Agapanthus - the African Lily

This group of flowers looks like a burst of fireworks doesn't it? Can anyone help identify it?

Added 27 Nov 2005

Origin: South Africa
Flowering: from early summer until the beginning of autumn
Use: container plant or cut flower
Propagation: Dividing the roots in March and by Seed
Site: half shade, sunny. Must be kept inside in the wintertime(it depends on the climate, in areas where minus degrees (C) are likely during winter)
Soil: any brand of wellbalanced potting soil
Temperature: 18 degrees, a minimum of 0 degrees (C) in the winter

Information quoted from http://www.agapanthus.org.uk/uk/agapanthusfreunde.html

Thanks to Heathen1, Seamommy and deejaus for identifying this plant.