Featured Attracts Beneficial Insects

Verbena bonariensis
Flower Seed

Product ID: 1558

Heat tolerant.

Multiple long, thin stems topped with clusters of 2" heads packed with tiny flowers. Blooms July to frost. Attracts bees and butterflies. Also known as purple top verbena, tall verbena, South American vervain, and purple-top verbena. Perennial in Zones 7-10 but can be grown as an annual. Ht. 36-48". Avg. 122,000 seeds/oz. Packet: 100 seeds.


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DAYS TO GERMINATION: 14-28 days at 60-86°F (16-30°C). Alternating temperatures between 60°F (16°C) at night and 86°F (30°C) during the day helps to break dormancy.

Transplant (recommended) — Sow 8-12 weeks before last frost. Cover seed lightly with growing medium. Seed is slow to germinate and sensitive to excess moisture, so keep growing medium on the dry side until emergence. Place seed trays on a heat mat during the day and remove at night to ensure the proper germination temperature. Transplant to cell packs or larger containers after true leaves appear. Harden off and transplant outside after the last frost. Direct seed — Direct seed only in areas with long growing seasons. Sow seeds after the last frost, barely covering seeds.


Almost any soil.


Zones 7-10.

Fresh: Harvest when the outer 2-4 layers of flowers are open.

Fresh cut flower, borders, beds, containers, and mass plantings.

May self-sow.

Verbena bonariensis

Purple-top verbena, tall verbena, South American vervain

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Quick Facts

Latin Name

Verbena bonariensis

Days To Maturity

Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.

90 Days

Life Cycle

Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).

Tender Perennial

Hybrid Status

Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next.

Open Pollinated

Product Features

Use for Cut Flowers and Bouquets Use for Cut Flowers and Bouquets
Variety good for fresh cut-flower displays.
Heirloom Heirloom
Seeds saved over many years and passed down, in original form, from generation to generation.
Grows Well in Containers Grows Well in Containers
Variety does well when grown in a container.
Attracts Beneficial Insects Attracts Beneficial Insects
Variety attracts and supports pollinators and/or insects that prey on garden pests.

Heirloom Grows Well in Containers Use for Cut Flowers and Bouquets Attracts Beneficial Insects