Hippophae rhamnoides 'Hikul' (m)

RHS Plant Profile
sea buckthorn 'Hikul'

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Synonyms

Hippophae rhamnoides 'Silver Star'

Shrubs
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Compact, deciduous, slow growing and thorny shrub that forms a neat, rounded dome of silvery foliage approximately 1.5m tall with an equal spread. It has long thin silvery-green leaves which remain until early winter. It is drought and salt-wind tolerant so is suitable for use in coastal situations. It is a male cultivar so does not produce berries.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1-1.5 metres
Max Height
1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed
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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Elaeagnaceae
Native to GB/Ireland
No
Foliage
Semi evergreen, Deciduous
Habit
Bushy
Genus
Hippophae are deciduous shrubs or small trees, with narrow, silvery leaves and inconspicuous flowers followed on female plants by orange fruits; both male and female plants must be grown for a good crop of berries
Name Status
Accepted

How to Grow

Cultivation

This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause these to grow in the wild in NORTHERN IRELAND and the REPUBLIC OF IRELAND. Gardeners possessing them should undertake measures to control them. See RHS advice on invasive non-native species for further information

Propagation

Please see cultivation notes

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility