Red alder
4
4
7Will it grow where I live?
Red alder is hardy to zone 6, which covers nearly all of Central Europe and the British Isles; only harsh upland sites (Alps, high ridges) call for winter protection.
Or check it for your location right here:
Profile
- Family
- Betulaceae
- Habit
- Tree
- Height
- 25 m
- Spread
- 6 m
- Growth
- very fast
- Lifespan
- 60 years
- First yield
- after 5 years
- Hardiness
- zone 6–8
- Shade tolerance
- partial shade
- Soil
- Silt, Loam
- Soil moisture
- moist – very wet
- pH
- 5 – 7
Uses
Frequently asked questions
Red alder: how big does it get?
Red alder (Alnus rubra) grows as a Tree and reaches roughly 25 m in height when mature, with a spread of about 6 m. Growth is very fast.
Red alder: what site does it need?
Red alder tolerates partial shade. Suitable soils are Silt, Loam. Soil moisture should be in the range moist – very wet. The pH may lie between 5 and 7.
Red alder: is it hardy?
Red alder is listed as hardy in zone 6–8 and survives normal winters outdoors there.
Red alder: will it grow in Central Europe?
Red alder is hardy to zone 6, which covers nearly all of Central Europe and the British Isles; only harsh upland sites (Alps, high ridges) call for winter protection.
Red alder: is it poisonous?
No toxicity is recorded for Red alder. With wild plants, never rely on a database alone — only on a confident identification.
Red alder: what is it used for?
Rated on a scale up to 10: Edible 4/10, Medicinal 4/10, Other uses 7/10.
Plan this plant into your own garden
Permaplans plans your garden to scale on the map — with a site check, harvest calendar and over 1,000 plants. Free for iPhone, Android, Mac, Windows & Linux.
Will this plant grow where you live? → Check your site
Community experience
No first-hand reports for this plant yet.
Growing it? Write in the app what works for you – your post will show up here.
💬 Get the app and join in