• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Nicotiana mutabilis

colour-changing tobacco plant

  • Other common names colour-changing tobacco plant
    flowering tobacco plant

  • Family Solanaceae

  • Genus Nicotiana can be annuals, biennials, perennials or shrubs, with simple, alternate leaves and tubular or salver-shaped, often fragrant flowers borne in racemes or panicles in summer or autumn

  • Details N. mutabilis is an upright annual to 1.5m tall with a basal rosette of large, oval leaves. In summer, airy clouds of trumpet-shaped flowers are borne on branching stems changing colour as they age from white through shades of pink

  • Plant range Brazil

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Toxicity Poisonous if ingested

  • 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)

    H2

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • Chalk

    Chalk

  • Clay

    Clay

  • MoistureMoist but well-drained, Well-drained

  • SoilLoam, Chalk, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1 year

How to grow

Cultivation Grow in fertile, moist but well-drained soil in full sun or partial shade

Propagation Propagate by seed. Surface sow seeds, do not exclude light. Germinate at 18°C (64°F)

Suggested planting locations and garden types Cut Flowers Flower borders and beds Cottage & Informal Garden

How to care

Pruning No pruning required

Pests Can get aphids, leafhoppers and glasshouse whitefly

Diseases Generally trouble free

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