I recently acquired two hinoki cypress clusters. Both had been rather neglected with a fair amount of brown foliage probably due to lack of watering. They were mine free of charge and already quite established in large, very deep pots. Too deep actually.
Since there were two separate clusters and neither was assured of survival I took two different takes with nursing them back to health.
On the first, less brown one I removed about half the rootball (still leaving a good 10”) and carefully pruned away as much of the dead stuff as I could. Then I repotted in good, well draining soil (about 50/50 organic and akadama). It lives in a temperature controlled greenhouse where temps will remain between 55 and 75 degrees F. (I am trying to fool it into thinking it’s spring). I keep it moist inside so the air doesn’t get to dry.
The second one is in a larger pot with it’s entire rootball intact and less of the dead stuff removed up top. It lives outside in a sheltered area which will get about 3 hours of morning sun and little wind exposure. Same 50/50 soil mix. This will experience a normal central Arkansas winter in zone 7A.
I realize it may take many months before I know if either tree survives.
I would appreciate any good information on hinoki as bonsai from this point forward. Both have decent primary trunks of about 1” diameter and 30” height and lots of healthy green remaining so I am guardedly optimistic.
I’ve always loved hinoki with their beautiful feathery foliage. I sure hope they make it.