'Rozanne' Geranium: The 2008 Perennial Plant of the Year, 'Rozanne' produces 2.5" violet blue flowers with dark green foliage, lightly marbled with chartreuse. Develops red fall color. Plant in Full sun to Part shade in Zones 4-8. Blooms in June-July. Average H 15-18" x W 24-30". Space plants 20-26" apart.