Astelia 'Silver Shadow'PBR

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<em>Astelia</em> 'Silver Shadow'<sup>PBR</sup> visionspictures.com
Herbaceous Perennial
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A large, vigorous, clump-forming, evergreen perennial with pointed, silvery, spear-shaped leaves and, occasionally in mid- to late-spring, long stalks of pale yellowish-green flowers, followed by orange berries in the summer on female plants.

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

1-1.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1.5-2.5 metres
Max Height
1-1.5 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteliaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming, Bushy
Genus
Astelia are clump-forming, rhizomatous evergreen perennials with arching, linear, keeled, silvery leaves and panicles of small, pale greenish or brown flowers, followed on female plants by orange or red berries
Name Status
Accepted

How to Grow

Cultivation

Prefers a moist, but reasonably well-drained, fertile soil in full sun or partial shade, sheltered from cold winds. Provide protection during cold winters

Propagation

If necessary, divide in spring. Propagate by seed, sown in containers in a cold frame as soon as ripe

Suggested planting locations and garden types

  • Architectural
  • City and courtyard gardens
  • Coastal

Pruning

Remove or trim winter damaged foliage in the spring

Pests

Generally pest-free

Diseases

Generally disease-free