Heartnut (Juglans ailanthifolia var. cordiformis) IMSHU

Japanese heartnut, comes from the mountainous areas of the islands of Hokkaido, Honshu, Shikoko, Kyushu and Sakhalin. Very fast growing, tropical in appearance. Exceptional cracking quality, yielding a high percentage of whole kernels. Light kernel colour and a fine mild flavour.

Crossing: Shubert x free pollination, breeder John Gordon
Vigour: fast growing, up to 15 - 20 m high. At first it grows straight up, but later it builds up a wide canopy. Bark is light gray and grooved.
Blossom: May, after the first leaf development, partially self-fertile. This means that two or more seedlings or different varieties should be planted. It is a protogynous cultivar, release pollen after female bloom.
Nut: medium-sized, 4 - 5 cm long. The fruits hang in large bunches with up to 20 nuts in a bunch. Shell hard but easy to break.
Kernel: color light brown, can be easily removed from the shell
Taste: fine mild, slightly cracking
Harvest season: the nuts ripen in late September
Yields: bears fruit 2 to 3 years after planting, regular yields
Resistance to diseases: Tree overall vital and climatically robust
Frost resistance: completely frost hardy