species

Lobelia erinus

Trailing lobelia · Edging lobelia

A scale drawing of Lobelia erinus, 20 cm tall · 20 cm across, beside a 1.7 m figure.

Scale drawing from this record, beside a 1.7 m figure.

Lobelia erinus is a annual in the family Campanulaceae, also known as Trailing lobelia or Edging lobelia, introduced to the UK. It reaches 20 cm tall and 20 cm across in about 10 years. It grows in full sun or part shade, on loam soil, where the ground is acid or neutral and in moist or well drained conditions, and suits sheltered positions. It flowers from May to September. Its RHS hardiness rating is H3 (half hardy): −5 to 1°C.

Assembled from the attributes recorded below.

What this plant needs

Size at maturity
20 cm tall × 20 cm across, after about 10 years
Hardiness
H3 (RHS)
Lifecycle
Annual
Aspect
Full sun, Part shade
Soil
Loam
Acidity
Acid, Neutral
Moisture
Moist, Well drained
Exposure
Sheltered
In the UK
Introduced

When it flowers

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

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