Yes
No. Vinca Minor, also known as Lesser Periwinkle, originates in Europe, whereas Vinca Rosea (correctly named Catharanthus roseus), also known as Madagascar Periwinkle is endemic to Madagascar.
Vinca minor 'Alba'
15cm should be fine
Periwinkle, also known as Vinca major and Vinca minor, will survive snow in climates as cold as USDA zone 6.
Cerithiopsis vinca was created in 1953.
No. Vinca (aka periwinkle) is toxic.
Vinca Wiedemann was born on September 23, 1959, in Denmark.
a flower
Yes, slugs will eat the leaves and exposed roots of the Vinca plant.
Binomial name: Littorina littoreaFor the source and more detailed information concerning your request, click on the related links section (Wikipedia) indicated directly below this answer section.
vinca flower and vinca vine vinca flower is especially resistant to rabbits they sort of resemble an impatien