Sagebud

European Alder (Alnus glutinosa)

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Alnus Glutinosa, or more commonly know as European Alder, is a tree with green foliage of the genus Alnus. It has a rapid growth rate and a height of 60 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during mid spring and is intolerant of shade. Alnus Glutinosa or European Alder's floral region is North America US Lower 48, specifically in the states of Connecticut, Delaware, Iowa, Illinois, Indiana, Massachusetts, Michigan, Minnesota, Missouri, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Vermont and Wisconsin.

Category: Dicot
Genus: Alnus
Family: Betulaceae
Order: Fagales
Class: Magnoliopsida
Division: Magnoliophyta
Duration: Perennial
Growth Habit: Tree
Native Status: L48 (I) CAN (I)
PLANTS Invasive Status: SEEPPC WI
National Wetland Indicator Status: FACW-
Regional Wetland Indicator Status: 1(FACW-) 2(NI) 3(FACW-)
Active Growth Period: Spring and Summer
Allelopath: No
Bloat: None
C:N Ratio: High
Coppice Potential: No
Fall Conspicuous: No
Fire Resistance: No
Flower Conspicuous: No
Foliage Color: Green
Foliage Porosity Summer: Moderate
Foliage Porosity Winter: Porous
Foliage Texture: Medium
Fruit/Seed Color: Brown
Fruit/Seed Conspicuous: No
Growth Form: Multiple Stem
Growth Rate: Rapid
Height at 20 Years Maximum (feet): 40
Height Mature (feet): 60
Leaf Retention: No
Lifespan: Moderate
Low Growing Grass: No
Nitrogen Fixation: Medium
Resprout Ability: Yes
Shape and Orientation: Erect
Toxicity: None
Adapted to Coarse Textured Soils: Yes
Adapted to Fine Textured Soils: Yes
Adapted to Medium Textured Soils: Yes
Anaerobic Tolerance: None
CaCO3 Tolerance: Low
Cold Stratification Required: Yes
Drought Tolerance: High
Fertility Requirement: Low
Fire Tolerance: Low
Frost Free Days Minimum: 130
Hedge Tolerance: Low
Moisture Use: Medium
pH (Minimum): 4.5
pH (Maximum): 8
Planting Density per Acre Minimum: 145
Planting Density per Acre Maximum: 1200
Precipitation (Minimum): 28
Precipitation (Maximum): 65
Root Depth Minimum (inches): 16
Salinity Tolerance: Low
Shade Tolerance: Intolerant
Temperature Minimum (°F): -28
Bloom Period: Mid Spring
Commercial Availability: Routinely Available
Fruit/Seed Abundance: Low
Fruit/Seed Period Begin: Summer
Fruit/Seed Period End: Fall
Fruit/Seed Persistence: Yes
Propagated by Bare Root: Yes
Propagated by Bulbs: No
Propagated by Container: Yes
Propagated by Corms: No
Propagated by Cuttings: No
Propagated by Seed: Yes
Propagated by Sod: No
Propagated by Sprigs: No
Propagated by Tubers: No
Seed per Pound: 325000
Seed Spread Rate: Slow
Seedling Vigor: Low
Small Grain: No
Vegetative Spread Rate: None

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European Alder (Alnus glutinosa)

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