Clematis 'Nelly Moser'

Clematis ‘Nelly Moser’: A Stunning Climbing Vine

Background and Family: Clematis ‘Nelly Moser’ is a deciduous perennial vine that belongs to the Ranunculaceae family of plants. It is part of the diverse genus Clematis, which includes over 300 species and numerous hybrids. The name “Clematis” is derived from the Greek word “klematis,” an old term used for climbing plants. This cultivar has been cherished by gardeners since its introduction in 1897.

Characteristics and Description: Clematis ‘Nelly Moser’ is a deciduous vine that exhibits a profusion of impressively large star-shaped flowers. These flowers can reach up to 8 inches (20 cm) in diameter. Each petal of the flower features a pale lilac color with a pink stripe, which may fade when exposed to strong sunlight. The reddish stamens add an additional touch of beauty. After blooming, ‘Nelly Moser’ produces attractive globular seedheads, enhancing its visual appeal.

Flowering Season: Clematis ‘Nelly Moser’ typically flowers in late spring or early summer. The first flush of blooms emerges from the previous year’s stems, while a second flush may occur later in the summer on the current year’s growth. To ensure optimal flower production, it is recommended to follow proper pruning practices.

Cultivation of Clematis ‘Nelly Moser’:

Sunlight: Clematis ‘Nelly Moser’ thrives when planted in locations that receive full sun to partial shade. It is advisable to provide some afternoon shade, particularly in hot and humid climates, to prevent stress and maintain vibrant blooms. Usually placing a rock or anything at the bottom of the plants keeps the roots cold in hot climates.

Watering: To keep Clematis ‘Nelly Moser’ healthy, regular watering is essential. The soil should be consistently moist but not waterlogged. Adequate moisture is particularly important during dry periods. Applying mulch around the base of the plant can help retain soil moisture.

Soil: This cultivar prefers fertile, well-drained soils. It is recommended to plant ‘Nelly Moser’ in a medium moisture soil that offers good drainage. Adding organic matter, such as compost, to the soil before planting can improve its fertility and drainage capabilities.

Pests and Diseases: Clematis ‘Nelly Moser’ can be susceptible to various pests and diseases. Common issues include aphids, caterpillars, earwigs, clematis wilt, powdery mildew, leaf spots, rust, viruses, and spider mites. Regular monitoring of the plant’s health and implementing appropriate pest and disease control measures, such as using insecticidal soap or organic fungicides, can help prevent and manage these problems.

Pruning: Clematis ‘Nelly Moser’ belongs to Group 2 in terms of pruning requirements. Pruning should be done in late winter or early spring before new growth begins. Remove any dead or weak stems, and prune back the remaining stems to a pair of healthy buds or a strong side shoot immediately below the blooms. Pruning after the first flush of flowers can encourage a second flush later in the season.


Clematis ‘Nelly Moser’ can be propagated through semi-hardwood cuttings or layering. To propagate through semi-hardwood cuttings, select healthy stems that have started to mature but are not fully woody. Plant the cuttings in a well-draining rooting medium. Layering involves bending a flexible stem of the vine to the ground, securing it in place, and allowing it to root before detaching it from the parent plant.

Toxicity: It is important to note that Clematis ‘Nelly Moser’ is toxic to dogs, cats, and horses. Care should be taken to keep pets and livestock away from the plant to avoid ingestion.

Clematis ‘Nelly Moser’ is a captivating climbing vine that adds a stunning presence to gardens and landscapes. Its large, delicately colored flowers, adaptability to different light conditions, and vigorous growth make it a popular choice among gardeners. With proper care and attention, this enchanting Clematis cultivar can thrive and provide a remarkable display of beauty year after year.

Clematis 'Nelly Moser'
Exotic looking flower of Clematis ‘Nelly Moser’
Clematis 'Nelly Moser'
Clematis ‘Nelly Moser’ at Kew Gardens, London, UK

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