'Summer Snow' is a large, vigorous climber which will need space in which to expand. It is happy planted in most aspects although, as with all clematis, it requires shade at its roots and prefers an alkaline to neutral soil.
The flowers, which are held in profusion from July through to the end of September, are white with anything from 4 to 6 petals, 4cm to 5cm across and carrying long stemmed cream coloured stamens which stand out prettily against the recurving petals. It requires no pruning after the first year and it self seeds readily.
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Great for your garden:
'Summer Snow' is an exceptionally vigorous climber that will happily cover a shed or an eyesore, clothe a wall or scramble over an arch or pergola. Best in full sun.
It is also very happy as ground cover and, after the first year's pruning, can be left to cover a large area of bare soil.
As it flowers in summer, from June through to September, it can be planted alongside another vigorous clematis such as one of the montanas, when the flowering season will be extended from early spring until early autumn. It does need space in which to expand and is not suitable for small gardens and, due to its similarity in flower to our native wild clematis, it looks exceptionally good as part of a 'wild garden' planting.
Look out for:
Summer Snow Clematis are relatively disease free.
Bred in 1964 by two Ukrainian professors from Clematis potaninii var. fargesii and Clematis vitalba. They dubbed it Clematis x fargesioides, and it was registered as such by the communist regime, and initially by Western nurseries as well. However, this new hybrid species name has since been disputed and gently rejected in favour of the cultivar name Clematis Paul Farges, after the French scientist (1844-1912), explorer and Catholic missionary to China, who collected thousands of plants there.
However, Paul Farges doesn't really have a ring to it, and in the mid-1990's Raymond Evison renamed it Summer Snow, an apt name that quickly caught on. It is not technically allowed under the Code of Nomenclature to change a cultivar name merely for sales purposes, so Summer Snow is a trade designation and therefore should be in capitals. Thus, the most official name is Clematis 'Paul Farges' SUMMER SNOW.
But we're old mates here, and just call him Paul.
Images supplied by Clematis on the Web.