Geranium Interspecific pelargonium interspecific 'Calliope Large Rose Mega Splash'


The Calliope's are a interspecific series of geraniums brought to us by Syngenta Flowers.  This breakthrough collection combines the best of zonal and ivy geraniums into one superior plant.  Characteristics such as heat loving, drought tolerant, large semi-double flowers, extremely well branched and vigorous make Calliope the new standard for geraniums.  Calliope Dark Red features large dark velvet red flowers that work equally well in the landscape and baskets or containers.  This variety is unmatched on the market and has garnered numerous performance-trialing awards.  Combine with Euphorbia Euphoric White for a breathtaking display.

Height: 14-16 in

Spread: 20-24 in

Growing Tips for Homeowners:

  • The original interspecific geranium known for its intense color
  • Vigorous habits make it ideal for high impact containers were maximum flower power and wow factor are desired
  • Excellent performance in the landscape and thrives under heat and drought conditions

Characteristics & Attributes:


  • Semi-Double Flower
  • Fragrant
  • Heat Tolerant
  • Drought Tolerant

Critter Resistance:

  • Deer Resistant

Design Use:

  • Hanging Baskets
  • Ground Cover
  • Focal Point
  • Window Boxes
  • Woodland Edge
  • Edging
  • Trellis / Wall
  • Container
  • Filler
  • Mass Planting
  • Border
  • Versatile


  • Full Sun / Part Sun

Foliage Color:

  • Mid Green


  • Mounding

Season of Interest (Flowering):

  • Fall
  • Summer

Season of Interest (Foliage):

  • Fall
  • Summer
  • Spring

Soil Moisture:

  • Moist
  • Well Drained
  • Average


  • Vigorous