Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
Verbena bonariensis - Purple Top
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Evelyne D.
Verbena bonariensis - Purple Top
Evelyne D. • 71 FR
Catherine C.
Verbena bonariensis - Purple Top
Catherine C. • BE
Catherine C.
Verbena bonariensis - Purple Top
Catherine C. • BE
Hélène G.
Verbena bonariensis - Purple Top
Hélène G. • 34 FR
Verbena bonariensis - Purple Top
Verbena bonariensis
Purple Top, Argentinean Vervain, Pretty Verbena, Clustertop Vervain
The plants arrived in excellent condition. I was able to plant them quickly. They are growing well, and I will have a beautiful season of flowers.
Cécile, 05/06/2026
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Description
Verbena bonariensis, also known as Buenos Aires verbena, bursts into bloom in the sun under a procession of colourful butterflies. This tall and uncomplicated perennial plant is a graceful wanderer with a light footprint, its flower panicles in shades of violet giving off an "airy" appearance. It brings a sense of lightness to its companion plants. Blooming from late spring to autumn, it has a relatively short lifespan and is moderately hardy, but readily self-seeds in light, even poor and dry soil, in full sun.
Buenos Aires verbena is from the verbenaceae family, native to South America from Brazil to Argentina. When in bloom, the plant can easily reach a height of 1.20 m (3 ft 11 in), with foliage measuring 20 to 30 cm (7.9 - 11.8 in) and a width of 50 cm (19.7 in). Its basal leaves are green, elongated, with toothed edges, and more or less evergreen depending on the winter cold. In late spring, vigorous square stems with a rough texture shoot towards the sky, branching out at the top. They bear numerous rounded inflorescences, in compound panicles made up of many tiny, tubular, fragrant flowers ranging from mauve to purple, attracting many pollinating insects. Flowering continues until October, with a period of rest in July when drought is too intense. The lifespan of this verbena is relatively short, but it produces many seeds that easily germinate in light soil.
Like a light curtain, Buenos Aires verbena filters the view and adds depth to flowerbeds. Easy to grow if in full sun, perennial and relatively hardy, it is stunning in a natural garden alongside gauras, viper's bugloss, evening primroses, mugworts or yarrows. It can also be used to lighten up a bed dominated by large flowers such as dahlias or tree peonies. You can also grow it in a large pot to fully enjoy its long flowering period.
Verbena bonariensis - Purple Top in pictures
Flowering
Foliage
Plant habit
Botanical data
Verbena
bonariensis
Verbenaceae
Purple Top, Argentinean Vervain, Pretty Verbena, Clustertop Vervain
Central America
Planting and care
Install Verbena bonariensis in a sunny position in well-drained soil, even limestone, but soft and deep, moist to dry in summer. It doesn't like standing water in winter, and heavy soils. Very long flowering period from summer until the first frost. Prune plants after flowering if you want to prevent wild self-seeding! In cold regions it is advisable to mulch in winter, even if the stump regrows in spring. For pot cultivation, provide organic fertiliser once or twice a year and water regularly during the growing season.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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