Maple tree 'Emperor I'

Acer palmatu 'Emperor I'

The maple 'Emperor I' (Acer palmatum 'Emperor I') is a highly popular ornamental variety due to its beautiful, distinctive red leaves. The following are the key characteristics and cultivation methods for 'Emperor I'.
 - Growth Characteristics:
- It grows rapidly, reaching a height of approximately 4.5 to 6 meters when mature.
- The leaf color starts as bright crimson in spring, changes to deep red in summer, and becomes an even deeper red in autumn.
- The leaf color becomes more vivid when exposed to ample sunlight.
- It is highly cold-hardy and thrives in various soil conditions.
 - Propagation Methods:
- It is primarily propagated through grafting and cuttings.
- Grafting is generally performed in the spring; healthy scions and rootstocks are selected and grafted appropriately.
- Cuttings are taken in the summer using newly grown branches, and rooting agents can be helpful. 3. Cultivation Method:
- It prefers well-drained soil, and it is recommended to create a drainage layer to prevent uneven water runoff.
- It is advisable to plant it in a location where it can receive ample sunlight.
- Water regularly to prevent drying out, but be careful not to overwater.
- Growth is most active in spring and autumn, so it is beneficial to apply fertilizer during these periods.
 - Use in the Garden:
- It can be planted individually or arranged in groups to serve as a hedge or boundary marker.
- It is well-suited for Japanese-style gardens, nature gardens, or urban landscapes.
- 'Emperor I' is also suitable for growing in pots on terraces or balconies.
 - Major Pests and Diseases and Control Methods:
- Major diseases include leaf blight and sclerotinia rot; it is important to ensure good ventilation to prevent the occurrence of these diseases.
- Pests include aphids and scale insects; inspect the leaves regularly and use appropriate insecticides if necessary. - To prevent pests and diseases, prune appropriately and remove surrounding weeds to ensure good ventilation and sunlight.

As such, 'Emperor I' is an ornamental plant that provides a beautiful landscape under proper care and can play a significant role in the garden.

Plant Type
Plant Family	Sapindaceae
Height	4~4.5m
Spread	3.9~4.5m
Colors	red
Bloom Period	March to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-20°C

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