January / 2002
At Home in the Garden

The amazing Katsura tree
by:  

Even though the air is cold, the garden is ready and waiting for spring. Each winter I am amazed to see the large flower buds of my magnolia and rhododendron perfectly formed and unharmed by the freezing temperatures.
The tiny red buds of my favorite Katsura tree, Cercidiphyllum japonicum, are barely noticeable as I look from my kitchen window, but as I pass by it going in and out each day I see they fill the tiny olive-brown twigs. My son was just over a year old when he helped to plant this year-round beauty that now shades our patio.

Katsura tree
The Katsura tree has beautiful heart-shaped leaves that remind you of our native redbud. The leaves emerge reddish in color and turn a perfect bluish-green for summer and a golden yellow for fall. This medium-sized tree can reach 40 feet in height, making it the perfect choice for the smaller garden or for an area where you don't want or need a 100-foot-tall maple or oak.
Rich and moist yet well-drained soils are a must for this tree to perform its best. Water regularly during establishment and hot dry summers, regardless of tree age. Even mature specimens can suffer from heat and drought.

Amazing Grace
Perhaps an even more amazing sight is Cercidiphyllum japonicum 'Pendula' or 'Amazing Grace.' These weeping forms have been difficult to find in the past but are becoming increasingly available every year. A tremendous Kentucky nurseryman, Theodore Klein, selected the cultivar 'Amazing Graze' and a mature specimen can be seen in the magnolia section on the sun and shade trail at Bernheim Arboretum and Research Forest, located near Bardstown in Bullitt and Nelson counties.
During Klein's life he also introduced to us many American holly cultivars, such as Ilex opaca 'Judy Evans,' and cercis canadensis 'Silver Cloud' redbud. The fruits of his work will continue to be seen even beyond his death as the plants he so lovingly cultivated at his nursery grow on and mature in gardens like ours.
Leaves of both the species and weeping forms of the Katsura tree are very much alike, but when you see the beautiful blue-green, heart-shaped leaves falling from the even more incredible weeping specimens, it presents a whole new experience in beauty. In the fall you are rewarded again with a beautiful golden waterfall of fall color.
The weeping forms grow approximately 20 to 25 feet tall in our area, but because of their weeping habit they take up a bit more ground space than other species and can grow 30 feet wide or more. This sometimes makes me wish for a larger garden, but for now I am not willing to give up 30 feet of my small garden and I find that my upright species keeps me quite happy.
Perhaps a lesser known weeping Katsura tree is Cercidiphyllum magnificum 'Pendulum.' This larger form can reach 50 feet in height and is more upright than the others. This form boasts a dominant central leader, therefore the branches do not weep as strongly and its leaves are slightly larger, giving it a different look. It is also becoming easier to find.