Acer, Cutleaf Japanese Maple, Threadleaf Japanese Maple 'Seiryu'

Healthy grower here in Portland, Oregon...but then again all Japanese maples do well here.

I planted this tree 4 yrs ago and it has survived hot dry Utah summers with no additional watering and a cold winter. It has grown a foot...Read More to reach 6'. The flowers' stems are a pretty pinkish red that contrast with the yellow-green leaves beautifully. I really like that it is an upright and green laceleaf. It is sensitive to wind so it needs a sheltered spot. I have mine tied to two bamboo stakes for additional support. Not common around here which (IMO) is a plus; the only other specimen I have seen is a ~20 foot tree at a home higher up in the foothills where there is significantly more snow than at my place (zone 5-6 depending on where you are in the Salt Lake valley).

This variety of Japanese Maple seems to be negatively affected by strong sun and/or heat as well as winds. My tree, planted in 2006, reac...Read Moreted to a 2008 hot spell with leaves that shriveled up and died. Though it was quick to send out new growth back then, about half of the tree now appears to be dead in April (Zone 5B). There are new leaf buds emerging only on about half of the tree, so maybe it's susceptible to cold winters too.

My two year old potted Seiryu looked great this spring, but a very hot dry spell with high winds caused the leaves to all dry out and fal...Read Morel. But, a couple of weeks later, it is putting on new leaves and seems like it will make a full recovery. (I also moved it to a spot with more shade to protect it during the scorching summer heat.)