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Annual BiennialConservatory Greenhouse
Isotoma axillaris
blue star creeper
An evergreen, tender perennial often grown as an annual, to 40cm tall and wide, with lobed leaves. The blue, star-shaped flowers are up to 3cm in diameter and borne from late spring into summer
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 | Green | |||
| 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
Correct
- Plant range
- Australia
How to grow
Cultivation
Grow in any moist, free-draining soil in full sun
Propagation
Propagate by seed or from 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
Get involved
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