Umbrella rowan

Sorbus ulleungensis

Sorbus commixta f. rufo-hirtella is a plant primarily distributed in Korea and Japan and is a popular ornamental species. Below, we describe the growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods for this plant.
 - Growth Characteristics:
- This plant grows as a deciduous broad-leaved tree and can typically reach a height of 10 to 15 meters.
- It prefers sunlight but can also grow in partial shade.
- It thrives in moderately moist soil and prefers well-drained soil.
- It tolerates temperate climates well.
 - Propagation Methods:
- Propagation by seed is primarily used.
- Mature fruits are collected in the autumn, the seeds are separated, and then sown in the spring after the winter. - Cold treatment of seeds for 1 to 2 months prior to sowing can increase germination rates.
 - Cultivation Method:
- It is recommended to transplant in the spring or autumn.
- Select a planting location with good drainage, and water thoroughly after planting.
- Remove weeds during the early growing season and apply fertilizer as needed to accelerate growth.
 - Use in the Garden:
- The Umbrella Rowan has high ornamental value due to its brightly colored berries and magnificent tree shape.
- It is suitable as a border tree or background plant in the garden and provides beautiful autumn foliage.
 - Major Pests and Control Methods:
- Points to watch out for include insects that primarily damage the leaves and diseases that may occur near the roots.
- Common diseases include leaf blight and powdery mildew; appropriate pesticides should be used for regular control. - To prevent pests and diseases, it is important to ensure adequate ventilation and consistent sunlight, and to avoid excessively humid environments.
- In the event of disease, infected parts must be removed immediately, and the spread must be prevented through disinfection.

This information is a general guideline, and adjustments may be necessary during cultivation and management depending on the actual environment.

Plant Type
Plant Family	Rosaceae
Height	6~8m
Spread
Colors	white
Bloom Period	May to June
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Mountain buckthorn
Sorbus sambucifolia var. pseudogracilis

European rowan
Sorbus commixta