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Herbaceous Perennial
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Bronze Green | |||
|---|---|---|---|---|
| Summer | Purple | Bronze Green | ||
| Autumn | Purple | Bronze Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
North–facing or West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Campanulaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling
- Genus
Lobelia can be annuals, perennials or shrubs, with simple leaves and showy 2-lipped flowers that may be solitary or in racemes or panicles
- Name status
Accepted
How to grow
Cultivation
Grow in deep, fertile, reliably moist soil in full sun or partial shade. Feed with a balanced liquid fertiliser every two weeks until mid-summer and a low nitrogen fertiliser from then on
Propagation
Propagate by seed sown at 15-18°C in late winter, or propagate by division in spring
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- City and courtyard gardens
- Flower borders and beds
Pruning
Cut back after flowering
Pests
May be susceptible to slugs
Diseases
Generally disease-free
Get involved
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