ASTELIA 'Silver Shadow'

Vigorous clump-forming variety with large silvery spear-shaped leaves. More silvery and larger growing than A. 'Silver Spear'
Further Reading....
  • Evergreen
    Arching, silver-scaly leaves to 1m(39in) long
  • Height
    1m (39in)
  • Spread
    1m (39in)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Clump-forming perennial. Produces long-stalked flowers
  • Half hardy - unheated greenhouse / mild winter
    Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Full sun
  • Partial shade

ASTELIA 'Silver Shadow'

 
Available late spring to early summer 2025 - Spring according to the Met Office is defined as March 1st - May 31st. Therefore late spring is mid-April onwards. This is not a guaranteed date but an estimate and subject to availability.
£16.50 each 
Delivery Information Available late spring to early summer 2025
plant size comparison icon 1.5 to 2 Litre
Click to see photo
  • Additional Features
    Pests & Diseases
    None
    Place of origin
    New Zealand
  • Flower Shape
    Panicles
    Open panicles
  • Garden Location/Conditions
    Australian / New Zealand
  • Hardiness
    Frost hardy (down to -5)
  • Leaf Colour (if not green)
    Silver
  • Leaf margin
    Entire
    		(see photos above)
  • Leaf shape
    Linear
    		(see photos above)
  • Seasonal Interest
    Autumn
    Spring
    Summer
    Winter
  • Soil Conditions
    Fertile moist well-drained soil
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Astelia - Growing Guide
1m (39in)
 Medium Shrub - guide for size not form Watering Can
  1m (39in)
  

Useful extras...

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00

Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00

Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00

Vermin & Pest Control
Slug Pellets
Slug killer blue mini pellets are easy to use and give effective control of slugs and snails. Ideal in garden, conservatory or greenhouse.
Only £6.50

Fertilisers & Feeds - Empathy
Wildflower Mini Meadow
Creates a mini-meadow for attracting bees, butterflies and bugs to your garden. 200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
2 options from £7.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

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