Perennial Geranium There are a wealth of geraniums perfect for cottage gardens. 'Johnson's Blue' is among the most common; it offers beautiful blue-purple flowers in early summer. Name: Geranium 'Johnson's Blue'
Spring Garden, Town Place | Blue geraniums planted beneath s… | Flickr
Geranium Rozanne -this is one of the best perennial geraniums around. It makes in height and in spread with a somewhat lax habit. It bears abundant mauve-blue flowers from June-September and likes a well-drained position in sun or partial shade