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Annual BiennialConservatory Greenhouse
Isotoma axillaris 'Blue Star'
blue star creeper 'Blue Star'
A bushy perennial to 30cm, with coarsely toothed or lobed leaves and star-shaped, sky blue flowers 4cm across, from late spring to autumn
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue | Green | ||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | Blue | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Campanulaceae
- Native to the UK
- 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
Unresolved
How to grow
Cultivation
Grow as summer bedding or container plant either on patio or under glass. Any well-drained soil in full sun is suitable
Propagation
Propagate by seed or softwood cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Patio and container plants
- Flower borders and beds
Pruning
Deadhead and trim as required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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