Also known as Alder
Andean Alder (Alnus acuminata) is a fast-growing tree native to the Andes, known for its nitrogen-fixing abilities and use in erosion control.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
50% intensity
Prefers sunny locations but tolerates some shade.
Moderate to High
75% intensity
Keep soil consistently moist, avoid waterlogging.
Loam
50% intensity
Moderate
50% intensity
Hardy in temperate climates, prefers cooler conditions.
Low
25% intensity
Light feeding in spring, nitrogen-fixing reduces need.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Alnus acuminata prefers consistent moisture. Water regularly, especially during dry spells, ensuring the soil remains moist but not waterlogged.
Reduce watering slightly in cooler months but do not allow the soil to dry out completely. Good drainage is crucial to prevent root rot.
Prune to shape the tree, remove dead or diseased branches, and improve structure. The best time for major pruning is late winter or early spring before new growth begins.
Light trimming can be done in summer to manage size and shape, removing water sprouts.
Propagation is typically done by seed, sown in autumn or early spring. Semi-hardwood cuttings can also be taken in summer and treated with rooting hormone. Grafting is another method, usually performed in late winter.
Stratification may be beneficial for seeds.
Young plants may benefit from repotting every 1-2 years to provide fresh soil and more space for root growth. Mature trees typically do not require repotting. Ensure the new pot has adequate drainage.
Repot in early spring before active growth begins.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Andean Alder (Alnus acuminata)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Betulaceae |
| Genus | Alnus |
| Species | Alnus acuminata |
Similar in genus Alnus
Answers based on plant encyclopedia data
