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Brazilian vervain
Also known as: Blue vervain
This perennial herb produces one or more hairless or slightly bristly erect stems growing 40 cm to well over 1 m tall. The rough-haired leaves are somewhat lance-shaped and have serrated edges, the blades measuring up to 10 cm in length. The inflorescence is made up of one to eleven erect spikes of flowers which are dense at the tip and more open on the lower part. Each small tubular flower has a purple corolla about 5 mm wide.
Scientific classification
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Perennial
Lifespan
Herb
Plant Type
Spring, Summer, Fall
Bloom Time
40 cm to 1 m
Plant Height
4 cm to 12 cm
Flower Size
White, Pink, Purple
Flower Color

Images of Brazilian vervain

Distribution of Brazilian vervain

Distribution Map
Brazilian vervain is established both within its native range across continents in South and Central America and as an introduced species in various regions across Africa, Asia, and Europe. In some areas of Oceania, brazilian vervain is considered to have an impact on local ecosystems. Although it is sometimes thought to be invasive, evidence of significant ecological disruption remains scant and the plant's presence continues to be monitored.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Disturbed and cultivated areas
Hemisphere Trend Curve

Care Guide for Brazilian vervain

Every week
Water
Full sun
Sunlight
20 - 35 ℃
Ideal Temperature
Water: Brazilian vervain thrives in tropical habitats with high humidity and regular rainfall. It requires a balanced watering schedule, ideally once weekly, and retains moisture in its evergreen leaves, making it resilient across different climates.
Fertilize: For brazilian vervain, use a balanced fertilizer monthly during growth and bi-monthly in dormancy, following manufacturer's guidelines. Avoid over-fertilization to protect roots. Adjust schedules seasonally and water brazilian vervain after application for better nutrient absorption.
Pruning: Brazilian vervain features tall stems with purple flowers and benefits from early spring to late winter pruning. Remove up to one-third of weak stems to enhance growth, air circulation, and overall shape, promoting continuous blooming and increasing its ornamental value.
Propagation: Brazilian vervain can be propagated by sowing fresh seeds in moist, well-drained soil. Cover lightly and provide sunlight. Maintain humidity without waterlogging. Once seedlings have true leaves, transplant them gently to individual pots or garden locations, ensuring minimal root disturbance.
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