Clematis 'Etoile Violette' is very free flowering and vigorous with deep purple flowers.

Clematis Evison ‘Cezanne’ is from the compact Boulevard series and grows to just 3-4 feet tall with lovely lavender-blue to mauve flowers.

Clematis Evison ‘Cezanne’ is from the compact Boulevard series and grows to just 3-4 feet tall with lovely lavender-blue to mauve flowers.

Clematis Evison Boulevard 'Edda' has large semi-double flowers of deep purple with red bars on 3-4 foot long vines.

Clematis Evison Boulevard 'Edda' has large semi-double flowers of deep purple with red bars on 3-4 foot long vines.

Clematis Evison ‘Elodi’ is extremely compact with stems to just 1-2 feet long and dusky pink flowers.

Clematis ‘Guiding Promise’ has rich grape purple flowers with hints of raspberry at the edges around purple anthers.

Clematis Evison 'Ines' is a short, repeat bloomer with large 3-5 inch wide single lavender flowers.

Clematis Evison ‘Juliane’ is from the Boulevard series and grows to just 3-4 feet tall with pure white flowers with burgundy stamens.

Clematis Evison ‘Liberation’ is a large, multi-flowering fuchsia and pink cultivar with yellow anthers.

Clematis Evison 'Lindsay' is a 6-8 foot tall, repeat-blooming vine with large 6-7 inch wide blue-purple flowers.

Clematis Evison ‘Ninon’ is from the compact Boulevard series and grows to just 4-5 feet tall with lovely pure white flowers with burgundy stamens.

Clematis Evison 'Nubia' has large, deep red blooms with red stripes and dark red anthers.

Clematis Evison 'Parisienne' has large 6 inch wide, single, mauve flowers with purple anthers on 3-4 foot tall vines.

Clematis Evison 'Parisienne' has large 6 inch wide, single, mauve flowers with purple anthers on 3-4 foot tall vines.

Clematis Evison 'Paulie' has large 4-6 inch wide single flowers of lavender-blue with red bars on 4-6 foot tall vines.

Clematis Evison 'Picardy' produces large, single flowers of red and purple with deep red bars on vines just 3-4 feet tall.

Clematis Evison ‘Pistachio’ is a prolific bloomer producing beautiful white flowers tinged with green from late spring through summer.

Clematis Evison 'Poseidon' is a short, repeat bloomer with 4-5 inch wide single flowers of pink and magenta.

Clematis Evison ‘Sally’ is a beautiful, free-flowering pink cultivar with deeper pink central bars.

Clematis Evison ‘Sally’ is a beautiful, free-flowering pink cultivar with deeper pink central bars.

Clematis Evison ‘Sarah Elizabeth’ is from the compact Boulevard series with distinctive, glowing almost salmon pink flowers.

Clematis Evison ‘Sarah Elizabeth’ is from the compact Boulevard series with distinctive, glowing almost salmon pink flowers.

Clematis Evison ‘Shimmer’ has large lilac-blue to lilac-purple flowers with a paler central bar. The flowers change to lighter blue as they age.

Clematis Evison 'Tekla' has large, single flowers of magenta-pink with light pink bars and white and purple anthers.