The climbing hydrangea has aerial roots which can grab onto flat surfaces, helping the plant climb vertically upwards. If your soil needs improvement, mix in a generous amount of compost before planting. It bears 25cm diameter flattened heads of lacy flowers in the summer. The peeling brown mature bark is revealed after leaf fall in the autumn. Add water while refilling the planting hole to create a good soil seal around the roots. A few cultivars and hybrids are also available, though generally only from specialist nurseries. It will regrow, but it should not be pruned again for at least a couple of years. Thus it has the best of both worlds, making it a very attractive, floriferous, semi-evergreen climbing hydrangea that thrives in shade, and perfect for a north-facing wall. Climbing hydrangeas need a rich, moist soil that is well-drained. Plant climbing hydrangea in soil that drains well and contains plenty of compost. Always use sharp secateurs to make clean cuts and to avoid crushing the stems. Bend the tip of the shoot up and secure it with twine to the marker cane, so that it is growing upwards. Feed the plant in late winter or early spring, just before new leav… Climbing hydrangeas can also suffer from vine weevil, and the root balls of plants from garden centres should be checked for larval damage before buying. Prune away the majority of the plant, leaving just three to five 1 metre high stems. Climbers grown in sunnier locations will need greater attention to soil moisture, and a regular mulch to shade and cool the base of the plant and the roots is beneficial. Badly infested plants suffer a reduction in vigour as the insect sucks sap from the foliage and stems. Wipe the blades carefully with rubbing alcohol before trimming the plant to reduce the risk of introducing disease. If a flatter espalier that sits more tightly against the wall is desired, outward-facing side shoots can be pruned back to a pair of buds. ‘Semiola’ is a hybrid between Hydrangea seemanii and H. petiolaris. Climbing hydrangea plants do not generally need much feeding once established, especially if they are given regular dressings of organic compost as this will improve soil fertility as well as its structure and moisture-retaining capacity. It grows to 12m tall, and enjoys similar soil conditions and growing positions to Hydrangea anomala subsp. The plants are hardy in USDA plant hardiness zones 5 through 7. petiolaris ‘Silver Lining’. It will grow in any well-drained soil, and performs best in dappled shade. Apply a 3-inch layer of mulch to help retain water in the ground around the root zone and reduce weeds. If it is damaged and cannot be easily refastened to the supporting wall, it may be better to undertake a heavy restorative pruning. Climbing hydrangeas are easy to grow from softwood, semi-ripe or hardwood cuttings at any time between May and August, but the easiest and most successful propagation technique is layering. It differs from the species by having foliage with irregular golden-yellow edges and variegation that fades to a creamy white colour as the year progresses. Mon – Fri | 9am – 5pm, Join the RHS today and support our charity. The ideal spot to plant them is against sound masonry walls or on very sturdy trellises or fences that are expected to last for many years. Plant in a full sun (cooler areas) to partly shaded location on well-drained, … See beautiful Climbing Hydrangea varieties here! Fertilize again after … Newly planted specimens can be a little slow to get going and often make little growth in the first few years. 020 3176 5800 ‘Mirranda’ is a vigorous, deciduous climber, and can grow up to 18m tall in ideal conditions against a north-facing wall. How do I go about it? This article provides information on caring for this very useful and attractive climber. Grow climbing hydrangea plants purchased from a local garden center in spring and plant after all danger of frost has passed. While the climbing hydrangea is best suited to growing in a soil with moisture-retaining properties and good internal drainage, it is a relatively tough plant once established and it will survive in almost any type of garden soil, provided it is not waterlogged. However, once it has established a good root base, it will start to spread more rapidly, climbing up to heights of 15 metres or more, and it is generally fairly low-maintenance. It can also be grown as ground cover in a shaded woodland garden, where it will eventually grow over an area of 20 square metres. They will survive in all types of sunny and shady conditions, and many enthusiasts suggest that they have a preference for early morning sun and midday and afternoon partial or full shade. petiolaris, Red spider mites, vine weevils, Botrytis, hydrangea virus, mildew. There is a long north-facing wall that will be ideal for a climbing hydrangea, but I am not sure if it has any good wildlife qualities? Good ventilation and garden hygiene should keep any attacks by grey mould (Botrytis), powdery mildew or leaf spot in check. Back-fill the trench with soil and water well. Apply a 3-inch layer of mulch to help retain water in the ground around the root zone. On particularly poor, light sandy soils they may benefit from an annual feed in late winter or spring with a general purpose fertiliser, but too much feeding will produce leafy growth at the expense of flower buds. The flowers are produced on the previous year’s growth, so if it is pruned before flowering there will be no blooms for that year. If your soil needs improvement, dig in a generous amount of compost before planting. In turn they will help to keep your garden pests under control. About 30cm from the shoot tip, make a 2.5cm to 5cm incision along the stem, running through a leaf bud from which the leaf has been removed. Its preference is for a well-drained and light loamy or sandy soil, either neutral or slightly acidic, though it will tolerate mild alkalinity. Red spider mites and capsid bugs may also cause some minor damage to the plants, particularly if they are stressed in other ways. At this time the vine can be trimmed back to maintain it within its allocated wall space, to control its height or spread, or to prevent it from growing across windows, doors or gates. When it is clear that a good root system has formed, cut the stem to release the new plant from the parent, and transplant it into its final position. Hydrangea anomala subsp. When growing climbing hydrangeas against a wall, choose a northern or eastern exposure. Growing climbing hydrangeas is easy. This will require more watering, but will have the advantage of being easier to care for than a patch of open ground, and once the new plant has been severed from the parent, it can be grown on in the pot for a while until the roots are fully established. A mature plant that has not been supported properly can sometimes get blown down in the wind, especially if it has become spindly and top-heavy. Happily, climbing hydrangeas are great for wildlife. Simple layering works well for any shrubs or climbers with shoots that can be bent down to ground level. Sometimes known simply as Hydrangea petiolaris, this climbing hydrangea has been awarded the prestigious Award of Garden Merit by the Royal Horticultural Society for its qualities as a garden plant. The main quality of the climbing hydrangea in the garden is that it prefers the sort of shaded spot that can otherwise be difficult to plant. As its name suggests, ‘Silver Lining’ has silver-edged variegation to its greyish-green leaves. The plant should be watered weekly in its first summer in the garden, or more frequently in very dry weather, until it is established. For this minor pruning, no more than one third of the plant’s growth should be removed. Without additional support they can sometimes come away from the frame, so to avoid disasters later on in the life of the climber when it has become top heavy, it is advisable to use training wires and plant ties form the outset, and to add more as necessary as the plant grows. It has inherited the hardiness and free-flowering nature of H. petiolaris, and the evergreen habit of H. seemanii, with leaves that start out as a coppery colour and later turn light green with age. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. It is very much at home spreading across north-facing walls. Drag or carry the tarp with the climbing hydrangea on it to the new location. When choosing a wall to grow your climbing hydrangea vines, try to choose a wall with northern or eastern exposure.

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