Types that fall under this category include Henryi and Nelly Moser. Cholmondeley’. One of the most popular Clematis ever, 'Nelly Moser' is a deciduous vine which gets covered with a profusion of impressively large star-shaped flowers, up to 8 in. Clematis that bloom in very late spring and early summer should be pruned before they blossom. Planted in a shady spot, the cheery pink-and-mauve-striped blossoms last for weeks instead of days. A gardener's favorite since its introduction in 1897! 'Nelly Moser' is a group 2 clematis, producing large flowers in late spring and early summer. Clematis Pruning Group 2. Group 3 Late-Flowering Clematis: Plants in this group flower on the last 2 to 3 feet of the current season’s growth. Garden history. This type of clematis include most large-flower types. This clematis blooms from May to late June, with a second, less profuse bloom in mid-August. If the growing tips turn black and the plant collapses while in growth, clematis wilt is most likely to blame. The wild Clematis species native to China made their way into Japanese gardens by the 17th century. (20 cm), with 8 pink-lilac sepals, each with a carmine stripe that fades in strong sun, and reddish-purple anthers. Clematis ‘Nelly Moser’ (Early Large-Flowered Clematis) One of the most popular Clematis ever, ‘Nelly Moser’ is a deciduous vine which gets covered with a profusion of impressively large star-shaped flowers, up to 8 in. These sort of clematis produce so many buds that they need to be cut back so that most of the flowers have a chance to bloom. Early-season, large-flowering forms such as 'Nelly Moser' tend towards the natural flowering habit of C. patens or C. lanuginosa while later-flowering forms such as ×jackmanii are nearer in habit to C. viticella. Flowers through late Spring and Summer and those which flower twice (once in early Spring and again late Summer). Plants in this group include: ‘Nelly Moser,’ ‘Miss Bateman,’ ‘Lasurstern,’ ‘Duchess of Edinburgh,’ and ‘Mrs. ‘Nellie Moser’ is easy to grow, producing large, flat flowers 6 to 8 inches in diameter with distinctive, gleaming lilac bars on each petal. These are formed on wood grown the previous year. … This should be a fairly light pruning. Flowers late summer. (20 cm), with 8 pink-lilac sepals, each with a carmine stripe that fades in strong sun, and reddish-purple anthers. Large-flowered hybrids, including “Nelly Moser,” in USDA zones 4 through 11, and “Candida" (Clematis languinosa), in USDA zones 4 through 9, may be pruned in February or March. 'Nelly Moser' and C. 'Niobe', ... Pruning for clematis wilt. Varieties in this group include the large-flowered Nelly Moser, Niobe, Bees Jubilee, Aneta and Princess Charlotte. Clematis Pruning Group 3. They give way to attractive globular seedheads.