Verbena bonariensis
"Purpletop vervain"
Orders placed until 29 February 2025
You can expect your order in February/March 2025
Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025
Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Description
Raise your planting scheme up a level with towering Verbena bonariensis! Bobbles of small purple flower clusters are elevated by long, sturdy but slender stalks up to 2m—it's this eye-level interest which contributes to an impressive and professional looking border. You can enjoy the height of this plant, but without having to sacrifice space because it's extremely narrow! RHS Award-winning Verbena bonariensis is a bee and butterfly magnet, drought tolerant and will bring pops of purple to your garden for most of summer. What's more, this purpletop vervain combines well with virtually anything, from dahlias to ornamental grasses.
Verbena bonariensis—common names include Argentinian vervain, South American vervain, tall verbena, clustertop vervain, pretty verbena or just purple top—on its own is very subtle. In big groups or drifts it makes a big impact, and also forms a pretty partial screen, which can be useful for front gardens. This plant loves free-draining soil, but can tolerate most soil types. You can plant Verbena bonariensis in any sunny border or a gravel area, it's a great choice for coastal gardens in particular and returns every year when it's happy in its spot.
This purple top vervain plant is also known under the names: Verbena bonariensis 'Buenos Aires', Verbena patagonica, and Verbena brasiliensis.
Key features
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Good for cutting
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Perfect for pots
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Comes back every year
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Fragrant
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Loved by pollinators
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Thrives well in full sun
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In peat-free compost
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Low maintenance
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RHS Award (AGM)
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Drought tolerant
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Fully hardy
Specs & details
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Botanical name
Verbena bonariensis
V. bonariensis 'Buenos Aires'
Verbena patagonica
Verbena brasiliensis -
Flower colour
Purple, violet
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Plant size
1
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Established height
1.5-2m
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Established spread
30-50cm
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Plant spacing
5 plants per m2
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Leaf colour
Green
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Habit
Upright
Clump-forming -
Life cycle
Short-lived perennial
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Hardiness
Fully hardy
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Years to establish
1st year
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Sunlight
Full sun
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Position
Sheltered
Exposed -
Suitable for
Borders
Coastal gardens
Cut flower gardens
Pots
Large containers
Gravel gardens
Low maintenance gardens
Wildlife gardens -
Soil acidity
Any
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Soil moisture
Free draining
Dry -
Soil type
Clay
Loam
Sandy
Multipurpose compost
Loam-based compost -
Growing skill
Easy to grow
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Scented
Yes
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Pollinator-friendly
Yes
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Mouse resistant
No
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Rabbit resistant
No
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Deer resistant
No
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Toxicity
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Verbena bonariensis roots in water for 3-6 hours prior to planting
Plant your "Purpletop vervain" bare roots into temporary pots with a multipurpose compost in spring and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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Orders placed until 29 February 2025
You can expect your order in February/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
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