Silkoak (Robusta)

The Silkoak (Robusta) is generally described as a perennial tree. This is not native to the U.S. (United States) and has its most active growth period in the spring and summer and fall . The Silkoak (Robusta) has green foliage and inconspicuous yellow flowers, with a smattering of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the summer, with fruit and seed production starting in the fall and continuing until winter. Leaves are retained year to year. The Silkoak (Robusta) has a moderate life span relative to most other plant species and a rapid growth rate. At maturity, the typical Silkoak (Robusta) will reach up to 105 feet high, with a maximum height at 20 years of 100 feet.

The Silkoak (Robusta) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, seed. It has a rapid ability to spread through seed production and the seedlings have high vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 17°F. has medium tolerance to drought and restricted water conditions.