Lobelia × speciosa 'Fan Blau' (Fan Series)
A clump-forming perennial to 60cm, sometimes grown as an annual, with upright, stems and dark green, lance-shaped leaves with serrated edges. Spires of blue-purple, two-lipped, tubular flowers are produced from mid-summer to early autumn
Synonyms
Lobelia 'Fan Blue'Lobelia × speciosa 'Fan Purple' (Fan Series)
see moreLobelia × speciosa Fan Blue
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Blue Purple | Green | ||
Autumn | Blue Purple | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Campanulaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Potentially harmful
- Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, skin irritant. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- 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
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
Pruning
Cut down faded flower spikes in autumn
Pests
Diseases
May be susceptible to crown rot
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