Weeping Japanese Maple 'Viridis' TreeUnique Weeping Greenery and Fall Interest Why Weeping Japanese Maple Trees? The Weeping Japanese Maple has unique wispy, green foliage that offers a signature airy, light look with a glowing effect when the sun shines upon it. Plus, its varying shades of green transform into fall interest later in the year, offering month to month visual interest in your garden. Known as the Viridis, this tree can flourish for 60 years or more with very minimal care.