Acer Palmatum 'Emerald Lace': A Dwarf, Weeping Japanese Maple

Scientific Identity

Acer palmatum 'Emerald Lace' belongs to the soapberry family (Sapindaceae), a maple cultivar native to Japan. It's a classic representative of the "dissectum" (lace-leaf) group, and its name comes from its vivid emerald-green foliage. Although it's the same species as Seiryu in my collection, its growth habit is completely different, growing the two side by side creates an interesting contrast.

Leaf Structure and Type

Emerald Lace's leaves more than earn the word "lace" in its name. Very finely dissected, feather-like lobed leaves spread across reddish branches, as seen in the photo. The contrast between that red branch color and the bright green leaves is one of the plant's most striking visual traits.

Fall Color

Through summer the leaves carry a vivid, bright emerald green, the tone clearly visible in the photo. In autumn that green shifts to golden yellow and orange tones. Compared to Seiryu, the color transition is a bit softer, but it still provides a real visual highlight in the garden.

Size and Growth

Unlike Seiryu, Emerald Lace is a dwarf, cushion-shaped grower. Over the years it can reach 1 to 1.5 meters in height, with a somewhat wider spread. Because its branches weep, the plant gradually forms a fountain-like silhouette cascading downward.

Growing Conditions and Climate Needs

Just like Seiryu, it prefers partial shade and needs protection from harsh afternoon sun, otherwise the thin leaves scorch easily. It wants moist but well-drained, slightly acidic soil. It's generally cold-hardy, but given its dwarf, compact form, its roots can be somewhat more exposed to hard frost, so it's worth protecting the root zone in winter for container-grown specimens. Wind protection matters too, since the lacy leaves are easily damaged by wind.

Landscape Features

Its dwarf, weeping form makes Emerald Lace ideal for container growing, rock gardens and pond edges. Thanks to its low profile, it can be used as a foreground plant in the garden or to create a cascading look down a wall or terrace edge. It's also a popular choice for contrast alongside upright cultivars like Seiryu, which is exactly how we use it in our collection.

From the Garden

Standing next to Seiryu really highlights how different the two are in character, one reaching straight up, the other cascading downward. Emerald Lace's dwarf form also makes it easy to keep in a pot, so it finds a comfortable place both in the garden and on a terrace corner.