✅ Pet-friendlyDeciduous, losing leaves in winter.150 to 300 cm
LightFull sun
WaterAbundant watering; essential in dry climates.
DifficultyMedium
ColdTolerates prolonged negative temperatures.
Full sunAbundant watering; essential in dry climates.MediumTolerates prolonged negative temperatures.
Description & origin
The Black Alder is a deciduous tree common in wet areas. It is known for its ability to fix nitrogen in the soil, improving its fertility.
Size
Can reach up to 3 meters in domestic cultivation.
Foliage
Deciduous leaves that fall in autumn.
Flowering
This species does not produce flowers in domestic cultivation.
Detailed care
Light
Prefers full sun for optimal growth.
Soil
Adapts well to moist, nutrient-rich soils.
Watering
Requires abundant watering, especially in dry climates.
Temperature
Handles cold well, being frost-resistant.
Fertilising
Does not require frequent fertilization due to its nitrogen-fixing ability.
Repotting
Transplant in spring when the soil is moist.
Pruning
Prune in late winter to remove dead branches.
Propagation
Easily propagated by seeds or cuttings.
Common problems
Root rot
Occurs in poorly drained soils, causing root decay.
Aphids
Can infest leaves, sucking sap and weakening the plant.
Rust
Fungal disease causing spots on leaves.
Uses & curiosities
In the garden
- Soil stabilization
- Land reclamation
- Shade creation
Other uses
Used in environmental restoration projects.
Did you know…
The Black Alder is often used in land reclamation projects due to its soil-stabilizing capabilities.