Argentinian Vervain or PurpleTop Vervain stands out for its abundant and beautiful flowers. They contain a sweet nectar that attracts butterflies, bees and other insects that in turn will pollinate other plants in the garden. So not only will it make your garden a spectacular place but it will play a fundamental role as a pollinator.
Excellent plant for borders, clumps, flowerbeds, cut flowers and dried flowers arrangements. It requires little care. Water moderately but regularly. Fertilize once a year. It can be grown as an annual.
Perennial plant about 120 cm tall with a thin stem and few leaves. Abundant purple, fragrant flowers blooming all summer until autumn.
Sowing at temperatures of 18ºC/20ºC. Lightly cover the seeds and maintain the humidity until germination is completed
 Calendar| I | II | III | IV | V | VI | VII | VIII | IX | X | XI | XII | |
| Sow indoors | ||||||||||||
| Sow outdoors | ||||||||||||
| Flowering | 
| Attracts Wildlife | Bees, Butterflies, Insects | 
|---|---|
| Average germination (%) | 60 | 
| Climate Zone | Temperate areas, Warm areas | 
| Flower colour | Lilac | 
| Fragrant | Flower | 
| Germination (in days) | 15-20 | 
| Hardiness | Drought resistant, Hardy (tolerates temperatures down to -5ºC) | 
| Life cycle | Perennial | 
| Plant use | Balcony & Courtyard, Baskets & Containers, Clump, Coastal garden, Cottage garden, Cut flower, Dried flower, Edges, Flowerbeds, Gardening, Gravel Garden, Honey producing plant, Low maintenance garden, Restoration, Urban garden, Wild garden | 
| Seeds per gram | 5000 | 
| Soil - Moisture | Well-drained | 
| Soil - Ph | No preference | 
| Soil - Type | No preference | 
| Sunlight - Exposure | Sun | 
| Watering | Moderate, Regular |