An investigation on evaluation of ten cultivars of carnation (Dianthus caryophyllus L.) with respect to vegetativeand yield parameters of carnation cut flowers was carried out under naturally ventilated poly house condition at Hi-tech Horticulture Unit, Main Agricultural Research Station, Saidapur Farm, University of Agricultural Sciences, Dharwad during February to August, 2008. Varieties Yellow Firato, Firato, Diana and Gaudina were superior with respect to growth parameters like plant height, stem girth, number of shoots, length of shoots, number of leaves and length of leaves. Plant height was maximum (134.0 cm) in variety Yellow Firato. The shortest (99.14 cm) plant height was observed in variety Viking. Number of shoot was maximum in variety Yellow Firato (7.64). Lengh of shoot was maximum in variety Yellow Firato measuring 107.4 cm and was superior to rest of the varieties, however minimum shoot length was recorded in variety Alibaba (81.34 cm). Varieties Pink Shiva, Alibaba and Diana had thicker and stronger stems, while variety Firato, Viking, Buemonde had weaker stems. Variety Yellow Firato (22.80) produced maximum number of internodes per branch, where it was recorded minimum variety Dali (15.47). Inter nodal length was maximum in variety Aicardi (7.52) and minimum in Viking (4.37 cm). Number of leaves was maximum in variety Yellow Firato (214.4) and minimum in variety Alibaba (172.8). Leaf length was maximum in variety Buemonde (12.48 cm). Based on the present findings it can be concluded that the varieties Yellow Firato, Diana Firato, Aicardi, and Pink Shiva performed best with respect to growth, earliness in flowering, flower yield and quality.