- Season: Perennial
- USDA Zones: 7 - 11
- Height: 36 - 48 inches
- Bloom Season: Summer
- Bloom Color: Purple
- Environment: Full sun
- Soil Type: Well-drained, pH 5.8 - 7.2
- Deer Resistant: Yes
- Foliage Color: Gray-green
- Temperature: 70 - 75F
- Average Germ Time: 14 - 28 days
- Light Required: No
- Depth: Cover seed lightly with peat moss
- Sowing Rate: 4 - 5 seeds per plant
- Moisture: Keep seeds moist until germination
- Plant Spacing: 24 inches
- Care & Maintenance: See: Verbena
Verbena (Verbena Bonariensis) - Commonly called Purpletop Vervain, this is one of the best flowering perennials for attracting butterflies, and in particular the Tiger Swallowtail. Easily grown from Verbena seeds, this is a long-blooming, drought tolerant plant that is extremely easy to grow. The rosy-violet flowers are tiny and extremely profuse. The flower clusters are held on long strong stems. This variety has been called Verbena on a stick! It is also referred to as Brazilian Verbena and Upright Verbena.
Upright Verbena Bonariensis grows best in full sun, and it is fairly drought tolerant. It can grow well in a variety of soil types from loam to clay. Brazilian Verbena plants can re-seed by dropping its flower seeds in the late bloom period. Deadhead the spent flowers if re-seeding is not desired. Purpletop Verbena has been found in such habitats as fields, roadsides, weedy meadows, and other disturbed areas. It also makes a stunning addition to the flower garden or border. It is fairly resistant to both deer and rabbits.
Brazilian Verbena seeds can be sown directly outdoors into prepared seedbeds. Late fall sowing is recommended as the Verbena seeds respond well to cold temperatures. If Purpletop Vervain seeds are planted in the spring, a cold treatment needs to be done before planting. Dampen a paper towel, spread the Verbena seeds on the towel and carefully roll the towel up. Place the damp towel with the seeds in a ziploc bag and seal it. Place the bag with the flower seeds into the refrigerator for 4 weeks. After the cold treatment, the seeds can be started in the spring or even indoors.
Approximately 113,500 seeds per ounce.