Written by Maggie
Nov 24 2020
Viola Tricolor is a common European wildflower species and is often cultivated in parks. It is the national flower of Iceland and Poland. Flowers usually have purple, white, yellow flowers, so the name is pansy. This species is hardy, likes cool, and flowering is influenced by light.
Viola Tricolor is suitable for open-air cultivation. It is suitable for flower beds, gardens and potted plants, but not for indoor cultivation.
Stems of Viola Tricolor are 10 -- 40cm tall, smooth throughout. Stems are coarser, erect or slightly inclined, ribbed, simple or much branched. Basal leaf is blade lobes long ovate or lanceolate, long stripe. Cauline leaf is blade ovate, oblong-orbicular or oblong-lanceolate, apex rounded or obtuse, base rounded, margin sparsely crenate or obtuse serrate, upper leaf petiole longer, lower one shorter. Stipules are large, lobed, pinnately deeply lobed, 1 -- 4cm long.
Flowers are large, about 3.5-6cm in diameter, 3-10 on each stem, usually purple, white and yellow on each flower. Pedicel is slightly coarser, axils of solitary leaves, upper with 2 opposite bracteoles. Bracteoles are very small, ovate-triangular. Sepals are green, oblong-lanceolate, 1.2 -- 2.2cm long, 3 -- 5mm wide, apex acute, margin narrowly membranous, base appendages well developed, 3 -- 6mm long, margin irregular. Upper petals are in a deep purple violet, lateral and lower petals in three colors with purple stripes, inner base of lateral petals densely covered with hairs, lower petals with a fine distance of 5-8mm long. Ovary is glabrous, style short, base conspicuously geniculate, stigma swollen, globose, anterior with larger stigma orioles. Capsule is ellipsoid, 8-12mm long.
Viola Tricolor is hardy, cool and sunny. It develops well under the conditions of 15-25℃ day temperature and 3-5℃ night temperature.
Viola Tricolor is resistant to high temperature and water, cold and frost. If the daytime temperature is above 30℃ continuously, the flower buds will disappear or not form petals. When the day temperature lasts 25℃, only the flowers are not firm, and even when they are firm, the seeds are stunted. The root system can tolerate low temperatures of -15℃, but the edge of the leaf yellowed when it was frozen below -5℃.
The influence of sunshine length on flowering is greater than that of light intensity. Viola Tricolor favors fertile, well-drained, organic-rich neutral or clay loam with a pH of 5.4~7.4.For perennial flowers, often biennial cultivation.
Parks throughout China are cultivated for ornamental use. Viola Tricolor is originally from northern Europe and is widely cultivated in northern and southern China. Viola Tricolor is cultivated in a small amount in Hebei Province as a medicinal plant.
Viola Tricolor is often planted on flower beds in the courtyard. It can be used for felt flower beds and flower bushes. It is suitable for planting in slices, lines and circles. Also suitable for the layout of flower border, lawn edge. Different varieties planted together with other flowers can form a unique landscape in early spring. Also it can be potted alternatively to decorate the balcony, windowsill, step or adorn bedroom, study, guest hall quite innovative, have elegant interest.
Viola Tricolor whole herbs: antipyretic, antipyretic, cough, diuretic. It's used for coughs, pediatric scrofula, scrofula.
Viola Tricolor flowers are dark purple with aromatic, extractive essence.