European mountain-ash (Sorbus aucuparia)

Also known as: Quickbeam, European Rowan, Quicken-Tree, Rowan, Witchwood, Ranty

The European Rowan (Sorbus aucuparia), commonly called the European mountain-ash, is a deciduous tree indigenous to Europe. As it matures, it develops a slender trunk with branches that curve upward, forming a distinctive oval crown. The tree produces clusters of juicy, soft fruits that serve as a valuable food source for birds. Additionally, its foliage, which transitions from yellow to plum in the autumn, enhances its visual charm.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of European mountain-ash

Lifespan

Perennial

Plant Type

Tree, Shrub

Plant Height

6 m to 15 m

Spread

2 m to 6 m

Leaf Color

Green Yellow Red Orange

Flower Size

8 mm to 1.1 cm

Flower Color

White

Images of European mountain-ash

Quickly Identify European mountain-ash

Terminal corymbs of small, white flowers in late spring

Vibrant red-orange 1/3 inch (8.5 mm) berry-like fruits

Smooth, lanceolate pinnate leaves with serrated edges

Upright, spreading stem with visible lenticels

Bark transitions from smooth light gray to dark gray and rugged with age

Scientific Classification of European mountain-ash

Phylum

Vascular plants

Class

Dicotyledons

Order

Rosales

Family

Rose

Genus

Sorbus

Species

European mountain-ash

Planting and Growing of European mountain-ash

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-70℉

Soil Type

Potting Mix, Peat Mix

Soil pH

5.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water European mountain-ash?

Sorbus aucuparia, commonly known as rowan, thrives with a consistent yet moderate watering routine. Aim to provide approximately 500 milliliters per watering session. Ensure that the water reaches down to the root zone, contributing to a robust and healthy root system without waterlogging the soil.

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What Are the Sunlight Requirements for European mountain-ash?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

The ideal light range for Sorbus aucuparia includes full sun to partial sun for about 6 to 8 hours daily. This lighting ensures optimal photosynthesis, leading to vigorous growth and abundant fruiting.

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What Is the Ideal Temperature Range for European mountain-ash?

Ideal Temperature: 60 ~ 70℉

Sorbus aucuparia, also known as the rowan or mountain ash, thrives best in moderate temperatures. The ideal temperature range for its growth lies between 60°F and 70°F. This range allows the plant to maintain healthy metabolic processes, encouraging robust growth and fruit production.

What Soil is Best for European mountain-ash?

Soil type: Loam, Sandy loam

Soil PH: 5.5 ~ 7.5

Sorbus aucuparia thrives in well-drained soil, which prevents waterlogging and promotes healthy root growth. Efficient drainage allows water to be carried away from the root zone, reducing the risk of root rot and ensuring optimal nutrient uptake. This tree prefers soil that retains moisture but doesn't remain waterlogged. Moist soil supports nutrient availability and microbial activity, crucial for the plant's growth and berry production. Regular watering may be necessary during dry spells. Rich, fertile soils boost the development of Sorbus aucuparia, contributing to vibrant foliage and abundant berry yield. Adding organic matter or compost can enhance the soil's nutrient profile, supporting overall plant vitality. More About Soil→

How to Fertilize European mountain-ash?

Fertilizer type: Balanced

When fertilizing Sorbus aucuparia, it's crucial to apply a balanced fertilizer, using about 50 to 100 grams per young tree, and adjusting upwards as the tree matures. The nutrient ratio should ideally be about 10-10-10 (NPK). Ensure the application is spread evenly around the drip line, avoiding contact with the trunk to prevent damage. More About Fertilizing Techniques→

How to Prune European mountain-ash?

Pruning Time: Winter

Begin by removing any dead, damaged, or diseased branches to maintain the tree's health. Cut back branches that cross each other to prevent rubbing and create an open canopy that allows sunlight and air to circulate freely, which reduces disease risk. During the dormant season, select a strong leader and remove competing shoots that may lead to structural problems. This practice encourages a singular upward growth, producing a robust and aesthetically pleasing framework for the tree. More About Pruning Techniques→

How to Propagate European mountain-ash plant?

Propagate Time: Early spring, Late spring

Begin with stratification, which involves soaking the Sorbus aucuparia seeds in water for 24 hours and then chilling them in a refrigerator for about 2 to 3 months.

After stratification, sow the seeds in a well-draining potting mix in seed trays. Lightly cover them with soil and keep the trays in a warm, bright location.

For cutting propagation, take semi-hardwood cuttings from the parent tree in early spring. Ensure that each cutting is about 10 cm long and remove leaves from the lower half.

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How to Repot European mountain-ash plant?

Repotting frequency: Every 2-3 years

The perfect time to repot Sorbus aucuparia is when you observe growth rate slowdown or roots peeking out from the drainage holes. These are clear indicators that the plant has outgrown its current container and needs more room to thrive.

Choose a pot that is 1-2 inches larger in diameter than the current one to accommodate growth. Opt for a pot with ample drainage holes to prevent waterlogging, which is essential for healthy root development and preventing root rot.

Select a well-drained, loamy soil mix. Such soil helps retain adequate moisture while allowing excess water to escape, promoting a balanced environment for root health and optimizing overall plant vitality.

Toxicity of European mountain-ash

Is European mountain-ash toxic to cat?

The European mountain-ash is known to possess a minor toxicity to cats. Felines are most vulnerable to poisoning when they ingest the fruit of the European mountain-ash in significant quantities. Cats that have consumed a large amount may exhibit signs of physical distress, indicating that they are not feeling well. Should ingestion be suspected, it is crucial to obtain immediate veterinary assistance. Timely intervention by a professional is essential for addressing the health concerns of a cat affected by European mountain-ash poisoning.

Is European mountain-ash toxic to dog?

The European mountain-ash should be considered mildly toxic to dogs, particularly when they consume its berries in excessive quantities. While a few berries here and there are typically harmless, ingesting large amounts can result in poisoning. Dog owners must remain alert and ensure their pets are kept away from areas abundant with European mountain-ash, especially during the harvesting season. Poisoning symptoms may manifest as gastrointestinal issues, including vomiting or diarrhea, while more severe instances could lead to additional health complications. If a dog shows signs of distress after eating parts of the European mountain-ash, it is critical to seek swift veterinary attention to address any potential risks and safeguard the animal's health.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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