When we were in Japan in 2008 with the International Clematis Society, I saw for the first time the beautiful Clematis 'Misayo' in a garden. The tepals were soft violet-blue and white, a good combination of colours for a flower.
C. 'Misayo' is a Japanese hybrid of 'Marie Boisselot' × 'The President'. This clematis was raised and published by Kootaroo Ishiwata' in 1967.
C. 'Misayo' belongs to the Early Large-Flowered group and is now available in Europe.
[Editor's note: I also have photos of this clematis but mine were taken at the clematis nursery of Kozo and Mikiko Sugimoto, Kasugai Garden Centre.]
This compact plant is usually not more than 2.5 metres tall. The special coloured flowers are 12-15 cm across and have the very pale purple white coloration of 'Marie Boisselot' with a bright violet margin around each sepal of 'The President'. The anther tips are deep red purple above white filaments. The 6-8 tepals are elliptic, overlapping and margin wavy.
The flowers appear in early spring on the previous year's growth. The plant grows well in a shaded position and it is under these conditions that you will get the best colours. Avoid a place in full sun.
The pruning group is 2 and if you hard prune in the beginning of spring you will loose most or all of the early blooms. Instead, prune this plant after flowering by cutting back the top one-third to one-half of some stems. Pruning keeps the plant in a good condition and form.
The special colour of the plant can be used very well with other garden plants and allows you to create beautiful flowering combinations. You can use the colour of the leaves or flowers of other garden plants in combination with C. 'Misayo'. If you use shrubs which have flowers late in the year with C. 'Misayo', you have 2 times flowering in the shrubs.
C. 'Misayo' is also very useful for container growing because the plant is not very large. You can place the plant against a wall, trellis or fence with or without other plants. In particular, combinations with roses are good because the colour is rather soft. This hybrid is hardy in zone 5 6 7 8. It needs good soil and during spring and summer, enough water and nutrition. Humus during the year keeps the soil in a better condition (this is true for many Clematis).
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