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
Geranium - One of the toughest plants in the shade garden, bigroot geranium (Geranium macrorrhizum) doesn't mind heat or drought. Plant it with: Add height and interest to your shade garden by planting bigroot geranium in front of toad lilies.