We Green-One set up glass houses as a model growing location with a size of approximately 191 ㎡ in Pyeongchang, Gangwon province where there is the closest condition for calla growing. We brought in 71,500 pieces of bulbs in 12 types from New Zealand and started model growing since June 2008. The model growing was a success.

Major place of origin is the South Africa region and Calla flower's floral language is innocence, passion, purity and chastity whose original name is Zantedeschia aethiopica.

Calla flower growing situation in Korea is mainly focused on white calla and there is one or two types of different colors.