red rowan tree

Aria alnifolia
Aria alnifolia is a deciduous shrub native to North America that blooms with beautiful white flowers in the spring and bears small, edible berries in the autumn. The following is information regarding the growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods of Aria alnifolia.

Growth Characteristics
- Growing Environment: Aria alnifolia thrives in sunny locations but can also adapt to partial shade. While it can grow in various soils, it prefers well-drained soil.
- Size: Mature trees generally grow to a height of 2 to 4 meters.
- Flowers and Fruit: White flowers bloom in the spring, and small black berries develop in late summer, providing food for birds and small animals.

Propagation Methods
- Seed Propagation: Collect seeds from the berries in the autumn, store them, and sow them in the spring.
- Cuttings: It can be propagated by stem cuttings in the summer, or by cutting or gathering. Cultivation Methods
- Planting: Select a planting location and plant the seedlings, maintaining appropriate spacing.
- Watering: Water sufficiently during the first year after planting to promote root growth. No special watering is required thereafter.
- Fertilizer: Fertilizer is not strictly necessary except during the first year, but applying a moderate amount of compound fertilizer in the spring aids in growth.

Uses in Gardens
- Landscape Value: It is suitable for ornamental use due to its beautiful flowers and fruit production.
- Wildlife: It provides habitat for wildlife such as birds and butterflies.

Major Pests and Diseases and Control Methods
- Diseases: It may contract leaf blight or leaf mold. Manage these conditions by creating a well-ventilated environment and removing infected parts.
- Pests: Peach aphids and mites may occur. Use low-toxicity insecticides if necessary.
- General Control Methods: Observe the plants regularly to prevent diseases and take appropriate control measures when necessary. The Japanese rowan is a relatively easy-to-care-for plant that can be utilized in various ways in the garden. To keep it healthy, it is important to provide regular care and create a suitable environment.
Plant Type
Plant Family	Rosaceae
Height	12~15m
Spread	6~7.5m
Colors	white
Bloom Period	May to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-40°C
American Rowan
Sorbus americana
Nutans
Sorghastrum nutans