If you are a member Login

Joint Shoot Today

Over 40,000 have joined already!

Sign-up in just 60 seconds to browse more pages & to get other member benefits.

One Year Only

£19.99

12 Month full membership

  • Unlimited gardens
  • Unlimited plants & care
  • Unlimited browsing
  • Unlimited plant suppliers
  • Unlimited garden designs
Choose Plan

Ongoing

£18.99*

Recurring full membership

  • Unlimited gardens
  • Unlimited plants & care
  • Unlimited browsing
  • Unlimited plant suppliers
  • Unlimited garden designs
Choose Plan

* Plus £12 a year thereafter

Basic

FREE

No obligration trial

  • 1 garden
  • Up to 10 plants & care
  • Increased browsing
  • No plant suppliers
  • Trial garden designs
Choose plan

Click here for business membership options



Alnus glutinosa 'Imperialis' (Alder 'Imperialis')

Click the tabs to read more

Skill rating Beginner
skill rating
Ultimate spread 8m
max. spread
Ultimate height 15m
max. height
Time to maturity 20-50 years
to maturity
Maintenance level 1 hour care
per year

Botanical name: Alnus glutinosa 'Imperialis'

Other names: Alder 'Imperialis'


Sign up for your FREE ACCOUNT today or login to add this plant to your plants list


Genus: Alnus

Variety or cultivar: 'Imperialis' _ 'Imperialis' is an attractive, slender tree with mid-green, pinnate leaves and pale-purple flowers in winter.

Alnus glutinosa 'Imperialis' is: Deciduous

Flower: Purple in Winter

Foliage: Mid-green in Spring; Mid-green in Summer

Fruit: Brown in Summer

Tree shape: Conical, Narrowly conical

Awards: RHS AGM (Award of Garden Merit)

Companion planting: Other plants that tolerate difficult situations (e.g. pollution) include birch, hawthorn, elder and willow.

Plant with: Galanthus nivalis (Common snowdrop), Galanthus 'Bertram Anderson' (Snowdrop 'Bertram Anderson'), Narcissus 'Golden Dawn' (Daffodil 'Golden Dawn'), Narcissus 'High Society' ( Daffodil 'High Society')

Worried you won't remember?

Get personalised monthly care reminders with care how-tos specific to this plant.


Watch out for

Specific pests: Alder sucker , Leaf-mining sawflies

Specific diseases: Bark canker

General care

Propagation methods: Hardwood cuttings, Seed. REGISTER to read more...


Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions

Alnus glutinosa 'Imperialis' (Alder 'Imperialis') will reach a height of 15m and a spread of 8m after 20-50 years.


Sign up for your FREE ACCOUNT today or login to match this plant to your garden


Suggested uses: Hedging/Screens, Low Maintenance, Wildlife, Foliage only

Cultivation: Thrives in poor, wet conditions.

Suitable for your garden?
In progress indicator
This plant likes... Garden match
Soil types: Chalky, Clay, Loamy Match unknown
Soil drainage: Moist but well-drained, Well-drained Match unknown
Soil pH: Acid, Alkaline, Neutral Match unknown
Light: Full Sun Match unknown
Aspect: North, South, East, West Match unknown
Exposure: Exposed, Sheltered Match unknown
Hardiness: Hardy (H4) Match unknown

Discuss Alnus glutinosa 'Imperialis' (Alder 'Imperialis') with other Shoot members.


Sign up for your FREE ACCOUNT today or login to add a comment or question about this plant


We list 20 suppliers who tell us they sell Alnus glutinosa 'Imperialis' (Alder 'Imperialis'). In order to see the list you'll need to either register or log in as a full member.


Sign up for a FULL ACCOUNT today or login as a full member.


If you sell this plant and would like to add a link, please fill in this form.

 

What Shoot members say...

"My clients receive regular updates on maintaining their gardens from Shoot. "

Charlotte Rowe, Garden Designer, London

Sign up today
 

Gardens with this plant

My Garden
My Garden
Brian Ebbs

 

Report content or feedback to Shoot
Close panel

Add ? to your lists

To add this plant to your lists login to your account or register for a new account.

Registration is free and straightforward.

Find out more about plant lists here.


Our awards:
Follow us: