The cultivar was named after the shape of its cupped leaves.
Osakazuki means a leaf like a wine cup in Japanese.
This tree, if properly cared for, will provide many years of beauty in the landscape.
The Spruce / Evgeniya Vlasova
Too much sun can be detrimental.
Morning sun is better than afternoon sun, and protection from afternoon sun can help the tree thrive.
Water deeply around the base of the tree at least once a week in hot dry weather.
The Spruce / Evgeniya Vlasova
Always take soil samples before fertilizing to know what kind of fertilizer to use and to avoid fertilizer burn.
Wait until your tree has established itself, at least two years after planting.
Pruning
Japanese maples generally benefit from as littlepruningas possible.
The Spruce / Evgeniya Vlasova
However, after your tree is established, you might notice many tiny seedlings sprouting up around it.
Dwarf Japanese maple cultivars such asAcer palmatum’Coonara Pygmy' are much better suited for growing in pots.
Overwintering
Japanese maples are only hardy to Zone 5.
The Spruce / Evgeniya Vlasova
These trees are considered slow-growing, adding between 12-24 inches of height per year.
The Osakazuki will tend to reach its mature height within 10 to 15 years.
No, you should ensure that the tree does not get too much sun.
Arco Images / De Cuveland Justus / Getty Images
Japanese maples are often planted as understory trees, receiving dappled light beneath the shade of taller trees.
