Isotoma axillaris Fizz 'n' Pop Glowing Purple ('Tmlu 1301')

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blue star creeper [Fizz 'n' Pop Glowing Purple]

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blue star creeper [Fizz 'n' Pop Glowing Purple] RHS
blue star creeper [Fizz 'n' Pop Glowing Purple] RHS

Synonyms

Isotoma axillaris 'Tmlu 1301'

Conservatory Greenhouse Annual Biennial
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A compact, tender, evergreen perennial often grown as an annual to 30cm tall and wide. Relatively large purple, star-shaped flowers to 3.8cm across with small yellow eyes are borne from late spring until the first frosts above the coarsely-lobed foliage

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or 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
Campanulaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Skin irritant. Wear gloves and other protective equipment when handling
Genus
Isotoma can be annuals or perennials, with pinnately lobed leaves and long-tubed, salver-shaped flowers
Name Status
Trade

How to Grow

Cultivation

Grow in any moist, free-draining soil in full sun

Propagation

Propagate by seed or softwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds

Pruning

Deadhead and trim as required

Pests

Generally pest-free

Diseases

Generally disease-free