Helichrysum stoechas 'Silverball'

RHS Plant Profile
shrubby everlasting 'Silverball'

Save a plant

Where do you want to save Helichrysum stoechas 'Silverball'?

Plants I own
Wishlist
Go to My Plants
Herbaceous Perennial
Buy this from Plant Nurseries
1 Suppliers

A semi-evergreen subshrub or woody-based perennial to around 40cm high, with a dense, bushy habit and linear, silvery leaves that are aromatic when crushed. Produces clusters of small yellow flowers in late summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
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)
H4

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Semi 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
Unresolved

How to Grow

Cultivation

Grow in a poor to moderately fertile, neutral to alkaline soil in full sun. Protect from cold drying winds, hard frosts and winter wet

Propagation

Propagate by semi-ripe cuttings in summer

Suggested planting locations and garden types

  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden

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