Lindernia dubia

RHS Plant Profile
yellow-seeded false pimpernel

Synonyms

Ilysanthes dubia
Lindernia pyxidaria

Aquatic Bogs Herbaceous Perennial

An annual aquatic herb with upright, branching stems to around 30cm in height, and lance to oval-shaped green foliage which may or may not be toothed. Plants appear on riverbanks, tidal marshes, pond and lake margins and wet meadows in May, with their distinctive, violet-blue tubular-shaped flowers with three lower lobes appearing from June to October. This plant is already an invasive species in parts of Europe, but currently only established in one part of the UK. The Animal and Plant Health Agency (APHA) are encouraging gardeners to report sightings of this via the iRecord website at https://irecord.org.uk/ or via email to [email protected]

Size

Time to Maturity
1–2 years

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Linderniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright, Spreading branched
Genus
Name Status
Correct

How to Grow

Cultivation

This plant is already an invasive species in parts of Europe, but currently only established in one part of the UK. The Animal and Plant Health Agency (APHA) are encouraging gardeners to report sightings of this via the iRecord website at https://irecord.org.uk/ or via email to [email protected]