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Annual BiennialBedding
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Blue | Green | ||
---|---|---|---|---|
Summer | Blue | Green | ||
Autumn | Blue | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Campanulaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Trailing
- 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
Unresolved
How to grow
Cultivation
Grow in deep, fertile, reliably moist soil in full sun or partial shade. For best results apply a balanced fertiliser every two weeks during spring and early summer and a nitrogen-free fertiliser every two weeks from mid-summer onwards
Propagation
Propagate by seed sown at 13-18ºC in late winter
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- hanging basket
- Rock garden
- Patio and container plants
- Bedding
Pruning
No pruning required
Pests
Diseases
Generally disease-free
Get involved
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