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Herbaceous Perennial

Lobelia × speciosa Starship Blue ('Pas1302712') (Starship Series)

A compact upright, clump-forming bushy perennial with narrow, fresh green foliage, serrated at the edges, and tall stems of deep purple-blue flowers appearing from mid to late summer

Synonyms
Lobelia × speciosa 'Pas1302712'
Lobelia × speciosa 'Starship Blue' (Starship Series)

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green Purple Blue
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical 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

Trade

How to grow

Cultivation

Grow in deep, fertile, reliably moist soil such as a bog garden in full sun or partial shade. Protect with a dry winter mulch; can be short-lived

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Cut flowers
  • Flower borders and beds
Pruning

Cut down faded flower spikes in autumn

Pests

May be susceptible to slugs

Diseases

May be susceptible to crown rot and a virus

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