Nemesia 'Saint George'

RHS Plant Profile
nemesia 'Saint George'

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nemesia 'Saint George' RHS
Annual Biennial Bedding

A bushy, half-hardy annual with dark green foliage and masses of bicolor red and white flowers from midsummer through until the autumn

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
East–facing or 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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Scrophulariaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Nemesia can be annuals, perennials or sub-shrubs of bushy habit, with simple, opposite leaves and 2-lipped flowers in short racemes or solitary in the leaf axils
Name Status
Unresolved

How to Grow

Cultivation

Grow in moist but well-drained, fertile, ideally slightly acid, soil in full sun. Water well in dry spells to maintain flowering

Propagation

Propagate by seed, or take softwood cuttings from the ends of non-flowering shoots in late summer and overwinter in frost-free conditions or take softwood cuttings in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Bedding
  • Flower borders and beds
  • Garden edging
  • Ground cover

Pruning

Pinch out growing tips to produce bushy plants, and trim off flowering shoots when initial flowering is finished to promote more flowers

Pests

Generally pest-free but may be susceptible to aphids

Diseases

Generally disease-free, but may be susceptible to foot and root rots in wet soils