Watering blackthorn, blackthorn

• Blackthorn origin
• Blackthorn care and location
• Cutting blackthorn
• Fertilizing blackthorn
• Watering blackthorn

Blackthorn origin

The blackthorn (Prunus spinosa), also called sloe, sour plum or blackthorn, is a plant species from the plum genus and belongs to the rose family. It is native to Europe, North Africa and Asia and reaches a height of 2 to 5 m. The blackthorn is a shrub or small tree and can reach an age of up to 100 years.

Blackthorn is considered very robust and long-lived, growing in many different soil types and climates. It is a typical shrub for hedges, thickets, or forest edges. 
The flowers of the blackthorn appear before the leaves emerge in March/April and are white. They are five-petaled, hermaphroditic with a double perianth, and radially symmetrical.
The blackthorn has green, ovate to oblong leaves that are smooth and matte. They are arranged alternately on the branches and have serrated edges. The leaves of the blackthorn are 2 to 5 cm long and 1 to 2 cm wide.
The fruits ripen in autumn and are usually harvested after the first frost, as they then lose their bitter flavor. These fruits are edible and are often used in cooking, for example, to make jam or liqueur.

In folklore and traditional medicine, blackthorn has been used for centuries to treat digestive disorders and inflammation. It is also often used in herbal medicine to boost immunity and improve circulation.

Blackthorn care and location

Blackthorn prefers a sunny to partially shaded location with well-drained soil that should be dry to moist. It thrives in sandy or loamy soil. The best time to plant blackthorn is in autumn or spring.

Cutting blackthorn

A regular Video editing Pruning is generally not necessary for blackthorn, but can be useful to keep the plant healthy and limit excessive spreading.

A rejuvenation pruning should not be carried out annually, but only at longer intervals. This involves removing older, heavily woody shoots to make room for new growth. Such a treatment strongly stimulates growth and should preferably be done... in late winter before bud break.

Blackthorn only requires pruning for established hedges or formally trained shrubs. It should be done after flowering or in late summer and only moderately. Pruning should be avoided during the bird breeding season.

The Maintenance pruning serves to remove dead, damaged, or diseased branches. This can be done as needed, but always in compliance with legal pruning seasons and preferably outside the growing season.

Fertilizing blackthorn

The blackthorn usually does not require additional fertilizationIt is an undemanding plant and can thrive in most soils. However, if the soil is particularly poor in nutrients, an organic fertilizer such as horn shavings or compost should be applied to the soil in spring and lightly worked in.
To avoid over-fertilizing the blackthorn, it is advisable to first analyze the soil for its nutrient content.

Watering blackthorn

Blackthorn prefers dry conditions and therefore usually requires less water than other plants. However, care should be taken to keep the soil moist during the first year of planting to encourage root growth. In subsequent years, blackthorn usually rarely requires additional water. Overwatering can damage the blackthorn's roots and should therefore be avoided.

Due to climate change, our regions are getting hotter and hotter, resulting in longer dry periods. This has an impact on the environment and especially on trees. The increasing dryness and rising temperatures are causing stress in trees. Depending on the location and the climate situation, more frequent watering may be necessary than in previous years.

A better way to water blackthorn is with the help of tree bath watering bagsThe bags release water evenly over several hours as drip irrigation to the tree, allowing the roots to absorb the moisture well. In the first few weeks after planting, the soil should be kept moist to encourage root growth. After rooting, the blackthorn usually rarely needs additional water, but watering may be necessary during longer dry periods. The soil should not be kept constantly moist, as the blackthorn develops roots better in dry conditions and is more resistant to fungal diseases.