Gomphostigma virgatum 'White Candy'

RHS Plant Profile

otter bush 'White Candy'

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Shrubs

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An evergreen shrub to 2.5m with stiff silvery-grey stems and small, narrow, silvery, willow-like leaves. Small, white flowers are produced in graceful sprays over a long period from early summer to mid-autumn

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Clay Loam

Moisture: Moist but well–drained or Poorly–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or North–facing or South–facing or West–facing
Exposure: Exposed or 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: Scrophulariaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Gomphostigma are evergreen shrubs with narrow, stemless leaves and small, white, four-petalled flowers in small clusters
Name Status: Accepted

How to Grow

Cultivation

olerates most positions but does best in moist, heavy soil in full sun

Propagation

Propagate by semi-hardwood cuttings or by layering

Suggested planting locations and garden types

Cottage and informal garden
Cut flowers
Flower borders and beds

Pruning

Pruning group 6

Pests

Generally pest-free

Diseases

Generally disease-free