Nicotiana alata 'Grandiflora'

RHS Plant Profile
jasmine tobacco 'Grandiflora'

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Other common names

sweet-scented tobacco plant, tuberose-flowered tobacco plant

Synonyms

Nicotiana alata grandiflora

Plants for pollinators
Bedding Herbaceous Perennial
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A short-lived perennial to a height of 1.5m, with spoon-shaped dark green leaves, large at the base, becoming smaller higher up. Throughout summer and into autumn, tubular creamy-white flowers with funnel-shaped mouths appear and are highly scented at night

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
1-1.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline 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

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Solanaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Harmful if eatenavoid skin contact. Wear gloves and other protective equipment when handling. Pets (dogs): Harmful if eatenavoid skin contact. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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
Name Status
Accepted

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

  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Bedding
  • Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to aphids, glasshouse leafhoppers and glasshouse whitefly

Diseases

May be susceptible to grey moulds and to virus diseases