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Clematis 'Ken Donson'

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

Clematis Ken Donson growing against a wall with blue flowers.

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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, Modern
Easy to grow?Yes
Maintenance requirementsSome
Growth rateMedium
Also known as
Sku15740

How to grow Clematis 'Ken Donson' in NZ

Clematis 'Ken Donson' 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 support 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 'Ken Donson' care tips

Clematis 'Ken Donson' benefits from regular watering, feeding, training, and seasonal 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. Remove dead, weak, or damaged stems in late winter or early spring and prune established growth according to the flowering framework you wish to maintain. Avoid allowing stems to become excessively tangled. Good airflow, reliable moisture, and regular training will help keep the plant vigorous and attractive.

Clematis 'Ken Donson' size, spacing, and growth rate

Clematis 'Ken Donson' is a moderate to 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 a range of garden structures. 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. Growth is strongest during spring and summer once the plant is established. Its climbing habit makes Clematis 'Ken Donson' especially useful where strong vertical flower colour is wanted without taking up significant ground space.

Landscaping uses for Clematis 'Ken Donson'

Clematis 'Ken Donson' 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 blooms can be displayed prominently. It is particularly effective near entranceways, patios, and outdoor living areas where the flowers can be appreciated at close range. Its relatively small footprint makes it useful in both compact and larger gardens. Clematis 'Ken Donson' also works well with lower shrubs and groundcovers that help shade the root zone while allowing the flowering stems to grow upward into good light.

Why buy Clematis 'Ken Donson' 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 'Ken Donson' 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

Have a question about Clematis 'Ken Donson'? We are here to help.

Hi, can you tell me the difference between the Ken Donson and the F J Young Clematis. Are they fast growers ? When do expect them to be in stock ? Thank you Viv Hill

Both are Hybrids and fast growing in the spring. Semi dormant in winter. Please go to the website and type in your email address in the notify me box for each species. If they become available you will receive a message. We will have very limited stocks coming and unknown varieties at this stage.

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