Green alder
Green alder
Alnus viridis
tree☀️ full-sun🪴 moist-loam📏 small🌡️ RHS H7
📋Quick Facts
Height
4.0-6.0m
Spread
3.5-5.0m
Care Level
👍 Moderate
Some experience helpful
Water
💧💧 Average watering
About
Cold-hardy nitrogen fixer for alpine or northerly soils.
Top tip
Green alder is hardy and shrubby; ideal as a nitrogen-fixing pioneer in cold or upland gardens.
Also known as: Groene els, Aulne vert, Aliso verde, Green alder, Ontano verde, Amieiro-verde, Alnus viridis, Grünerle
Pest Resilience
4/5 — Good resilience
Few pest problems; a tough pioneer species in upland areas.
Visual Characteristics
🌲
Cones
Produces cones
The green alder year in your garden
Dispatching imaginary bots to check your garden out...
What to do now
How to Propagate
🌰Seed
Easy✂️Cutting
Moderate🌿Layering
Moderate🌱Root division
Moderate🔗Grafting
AdvancedHardiness Zones
H1a (tender)H7 (very hardy)
RHS H7
USDA 4–5 equivalent