Blackthorn
Prunus spinosa

Blackthorn Shrub/Tree

Blackthorn shrubs/trees, 10-15 feet tall in Zones 4-8, exhibit moderate growth in well-drained soil and full sun. Known for their small, dark plums, blackthorns are used in culinary applications.


blue fruit on brown tree branch
Picture illustrating Blackthorn Shrub/Tree

Habit

Shrub/Tree

Height

3-4 m

Growth

Moderate

Soil

Well-drained loamy

Shade

Full Sun

Moisture

Moderate

Edible

Yes

Medicinal

Yes

Origin

Europe, Asia

Climatic Condition

Temperate

Temperature (°)

10-25°C

Humidity (%)

60-70%

Potting media

Loam + Sand

Fertilizers

Balanced NPK (10:10:10)

Watering

Moderate watering

Plant Weight 

300-500 g

Flowering Time

Spring to Summer

Soil Ph level

6.0-7.0

Water Ph level

6.5-7.0

Soil EC

1.0 dS/m

Yield Per Plant 

19.5-21.7 kg per tree in its 6 th year of growth

NPK ratio 

10:10:10

life Span

5-10 years

Health Benefits

Edible fruit, used in jam and liqueur

Suggested Grow Media or Potting Mix ?

50% loamy soil, 30% compost, 20% sand


Suggested Fertigation/Fertilizers

Fertilize every 2 months with a balanced fertilizer.

Common Diseases and Remedies

Brown spot,  Shot hole disease

brown patches to appear on the plant., brown spots on the leaves which eventually dry up and fall away, leaving perforations in the leaf surface.

bourdeux mixture.

pyraclostrobin. , copper-based fungicide

                  HEALTH BENEFITS

·  Blackthorn berries (sloes) are rich in vitamin C and antioxidants.

·  Used in herbal remedies for digestive issues and circulation support.

What Is An Blackthorn Tree ?

The blackthorn plant, also known as the primrose, is a deciduous shrub or small tree that is native to Europe, western Asia, and parts of Africa. It belongs to the Rosaceae family and is widely cultivated as an ornamental, and its fruits are used in the production of sloe he brandy and jam.


What Are The Different Types Of Blackthorn Plants?


1. Blackthorn

A typical wild species found in hedgerows and forests, known for its thick spiny branches and white flowers in early spring.

2. Cutleaf Blackthorn

This variety has deeply lobed leaves that give the shrub a decorative effect.

3. Hawthorn

This variety has white flowers that are especially attractive in spring.

4. Purple Leaf Blackthorn

This variety features deep purple leaves that create a striking contrast in the landscape.


How to Care Blackthorn Trees ? 


1. Location 

Plant blackthorn in a sunny or partially shaded area with well-drained soil.

2. Sunshine 

Blackthorn plants prefer full sun to partial shade for optimal growth and flowering.

3. Soil 

Grows in well-drained, slightly acidic to neutral soils.

4. Hydration 

Water newly planted blackthorn regularly to establish roots and to maintain moisture during dry periods.



5. Nourishment 

Blackthorn usually does not require much additional fertilization when planted in fertile soil, but a balanced fertilizer can be applied in the spring if desired.

6. Issues 

Watch for potential pests such as aphids, caterpillars, and diseases such as silver leaf blight and fire blight. Cut off dead or diseased branches immediately.

What are the Benefits of Blackthorn ? 

Ornamental value: The blackthorn plant is prized for its early spring flowers and colourful foliage. Flowers provide nectar for pollinators and fruits attract birds. Fruit (slaw) can be used to make sloe schnapps, jams, jellies, and other preserved foods. Various parts of the blackthorn plant are used in traditional medicine for their potential health benefits.

blue fruit on brown tree branch

FAQs About Growing Blackthorn


1. When is the best time to plant blackthorn ?

Plant blackthorn in the fall or early spring when the plant is dormant.

2. How often should I prune my blackthorn plant ?

Prune your blackthorn plant after flowering to keep it in shape and remove dead or diseased branches.

3. Do blackthorn plants need support ?

Young slow plants can benefit from support to build a strong root system, but mature plants usually do not require support.

4. Is the blackthorn plant an invasive species ?

Blackthorn can be spread through seeds, but is generally not considered invasive in most areas. However, if left unmanaged in the wild, it can form dense thickets.

Alpine Strawberry
Fragaria vesca