Annuals > Verbena > Verbena bonariensis > Verbena bonariensis
Verbena bonariensis
Purpletop Vervain, Tall Verbena, Pretty Verbena
Origin: South America.
| Family |
| Verbenaceae |
| Genus |
| Verbena |
| Species |
| bonariensis |
| Category |
| Annuals |
| USDA Hardiness Zone |
| 8b - 9a |
| Canadian Hardiness Zone |
| 8a |
| RHS Hardiness Zone |
| H4 |
| Temperature (°C) |
| -9 - (-4) |
| Temperature (°F) |
| 15 - 25 |
| Height |
| 2 m |
Photographs
Cultivars
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Awards
Description and Growing Information
Flowering Period
| General Description |
| This species is listed as locally invasive in its natural habitat. |
| Landscape |
| May become problematic in the landscape as it seeds quite readily. Plant as a pollinator to attract the Monarch, Painted Lady, Peacock, Red Admiral, Comma and Small Tortoiseshell butterflies as well as bees and hoverflies. |
| Cultivation |
| Plant in partial sun to partial shade in moist but well-drained humus-rich soil of any acidity. Protect from harsh winds. |
| Shape |
| Mat-forming. |
| Growth |
| Fast |
| Habitat |
| Horticultural origin. |
| Bark/Stem Description |
| Wiry, upright, robust flower stems that have a coating of thin, short hair-like fibres. |
| Leaf Description |
| Lanceolate, serrated unstemmed leaves that grow from flower stems. |
| Flower Description |
| Terminal inflorescences of 20 - 30 long tubular flowers approximately 3 cm long and .5 cm wide. |
| Colour Description |
| Medium green stems and leaves with white hair-like fibres. Magenta to violet blooms. |
| Texture Description |
| Soft, hairy. |
| Notable Specimens |
| Olds College, Olds, Alberta, Canada. Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand. |
| Propagation |
| Seed. |
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