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BogsHerbaceous Perennial

Lobelia cardinalis 'Chocolate Truffle'PBR

A short-lived, clump-forming perennial to 80cm with upright, leafy stems bearing shiny, lance-shaped, bronzy-brown foliage. Produces spires of vibrant red, two-lipped, tubular flowers from mid-summer to mid-autumn

Synonyms
Lobelia cardinalis 'Black Truffle'

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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 Brown Bronze
Summer Red Bronze Brown
Autumn Red Bronze Brown
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Campanulaceae
Native to GB / Ireland
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. Protect with a dry winter mulch

Propagation

Propagate by division in spring, or take bud cuttings in mid-summer

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

Cut down faded flower spikes in autumn

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to crown rot and a virus

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