Botanical profile

Acer palmatum 'Emperor'

Latin name
Acer palmatum 'Emperor'
Common name
Japanese maple 'Emperor'
Type
TREE
Family
Sapindaceae

Acer palmatum ‘Emperor’, known as 'Emperor' Japanese maple, is a refined purple variety distinguished by its translucent dark red foliage and late budding, ideal for avoiding spring frosts. Its naturally rounded habit, balanced growth, and stable summer color make it an excellent choice for shade beds, structured gardens, or Japanese-themed landscapes. In autumn, its foliage ignites with intense bright reds, creating a spectacular contrast with surrounding conifers and green foliage. Adapted to Quebec's climatic conditions, it offers elegance, lasting color, and a sculptural presence throughout the seasons.

Care guide

Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 5
Exposure
Sun to partial shade
Watering
Regular watering
Fertilization
Slow-release fertilizer 14-7-14 or 4-2-8. Fertilize monthly or as directed on the bag. Not recommended - use Bionik rooter or bone meal.
Soil type
Slightly acidic, rich and well-drained
Minimum temperature
'-28°C
Plant appearance

Blooming, foliage and shape

Blooming period
Spring
Flower color
Red
Fruiting
Fruiting body inconspicuous, sometimes reddish.
Foliage color
Red
Foliage type
Obsolete
Shape
Tree-like
Garden structure

Size and growth

Height
4 to 5 m (13 to 16 feet)
Width
4 m (13 feet)
Growth rate
average
Pet friendly
Safe for pets

Pets

Pollinators
Attracts or supports pollinating insects

Pollinators

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.