Climbing Hydrangea

Hydrangea anomala 'Petiolaris' commonly known as Climbing Hydrangea, is a beautiful woody vine that produces attractive, lacecap-like flowers and can be grown as a climber or ground cover.

To ensure the health and beauty of this plant throughout the year, it's important to provide seasonal care tailored to its specific needs. This guide explains how to care for Hydrangea anomala 'Petiolaris' throughout the seasons.

Spring

Pruning and Maintenance

In early spring, inspect your climbing hydrangea for any dead, damaged, or diseased branches and prune these away using clean, sharp secateurs.This will encourage healthy new growth and help maintain the plant’s overall

If you’re training the plant to climb a wall or trellis, gently guide the stems and secure them to the support using soft ties or twine. This will help establish the desired shape and direction of growth.

Feed

As new growth begins, apply a balanced, slow-release fertiliser. Use a granular fertiliser formulated for woody plants and apply it according to the product instructions to support healthy growth and flowering

Watering

Ensure the soil stays consistently moist but not waterlogged. Spring is a crucial period for the development of new shoots and flower buds. Water deeply, especially if the weather is dry, to encourage a healthy growing season.

Summer

Pruning and Maintenance (if needed)

While major pruning is typically done in spring, you can lightly prune and shape the plant during early summer if it's growing too vigorously or has strayed from its support structure.

Mulching

Apply a 2 to 3-inch layer of organic mulch around the base of the plant to retain soil moisture, regulate temperature and suppress weeds. This is especially important in hot and dry summer conditions.

Watering

In the warmer months, continue to provide regular and consistent watering. Hydrangeas thrive when the soil is kept evenly moist. Be vigilant about dry spells, as they can lead to water stress and affect flowering.

Autumn

Pruning and Maintenance

As the growing season comes to an end, trim away any remaining dead, damaged, or overgrown branches. This not only maintains the plant's appearance but also helps improve air circulation and reduce the risk of diseases.

Protection from frost

While climbing hydrangea is generally frost-hardy, providing some extra protection, such as a layer of mulch, can be helpful during severe frosts, especially for young plants or those in exposed positions.

Winter

Pest and disease prevention

While pests and diseases are less active in winter, monitor your Climbing Hydrangea for any signs of issues and address them promptly. Ensure there are no signs of mould or rot in the branches, as these can be common issues during wet winters

Plant SOS

Wilting leaves – A sign of dry soil during establishment. Water regularly until well established.

Few or no flowers – A sign of too much shade or immaturity. Be patient and provide light shade.

Yellowing leaves – A sign of poor drainage or nutrient deficiency. Improve drainage and feed lightly.

Slow or weak growth – A sign of early establishment. Allow time and keep soil moist.

Distorted or sticky leaves – A sign of aphids. Remove with water spray or apply insecticidal soap.

Small holes in leaves – A sign of slugs and snails. Use a deterrent such as Slug & Snail Repellent or Slug & Snail Control.