The ‘Imshu’ name is a blend of ‘improved’ and ‘Schubert’. It originates from a Korean seedling which was brought home to the US by a soldier who served in the Korean War. This variety is now considered the best, hardiest heartnut with bountiful annual crops of medium sized nuts. Mature height 8-12m (25-40')
NEEDS A POLLENIZER | ZONE 5 | HARVEST: MID OCT.