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![Image of Clematis x cartmanii Avalanche ['Blaaval']](https://www.smgrowers.com/imagedb/ClematisAvalanche.jpg )
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| Category: Vine |
| Family: Ranunculaceae (Buttercups) |
| Origin: Garden Origin |
| Evergreen: Yes |
| Flower Color: White |
| Bloomtime: Spring |
| Synonyms: [Clematis x cartmanii 'Blaaval'] |
| Parentage: (C.paniculata x C.marmoraria) |
| Height: Climbing (Vine) |
| Exposure: Sun or Shade |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 10-15° F |
| May be Poisonous (More Info): Yes |
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Clematis x cartmanii 'Avalanche' (White Evergreen Clematis) - An evergreen Clematis with pure white single flowers with prominent yellow stamens in the center. The unique deeply-cut, leathery, green leaves, which are a very attractive feature when the plant is in full bloom, are nearly hidden by the profusion of flowers in early to mid spring. Flowers are borne on previous season's stems. Plant on a fence or trellis where stems can grow 12-15 feet with support ,or use as a groundcover. If used to trail over and down a slope, it can look like an avalanche of white flowers. Plant in full sun to light shade and water regularly spring through summer. Hardy to 10 to 15° F. A plant patent is applied for this plant. This is a selected seedling from a cross made at Blackthorn Nursery, England by renowned plantsman Robin White. The pollen parent was Clematis paniculata and the seed parent was Clematis marmoraria - both evergreen species from New Zealand. The name C. × cartmanii honors the respected botanist Joe Cartman who first produced this cross from C. paniculata and C. marmoraria. The original registered name for this plant is Clematis x cartmanii 'Blaaval'.
The information about Clematis x cartmanii Avalanche ['Blaaval'] displayed on this web page is based on our research conducted in the nursery's horticultural library and from reliable online resources. We also include observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments we receive from others and welcome hearing from anyone with additional information, particularly if they can share cultural information that would aid others in growing this plant. |
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