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Hoary vervain

English
  • Native Plants,
  • Annuals, perennials and bulbs
Photo: Frédéric Coursol

Onglets

Botany

Origin and description

Perennial native to Québec. The leaves and stem of this vervain are hairy. Its purple lavender flowers bloom successively from the bottom to the top of the spike. This plant performs best in poor soils; it is not competitive in rich soils.

This is a species likely to be designated threatened or vulnerable in Québec.

Height: 75 to 100 cm
Width: 30 cm
Blooms: purple lavender, July to September
Attractions for wildlife: attracts pollinators and butterflies

Common name

Hoary vervain

Latin name (genus)

Verbena stricta

French common name

Botanical family

  • Verbenaceae
Horticulture

Growing conditions

Exposure: sun, semi-shade
Soil type: fresh or dry, well-drained; grows best in poor soil
Observation: Self-reseeding short-lived perennial

Hardiness

  • Zone 4

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