Chi chi (Ginkgo biloba ‘Chichi’) Posted on April 6, 2012 by Lucile Whitman Chi chi (Ginkgo biloba 'Chichi) (maybe Tschi Tschi) Instead of a majestic 60′ tree, this is a shrubby 16′ mound. The leaves are smaller too although still the distinctive shape. Zone 4. Size: 1 gallon Price: $30.00 Size: field grown Price: $115.00