Atriplex longipes

RHS Plant Profile
long-stalked orache

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Other common names

llygwyn hirgoes

Annual Biennial

A saltmarsh specialist, found in coastal areas. Sprawling stems carry triangular leaves and spikes of small, blobby, green flowers in late summer and early autumn

Position

Full sun

Soil Types

Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–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)
H4
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaranthaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Bushy, Columnar upright
Genus
Atriplex can be annuals, perennials, shrubs or sub-shrubs, with simple, often silvery, leaves and usually inconspicuous flowers in summer
Name Status
Correct
Plant Range
NW & N Europe

How to Grow

Cultivation

Found naturally in saltmarshes, seaside locations and salted roadsides. Tolerates salt-laden soil and winds

Propagation

Propagate by seed

Suggested planting locations and garden types

  • Coastal
  • Gravel garden

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free