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Helichrysum petiolare AGM

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© RHS 1989

Characteristics

Plant type

Bedding or Herbaceous Perennial

Habit

Trailing

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Flower

White in Spring and Summer

Foliage

Green and Grey/Silver in Autumn, Spring, Summer and Winter

Stem

White in

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

1-2 years


Preferred common name

liquorice plant

Family

Asteraceae


Helichrysum can be annuals, herbaceous or evergreen perennials or shrubs, usually with grey-hairy foliage and papery everlasting flower-heads

H. petiolare is a trailing sub-shrub to 45cm in height, with white stems bearing broadly ovate, grey-hairy, evergreen leaves, and small dull white flowerheads on erect stems in late summer and autumn

Synonym(s)

  • Helichrysum petiolatum misapplied

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or East-facing
  • Sheltered

Cultivation

Grow in moderately fertile, well-drained soil in full sun. Water in prolonged dry spells

Soil

  • Well-drained or Moist but well-drained
  • Acid, Neutral or Alkaline
  • Loam, Clay or Sand

Propagation

Take softwood cuttings from the ends of non-flowering shoots in late summer or softwood cuttings in spring

Suggested planting locations and garden types

City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Mediterranean Climate Plants or Patio/Container Plants


How to care

Pruning

Trim as required

Pests

Generally pest free

Diseases

Generally disease free