Purpletop Vervain
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3Will it grow where I live?
Purpletop Vervain is hardy to zone 7: lowlands, river valleys and cities across Central Europe are fine, harsher continental or upland sites need winter protection or a container.
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Profile
- Family
- Verbenaceae
- Habit
- annual
- Height
- 1.5 m
- Spread
- 1 m
- Growth
- fast
- Lifespan
- 5 years
- First yield
- after 1 year
- Hardiness
- zone 7–11
- Shade tolerance
- light shade
- Soil
- Sand, Silt, Loam
- Soil moisture
- very dry – very wet
- pH
- 6 – 8
- Synonyms
- Argentinian Vervain, Butterfly Vervain
Flowering & harvest
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flowering | ||||||||||||
| Fruit harvest |
Uses
Growing
Verbena bonariensis prefers full sun and well-drained soil. Regular, moderate watering is important; avoid waterlogging. The plant is easily propagated from seed or cuttings. To encourage bushier growth, cut back in early summer. It is hardy in USDA zones 7 to 11; in colder regions grow it as an annual.
Frequently asked questions
Purpletop Vervain: how big does it get?
Purpletop Vervain (Verbena bonariensis) grows as a annual and reaches roughly 1.5 m in height when mature, with a spread of about 1 m. Growth is fast.
Purpletop Vervain: what site does it need?
Purpletop Vervain tolerates light shade. Suitable soils are Sand, Silt, Loam. Soil moisture should be in the range very dry – very wet. The pH may lie between 6 and 8.
Purpletop Vervain: is it hardy?
Purpletop Vervain is listed as hardy in zone 7–11 and survives normal winters outdoors there.
Purpletop Vervain: will it grow in Central Europe?
Purpletop Vervain is hardy to zone 7: lowlands, river valleys and cities across Central Europe are fine, harsher continental or upland sites need winter protection or a container.
Purpletop Vervain: when does it flower?
In a temperate northern-hemisphere climate it flowers from June to November.
Purpletop Vervain: when is it harvested?
In a temperate northern-hemisphere climate the fruit ripens from September to November.
Purpletop Vervain: is it poisonous?
No toxicity is recorded for Purpletop Vervain. With wild plants, never rely on a database alone — only on a confident identification.
Purpletop Vervain: what is it used for?
Rated on a scale up to 10: Edible 1/10, Medicinal 2/10, Other uses 3/10.
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Community experience
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