Coleus is a member of the mint family, with its characteristic square stems and oppositely arranged leaves.
Coleus also have a wide variety of leaf sizes and overall shapes. This means that no matter what area you are looking to put coleus, you can find one that will be perfect. These plants are great for adding colour to the garden (or home), especially in those dark, drab-looking corners. It is actually a heat-loving herbaceous perennial but is usually treated as an annual since even the slightest breath of frost will turn it to mush. They have some of the most stunningly coloured foliage in combinations of green, yellow, pink, red, maroon, etc.
Thuja is evergreen trees with stringy-textured reddish-brown bark. The shoots are flat, with side shoots only in a single plane.
The tubular flowers are violetish white in the throat with streaks of violet. The flower throat is also hairy. Thuja is evergreen trees growing from 10 to 200 feet (3.0 to 61.0 metres) tall, with stringy-textured reddish-brown bark. The shoots are flat, with side shoots only in a single plane.
The leaves are scale-like 1 to 10 mm long.