Lysimachia vulgaris. Getty Images

Lysimachia vulgaris

  • Botanical name: Lysimachia vulgaris
  • Family: Primulaceae
  • Plant Type: Perennial
Flower colour:

Yellow

Foliage colour:

Green

Lysimachia vulgaris (yellow loosestrife) is a perennial wildflower, with hairy green leaves and clusters of bright yellow summer flowers. It does best in boggy soils such as the edge of ponds, and is considered a marginal plant. It spreads by creeping rhizomes and can be invasive – in countries where it has been introduced, including North America, it’s considered a problem plant.

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Despite having similar common names, yellow loosestrife is not closely related to purple loosestrife. However, it is closely related to another plant called yellow loosestrife, Lysimachia punctata, which is similar looking but has its flowers arranged in terminal clusters (at the top of the stem), is more tolerant of dry soil and is considered less invasive.

The name “Loosestrife” literally means to “lose strife”. Plants in the genus are said to have calming properties, and are named after King Lysimachus, the King of Macedonia, who fed ‘loosestrife’ plants to his cows when they became agitated. Loosetrifes were also hung around the necks of cows to deter flying insects, and were also brought into homes and burned to get rid of infestations of flies.

Today, yellow loosestrife is an excellent wildlife plant, and is particularly favoured by the yellow loosestrife bee (Macropis europaea). This solitary bee visits yellow loosestrife for its pollen but also its floral oils, which it uses to waterproof its nest cells.

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Grow Lysimachia vulgaris in damp soil such as at the pond edge. Cut back after flowering.

How to grow Lysimachia vulgaris

  • Plant size

    100cm height

    100cm spread

  • Aspect

    South facing, east facing, west facing

  • Position in border

    Middle

  • Sun exposure: Dappled shade, full sun, partial shade

Lysimachia vulgaris and wildlife

Lysimachia vulgaris is known for attracting bees.

Attractive to Bees

Does not attract Beneficial insects

Does not attract Birds

Does not attract Butterflies​/​Moths

Does not attract Other pollinators

Is Lysimachia vulgaris poisonous?

Lysimachia vulgaris has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People