Acer palmatum Emperor 1
Acer palmatum Emperor 1
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Common Name: Emperor 1 Japanese Maple
Description: The Emperor 1 Japanese Maple (Acer palmatum 'Emperor 1'), also known as 'Red Emperor', is a deciduous tree celebrated for its vibrant foliage and elegant form. In spring, the leaves emerge as deep maroon with a brilliant translucent sheen, transitioning to rich purple-red throughout summer. Come autumn, the foliage transforms into a stunning scarlet red before shedding for winter. This cultivar is noted for its resilience, leafing out approximately two weeks later than other varieties, reducing the risk of damage from late spring frosts. It maintains its color well, even in shaded conditions, and is more versatile compared to similar cultivars.Â
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Form:
- Tree - Medium
Mature Size:
- Height: Approximately 4.5 meters
- Width: Approximately 4.5 meters
Aspect:
- Full Sun
- Part Shade
Flowering:
- Flowers in Spring
Flower Colour:
- Inconspicuous; not primarily grown for flowers
Key Attributes:
- Vibrant seasonal foliage
- Late leaf emergence reduces frost damage
- Maintains color in shade
- Suitable for small to medium gardens
- Can be grown in containers
Toxicity: No known toxicity to humans or animals.
Companion Plants:
- Azaleas (Rhododendron spp.)
- Hostas (Hosta spp.)
- Ferns (Various species)
- Japanese Forest Grass (Hakonechloa macra)
- Camellias (Camellia spp.)
Note: The Emperor 1 Japanese Maple is an excellent choice for gardeners seeking a hardy tree with striking color throughout the growing seasons. Its adaptability to various light conditions and soil types makes it suitable for diverse landscape applications.


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