Helianthemum 'Henfield Brilliant'

RHS Plant Profile
rock rose 'Henfield Brilliant'
Award of Garden Merit
Shrubs Alpine Rockery

A vigorous, spreading evergreen shrub to 30cm in height, with dark grey-green leaves and single, bright orange flowers to 3cm in width in late spring and early 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
5–10 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 North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cistaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Helianthemum are bushy or spreading evergreen shrubs with small paired leaves and saucer-shaped flowers borne in short racemes in spring and early summer
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, neutral to alkaline, moist but well-drained soil in full sun. Suitable for rock garden or the front of a border, or as a groundcover on a sunny bank. This plant was included in the RHS Helianthemum (rock rose) trial 2024-2026 https://www.rhs.org.uk/plants/trials-awards/ongoing-plant-trials/helianthemum

Propagation

Propagate by softwood cuttings in late spring or early summer

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • Rock garden
  • Garden edging
  • Banks and slopes

Pruning

Pruning group 10, after flowering

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