Also known as European Green Alder · Montain Alder · Mountain Alder
Green Alder (Alnus alnobetula) is a fast-growing deciduous shrub or small tree native to northern temperate regions. It thrives in moist soils and is often found in wet h
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Thrives in bright light but can tolerate some shade, especially in hotter climates.
Consistent Moisture
50% intensity
Prefers well-drained soil; keep moist but not waterlogged.
Clay, Loam, Sand, Acidic, Neutral, Alkaline
50% intensity
Hardy
25% intensity
Tolerates a wide range of temperatures; suitable for USDA hardiness zones 2-7.
Low Maintenance
25% intensity
Does not typically require fertilization due to nitrogen fixation. Use sparingly if needed.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep the soil consistently moist, especially during the establishment phase. Avoid waterlogging, as Alnus alnobetula prefers well-drained conditions.
Water deeply when the top few centimeters of soil feel dry, particularly during hot or dry periods.
Prune to remove dead, damaged, or crossing branches. Pruning is best done in late winter or early spring before new growth begins.
Shaping can be done to maintain desired form, but extensive pruning is usually not necessary for this species.
Propagation is typically done from seed, which may require stratification. Softwood or semi-hardwood cuttings can also be taken in summer and treated with rooting hormone.
Ensure cuttings are kept moist and in a humid environment.
Repotting is rarely necessary for established landscape specimens. For container-grown plants, repot every 2-3 years in early spring into a slightly larger pot with fresh, well-draining potting mix.
Ensure the root ball is not overly compacted.
Identify plants like this with ePlant AI
Snap a photo to get care tips and match similar species on the go.
Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Green Alder (Alnus alnobetula)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Alnus |
| Species | Alnus alnobetula |
Similar in genus Alnus
Answers based on plant encyclopedia data
