Helichrysum splendidum

RHS Plant Profile

everlasting

Dorling Kindersley 2003

Synonyms

Helichrysum alveolatum
Helichrysum trilineatum misapplied

Shrubs

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A small, bushy, rounded evergreen shrub with white shoots and narrowly oblong, silvery-grey leaves. Small bright yellow 'everlasting' flowerheads in clusters in late summer and autumn

Position

Full sun

Soil Types

Chalk, Loam

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Helichrysum can be annuals, herbaceous or evergreen perennials or shrubs, usually with grey-hairy foliage and papery everlasting flower-heads
Name Status: Correct

How to Grow

Cultivation

Grow in a poor to moderately fertile, well-drained, neutral to alkaline soil in full sun. Protect from winter wet and cold dry winds

Propagation

Propagate by rooting semi-hardwood cuttings of shrubby species in summer and overwinter in frost-free conditions

Suggested planting locations and garden types

Gravel garden
Rock garden
City and courtyard gardens
Coastal
Cottage and informal garden
Mediterranean climate plants
Flower borders and beds
Banks and slopes

Pruning

Pruning group 10 in spring

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. May also be susceptible to downy mildews and powdery mildews