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Annual BiennialBedding
Size
Ultimate height
Up to 10cmTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Loam
Sand
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | ||||
|---|---|---|---|---|
| Summer | Blue | Bronze Green | ||
| Autumn | Blue | Bronze Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H2Botanical details
- Family
- Campanulaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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. Apply a balanced fertilizer every two weeks during spring and early summer and a nitrogen free fertilizer every two weeks from mid-summer onwards
Propagation
Propagate by seed sown at 13-18°C in late winter
Suggested planting locations and garden types
- Coastal
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
- Garden edging
Pruning
Cut back after flowering
Pests
May be susceptible to slugs
Diseases
Generally disease-free
Get involved
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