01/05/2020 Magoon Research Institute, University of Hawaii, Oshima Sakura at the Southside Jan 5, 2021 | Manoa | News The Sakura tree at the Southside. This Sakura tree on the Southside was not growing well until recently. However, it started growing rapidly and we found the proof of blooming flower. There are many buds for new leaves also. The proof of blooming flower. Sakura seeds were germinated and became young trees in Hawaii around 2013. Two (2) potted Sakura trees were planted on the ground in September 2019.