Verbena bonariensis

Verbena bonariensis

Argentinian vervain

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Key Information

  • Botanical name: Verbena bonariensis
  • Common name: Argentinian vervain
  • Plant type: Perennial

Height: 1.5m

Spread: 45cm

Flower colour:
  • Purple
Foliage colour:
  • Green
  • Features: Attractive to wildlife, Flowers

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Verbena bonariensis has tall, narrow, sparsely-leafed stems on top of which flattened heads of bright lavender-purple flowers appear in late-summer. It's perfect for bringing height to an ornamental border and also works well in prairie-style plating schemes with ornamental grasses. It's a superb butterfly plant, rivalling even buddleja.

Grow Verbena bonariensis in moist but well-drained soil in full sun. Given the right conditions, plants will self-seed freely, but in colder regions they may need protection from frost. Leave dead stalks to provide winter interest and mulch annually with well-rotted manure or compost. The Royal Horticultural Society has given it its Award of Garden Merit.

Position

  • Sun exposure: Full sun
  • Aspect: South facing, West facing
  • Position in border: Middle, Back
  • Hardiness: Half hardy
  • Maintenance: Prefers rich soil
  • Soil type: Well drained/light/sandy, Clay/heavy/moist, Chalky/alkaline

Wildlife

Attracts:
  • Bees

  • Beneficial insects

  • Birds

  • Butterflies / Moths

  • Other pollinators

  • Wildlife features: Nectar/pollen rich flowers, Seeds for birds

Care routine

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Toxicity

Toxic to:
  • People

  • Cats

  • Dogs

  • Birds

  • Horses

  • Livestock

  • Effects: No toxic effects reported for this plant.

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