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Clematis 'Allanah'

Clematis 'Allanah' is a striking deciduous climber valued for its large, richly coloured flowers and vigorous climbing habit. The bold blooms create an impressive display through the warmer months and stand out beautifully against the fresh green foliage. Clematis 'Allanah' is well suited to New Zealand gardens and is ideal for training over trellises, fences, arches, pergolas, and other supportive structures. It performs best with its foliage in good light while the root zone remains cool and moist. With regular watering, suitable support, and seasonal pruning, this attractive climber provides excellent vertical colour without occupying much ground space.

Clematis Allanah dark pink flower.

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Suited to regions:All regions
Plant type:Climbers
Height:3.00 m
Spread:3.00 m
Flowering time:Summer, Autumn
Tolerances:Coastal
Garden uses:Arches, Containers, Living areas
Garden styles:Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Modern
Easy to grow?
Maintenance requirements
Growth rate
Also known as
Sku15735

How to grow Clematis 'Allanah' in NZ

Clematis 'Allanah' grows best in full sun to partial shade with fertile, moisture retentive, free draining soil. Position the plant so the stems and flowers receive good light while the root zone remains cool and shaded. Prepare the soil with compost before planting and provide a trellis, fence, arch, or other support for the stems to climb. Water regularly while the plant establishes and during prolonged dry periods. Apply a balanced garden fertiliser during spring to encourage healthy growth and flowering. Mulch around the base to conserve moisture and protect the roots, keeping mulch clear of the crown and lower stems.

Clematis 'Allanah' care tips

Clematis 'Allanah' benefits from regular watering, feeding, and pruning to maintain healthy growth and dependable flowering. Keep the root zone cool with mulch and provide deep watering during dry periods. Apply a balanced fertiliser in spring and again during active growth if required. Train new stems onto their support and secure them loosely to prevent damage. Prune in late winter or early spring by removing dead or weak growth and shortening remaining stems to healthy buds, as this cultivar flowers well on new season growth. Remove damaged foliage as needed and maintain good air movement around the plant to reduce the risk of disease.

Clematis 'Allanah' size, spacing, and growth rate

Clematis 'Allanah' is a vigorous climber that generally reaches around 2.5 to 4 m tall when provided with suitable support. Its spread can be managed through regular training and seasonal pruning, making it suitable for both smaller and larger garden structures. Growth is moderate to fast during spring and summer once the plant is established. Allow approximately 1 to 1.5 m between plants when growing several clematis along a fence or trellis so each has room to develop and receive adequate light and airflow. Regular pruning keeps the plant within the desired space while encouraging fresh flowering stems and a tidy, productive framework.

Landscaping uses for Clematis 'Allanah'

Clematis 'Allanah' is an excellent landscaping climber for adding bold flower colour and vertical interest to New Zealand gardens. Train it over an arch, pergola, trellis, fence, or obelisk where the large blooms can be displayed prominently. It can also be used to soften walls or climb through sturdy open framework when suitable support is provided. Its relatively small footprint makes it particularly useful where garden space is limited but height and seasonal colour are wanted. Clematis 'Allanah' works well near entranceways, patios, and outdoor living areas and can be combined with lower shrubs and groundcovers that help shade the root zone.

Why buy Clematis 'Allanah' from The Plant Company?

The Plant Company is NZ's most trusted plant nursery, supplying quality plants for gardens and landscaping projects throughout New Zealand. Our Clematis 'Allanah' plants are carefully grown and selected for health, vigour, and strong establishment. Strict quality standards and careful packing help ensure plants arrive in excellent condition and ready to grow. When you buy from The Plant Company, you can order online with confidence and benefit from expert growing advice, fast delivery, and free shipping on qualifying orders over $150.

Questions and Answers

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