Zantedeschia 'Gold Rush' YellowIts best to first put this 'Gold Rush calla lily inside in the nursery pot in direct sunlight. That is how the leaf and later the flowers flourish. As soon as temperatures are above zero, the Zantedeschia can be put outside. You'll enjoy this colourful leaf for a very long time! It is best to plant the calla lily in your garden in spring. The flower blossoms between June and September. With the proper care, it will bloom year after year!