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Annual BiennialBedding

Lobelia erinus Hot Waterblue Improved ('Weslowat') (Hot Series)

lobelia [Hot Waterblue Improved]

A compact, deciduous annual with trailing stems of green foliage and masses of delicate blue flowers which appear throughout the summer. Perfect for hanging baskets and containers

Synonyms
Lobelia erinus 'Weslowat'
Lobelia erinus Hot Water Blue

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

East–facing or North–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H2
Botanical details
Family
Campanulaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy, 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

Trade

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 cuttings

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • hanging basket
  • Patio and container plants
  • Bedding
  • Flower borders and beds
Pruning

Remove after flowering ceases in autumn

Pests

May be susceptible to slugs

Diseases

Generally disease-free

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