Sorbus koehneana, Koehne mountain ash, is a species of rowan native to central and southeast China and Qinghai. It is found in mixed forests or thickets in mountains 2,300 to 4,000 m above sea level. It has white fruits and it's famous for the bright red color of its leaves in autumn.
Sorbus koehneana is resistant to disease and typically not susceptible to illnesses. Regarding maintenance, this plant is fairly low-maintenance. When grown outdoors it needs only minimal watering, and larger plants usually do not require pruning; however, smaller plants should be pruned after they have finished blooming. Sorbus koehneana is suitable for anyone with outdoor space, such as a garden or a deck, and does not demand extensive care experience.
How to keep Sorbus Koehneana.
Light
Sorbus koehneana is native to open habitats, such as sunlit meadows and forest margins, where light is plentiful. It does best in Full Sun but can also tolerate Partial Sun, showing good adaptability to different sunlight levels.
Temperature
Sorbus koehneana is highly adaptable to a variety of climatic conditions, from blistering summers to cold winters. Nevertheless, it has an optimal temperature range for growth. When temperatures become too high, the plant is susceptible to heat and humidity stress, which can cause it to die. In areas where temperatures approach its lower cold tolerance limit, it is important to provide insulation to protect the plant.
Fertilizer
To encourage healthy growth, fertilize your Sorbus koehneana in early spring. Regular fertilization improves overall health, leading to vigorous growth, increased tolerance of difficult conditions, and better resistance to diseases and pests. Keep a consistent fertilization schedule for your Sorbus koehneana to maintain vibrant, deeply colored foliage and a lush appearance.
Botanical profile.
- Plant Type
- Shrub, Tree
- Life Cycle
- Perennial
- Genus
- Sorbus
- Family
- Rosaceae
- Hardiness Zone
- 4-7
- Mature Height
- 6.1 m
- Mature Spread
- 3.96 m
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Color
- White
- Flower Size
- 0.76 cm to 1.27 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Autumn
- Harvest Time
- Late summer, Early fall, Mid fall
- Native Area
- China
Other names.
