Mirabilis viscosa 'Exotic Dreams'

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<em>Mirabilis</em> <em>viscosa</em> 'Exotic Dreams' RHS
Annual Biennial Herbaceous Perennial

A fast-growing variety producing blue to green leaves and showy spikes of bright purple flowers from summer until autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–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
Nyctaginaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling
Genus
Mirabilis can be annuals or tuberous perennials, with paired, ovate leaves and trumpet-shaped flowers in clusters in the leaf axils
Name Status
Unresolved

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun. Shelter from cold, drying winds and provide a dry mulch in winter to protect from excessive winter wet. Alternatively, grow in a container and keep outside over the summer and overwinter

Propagation

Propagate by seed in early spring, germinate at 13-18°C. Propagate by division of tubers in spring

Suggested planting locations and garden types

  • Patio and container plants
  • Flower borders and beds

Pruning

Cut back prior to lifting tubers

Pests

May be susceptible to aphids and slugs

Diseases

Generally disease-free