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- Grows to 120cm
- AKA Purpletop Vervain
- Great for butterflies
Verbena bonariensis. Sow Brazilian Verbena seeds for tufts of tiny, lavender coloured flowers that stand aloft above the garden waving in the slightest breeze. Airy and light, verbena fits in anywhere in your garden. Brazilian verbena flowers will bloom dependably June to frost. It is considered by many butterfly experts to be the most important nectar provider for many species of butterflies. The plants are totally inconspicuous with dark greyish blue foliage that hugs the ground. Then the flower stems seem to suddenly appear out of nowhere. The stems are stiff, narrow, and square in cross section. Brazilian Verbena grows to about 120cm (48″) tall. It has earned the Royal Horticultural Society’s (RHS) Award of Garden Merit.
Note: The correct common name of V. bonariensis is Purpletop Vervain. We acknowledge that true Brazilian Verbena is V. brasiliensis and apologize for perpetuating this confusion. Alas, V. bonariensis performs very well in northern gardens (hardy to Zone 7), and most North American gardeners misuse “Brazilian Verbena” to describe Purpletop Vervain. Ours is a perennial plant that will take most mild coastal winters. In colder areas it can be treated like a self sowing annual.
How to Grow Brazilian Verbena
Verbena is a perennial plant sometimes grown as an annual. It’s also known as Vervain, Purpletop, and Clustertop. Some references call this variety Brazilian Verbena, but this isn’t really correct, as the true Brazilian Verbena is Verbena brasiliensis. It is easy to grow Verbena just follow along.
Season & Zone
Exposure: Full sun
Sow indoors 8-10 weeks before transplanting out. Vernalize seeds by sowing them in pre-moistened, sterilized seed starting mix in trays. Place trays in plastic bags inside the refrigerator for 2 weeks. Then bring trays up to 18-25°C (65-75°F), and seeds will germinate in 14-90 days.
Or simply sow outdoors after last frost.
Just cover the tiny seeds. Space plants 30-45cm (12-18″) apart.
This variety will bloom in the first year from an indoor start. This Verbena will self sow and spread.
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