Norwegian autumn foliage 'Crimson King'

Acer platanoide 'Crimson King'

The Norwegian Maple 'Crimson King' (Acer platanoides 'Crimson King') is an ornamental tree characterized by its unique crimson leaves and is widely used in gardens and urban environments.

Growth Characteristics
- Size: Mature trees grow to a height of approximately 12–15 meters, with the canopy spreading to a similar width.
- Leaves: The leaves range in color from deep purple to dark red, and the color tends to deepen in the autumn.
- Environment: It prefers sunny locations but can tolerate some shade. While it adapts well to various soil conditions, it shows optimal growth in well-drained soil.

Propagation Methods
- Seeds: Seed propagation of the Norwegian Maple is possible, but it is time-consuming and may result in genetic mutations.
- Grafting: Grafting is primarily used to maintain desired characteristics. Bud grafting can be performed in the spring or grafting can be done in the summer.

Cultivation Methods
- Planting: When planting the tree, ensure sufficient space to allow the canopy to expand freely. - Watering: Regular watering is necessary during the early growth stages, but mature trees can tolerate some degree of dryness.
- Fertilization: Applying slow-release fertilizer every spring during the growing season can promote growth.

Uses in the Garden
- Landscaping: It is popular as a garden, park, and street tree due to its impressive leaf color.
- Highlights: It is excellent for highlighting specific areas in the garden or as a background planting.

Important Pests and Control Methods
- Diseases: It can be damaged by fungal diseases and beetles. Particular attention is required regarding leaf molds such as anthracnose.
- Control: Use appropriate fungicides when fungal diseases occur, and manage the canopy through pruning to ensure good ventilation.
- Pests: Aphids and moth larvae are major pests.
- Control: Use natural insecticides in the early stages of pest infestation, and consider chemical insecticides in severe cases. Washing with soap and water can also be effective in some cases. The Norwegian maple 'Crimson King' is a hardy tree that provides beauty for a long time, provided it is properly cared for and provided with the right environment.

Plant Type
Plant Family	Sapindaceae
Height	9~12m
Spread	6~12m
Colors	yellow
Bloom Period	March to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Acer palmatum
Acer circinatum

Norwegian autumn foliage
Acer platanoides