Alnus nitida is a deciduous Tree growing to 30 m (98ft 5in).
It is hardy to zone 7. It is in flower in September. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Wind.It can fix Nitrogen.
Suitable for: medium (loamy) and heavy (clay) soils and can grow in heavy clay and nutritionally poor soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry moist or wet soil.
A decoction of the bark is applied externally to treat swellings and body pains.
Tannin is obtained from the bark, it is used in dyeing. Wood - soft, even grained, hard to cut. Used for construction and furniture.
Genus - Alnus
Species - Nitada
Common name - Nitada Alder
Pre-Treatment - Required
Hardiness zones - 7 - 8
Height - 30 m (98ft 5in)
Plant type - Medium Tree
Vegetation type - Deciduous
Exposure - Full Sun, Partial Sun
Growth rate - Fast
Soil PH - Acidic, Neutral
Soil type - Clay, Loam, Sand
Water requirements - Average Water
Landscape uses - Feature Plant, Shade Trees, Street Trees
Bloom season - Early Spring
Leaf / Flower color - Green / --
Seeds of alder requires 30-60 days cold moist stratification for best germination.
Stratification/ cold treatment: mix together equal amounts of sand and peat in a small container and moisten it with a little water. Mix the seeds in the medium and place it in the fridge at 40 degrees Fahrenheit (+2-+4C). Keep the medium moist throughout the stratification period.
After stratification sow on surface, keep moist at room temperature in the light place.