VERBENA bonariensis (Purpletop Vervain) is a perennial flowering plant native to South America.
Purpletop Vervain is a tall and slender plant that typically reaches a height of about 3 to 6 feet (90 to 180 cm). It has erect, branching stems that are square-shaped and may have a reddish tinge. The plant has an airy and open growth habit, creating a wispy and elegant appearance in the garden. It prefers full sun but can tolerate some light shade. It can grow in different soil types, including sandy or clay soils, as long as they are well-draining. Once established, it has moderate drought tolerance.
The flowers of Purpletop Vervain are small and tubular, arranged in tight clusters at the top of the stems. They have a vibrant purple color, which gives the plant its common name. The flowers are highly attractive to butterflies, bees, and other pollinators, making it a valuable plant for supporting local wildlife.
Purpletop Vervain typically blooms from summer to fall, providing a long-lasting display of colorful flowers. The blooming period can extend for several months, adding beauty and interest to the garden throughout the warm season.
The leaves of Purpletop Vervain are narrow, lance-shaped, and have a dark green color. They are arranged opposite each other along the stems and can create a bushy and textured backdrop for the vibrant flowers. The leaves may have a slightly rough texture and serrated edges.
Purpletop Vervain (VERBENA bonariensis) is a tall and graceful plant with its slender stems, vibrant purple flowers, and lance-shaped leaves. Its attractiveness to pollinators, adaptability to various growing conditions, and naturalizing tendencies make it a popular choice for gardeners looking to add vertical interest and support biodiversity in their gardens.
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Scientific Name: Verbena Bonariensis
Common Name: Purpletop Vervain
Plant Type: Perennials
Zone: 7 to 11
Native Range: United States, California
Full Growth Height: 36-48 "
Spacing: 18-36 "
Exposure: Full Sun to Partial Shade
Blooming Season: June to Frost
Flower: Showy, Cut Flowers, Plant of Merit
Pollinators: Butterflies, Humming Birds
Flower Color: Rose Violet, Lavender
Tolerate: Deer, Drought, Rabbit
Water Requirement: Medium
Soil Type: Chalk, Clay, Sand, Loam, Well-Drained, Moist
Soil pH: Alkaline, Neutral, Acid
Uses: Gravel and Rock Gardens, Informal and Cottage Gardens, Prairies and Meadows