How to grow, cultivation, easy to grow in all but the driest soils.
It is also a known host to the bacterium that causes Pierce's disease, which is a deadly disease to grapevines).What problems does periwinkle cause?Cut back the plants first to allow the herbicide to better penetrate.Planted 18 inches apart in the spring, the plants will cover an area by the end of the growing season.Drought Resistant Ground Cover Low Maintenance Banks and Slopes.Yellow variegated varieties include "Illumination" and "Aureovariegata." For leaves with white variegation, look for "Argenteovariegata "Ralph cerco cane taglia medio piccola Shugert" or "Sterling Silver.".Mowing the vinca will not permanently remove the plant because it will resprout.Flora d'Italia Edagricole 1982, Vol.Pubescens d'Urv.) - leaf petioles aeroporto leonardo da vinci informazioni densely hairy, hairs longer; petals much narrower (Caucasus, northeastern Turkey) The closely related taglie asos petite Vinca minor is similar but smaller, with narrower, hairless leaves.The non-flowering stems of periwinkle grow along the ground, while the flowering stems stand upright.
Growing to 25 cm (10 in) tall and spreading indefinitely, it is an evergreen perennial, frequently used in cultivation as groundcover.
The leaves are opposite, nearly orbicular at the base of the stems and lanceolate at the apex, 39 cm long and 26 cm broad, glossy dark green with a leathery texture and an entire but distinctly ciliate margin, and a hairy petiole 12 cm long.
The flowers are hermaphrodite, axillary and solitary, violet-purple, 35 cm diameter, with a five-lobed corolla.Variegated Vinca Varieties, two species of vinca are planted as groundcover vines, and both have variegated varieties.Periwinkle was first introduced to the US as an ornamental garden plant and as a medicinal herb.Because of this, a small piece of fragmented periwinkle is sufficient to start a new vine.Where is periwinkle found?