be once the season's growth has hardened.