Gardenia jasminoides Pinwheel ('Piiga-I')

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Cape jasmine [Pinwheel]

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Synonyms

Gardenia augusta 'Piiga-I'

Shrubs
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A bushy, evergreen shrub to 1m tall, with glossy dark green leaves. Throughout summer it produces intensely fragrant white flowers

Position

Partial shade

Soil Types

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

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

Position

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
Rubiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Gardenia are bushy evergreen shrubs or trees, with attractive glossy leaves and large, fragrant white funnel- or bowl-shaped flowers with from 5 to 11 lobes
Name Status
Trade

How to Grow

Cultivation

Grow in neutral to acidic, humus-rich soil in a bright position with shade from hot sun. In areas with harsh winters, grow in containers of ericaceous compost so that the pots can be moved under glass during cold snaps

Propagation

Propagate by greenwood cuttings in early summer or semi-ripe cuttings in late summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Sub-tropical
  • Conservatory and greenhouse
  • Flower borders and beds

Pruning

See pruning group 9

Pests

May be susceptible to glasshouse whitefly and mealybugs

Diseases

May be susceptible to grey moulds