Acer ×freemanii 'Armstrong Two', an improved version of 'Armstrong', is a columnar tree reaching a height of 10 to 15 meters. The tree does not exhibit distinctive features regarding bark or branches.
In March and April, striking red flower clusters appear before the foliage develops. The leaves provide a spectacular display in autumn with their intense orange to red hues.
This cultivar is fruitless, making it highly suitable for use in paved areas. The tree prefers soils that are not overly calcareous. It is exceptionally hardy, tolerating temperatures as low as -34.4°C, is highly wind-resistant, and serves as a host tree for butterflies.