Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Betulaceae

Genus:

Alnus

Species:

Alnus pendula

USDA Symbol:

ALPE10

Growth Characteristics

Height:

1500 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

mar,apr

Keystone Species Ranking

Caterpillar Keystone:

★★★★★ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

birds, small mammals

Fall Color:

yellow

Soil Requirements

Soil Type:

moist, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

prefers riparian zones and wetland edges

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination and should be surface-sown. Fresh seed germinates best.

The above propagation data sourced from Claude AI