Purple top (Verbena bonariensis) is a perennial plant that can grow 1.5m – 3m tall and 10cm – 50cm wide.
This plant has several common names including: purple top, Argentinian vervain, South American vervain or tall verbena.
This is a deciduous plant that takes 2-5 years to reach full maturity.
Plant profile
Common name: purple top, Argentinian vervain, South American vervain, tall verbena
Scientific name: Verbena bonariensis
Plant type: Perennials
Habit: Columnar / Upright
Height: 1.5m – 3m
Spread: 10cm – 50cm
Foliage: Deciduous
Sunlight: Full Sun
Soil: Chalk, Clay, Loam, Sand
Moisture: Moist but well drained, Well drained
Garden type: City & Courtyard Gardens, Coastal, Informal Garden, Rock & Gravel Garden, Wildflower meadow
Planting type: Flower borders and bedding, Wall-side Borders
Other characteristics: Plants for pollinators, RHS Award of Garden Merit
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Purple top (Verbena bonariensis) – frank wouters, CC BY 2.0, via Wikimedia Commons
Cultivation profiles – Growing Purple top (Verbena bonariensis) – Karelj, CC BY-SA 3.0, via Wikimedia Commons
