APEM Acer palmatum 'Emperor 1'
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Acer palmatum ‘Emperor 1’

Japanese Maple, Emperor Maple, Red Emperor

£110.00

Acer palmatum ‘Emperor 1’ is a graceful deciduous tree with deep purple-red leaves that hold their colour throughout the season. Renowned for its elegant habit and improved hardiness, it provides striking autumn colour.

Japanese Maples, native to Japan, Korea, and China, have been treasured for centuries in traditional gardens and temple courtyards. Acer palmatum, the parent species, was first described by Carl Peter Thunberg in the 18th century following his travels in Japan. The name ‘palmatum’ comes from the Latin for hand-shaped, referring to the characteristically lobed leaves. ‘Emperor 1’ is a modern horticultural introduction, selected for its exceptional leaf colour, vigour, and improved cold resilience. In its native landscapes, the Japanese Maple symbolises peace, serenity, and an appreciation for fleeting beauty.

Item code:
APEM-10
Pot size:
10Ltr pot
Height:
150/175cm tall
Description:
natural form
£110.00
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Origin: Japan (species), horticultural origin (cultivar)
Genus: Acer
Species / Cultivar: palmatum Emperor 1
Common Name: Japanese Maple, Emperor Maple, Red Emperor
Soil: Moist but Well Drained
Soil that allows water to drain at a moderate rate, without the water pooling.
Growth Rate: Medium
Expect to see moderate growth during growing season.
Water Requirement: Medium
Once it is established, this plant is likely to only require watering during drier periods.
Toxicity: Pet friendly
There is no reported toxicity to pets and humans.
Maintenance: Low
Minimal skill or input needed beyond the basics, a very independent plant.
Situation: Part Shade
Enjoys several hours of direct sunlight but may enjoy dappling or shade at midday.
Eventual Height: 4-6m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 3-4m
The plant's ultimate spread in typical growing conditions.
Hardiness: Hardy
Survives unprotected in an average winter. May need protection in extreme long frosts.
Habit: Deciduous
Sheds all its foliage annually, so for a period of the year it will be without foliage.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.

Care and Guidance

Plant Acer palmatum ‘Emperor 1’ in a sheltered spot protected from harsh winds and strong midday sun. Consistently moist, well-drained soil helps keep leaf edges from scorching. Water regularly during warmer months, allowing the soil to dry slightly between waterings, and reduce frequency in winter. Minimal pruning is required; shaping can be done in late winter or early spring if needed. Ensure mulch is applied around the base but kept away from the trunk to conserve moisture and protect roots.

Expert Tip

Position ‘Emperor 1’ against a light or evergreen backdrop to highlight its brilliant leaf colour, and avoid planting in locations with strong afternoon sun to prevent leaf scorch.

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