Gray vervain (Verbena canescens)

Gray vervain

Gray vervain is a perennial herb known for its silver-gray, softly hairy foliage. This plant typically thrives in sunny and well-drained environments, showcasing its resilience against drought. It bursts into bloom with small, delicate clusters of purple or violet flowers, which are magnetically attractive to butterflies and bees. The dense flower heads on sprawling stems make gray vervain a charming choice for rock gardens or borders.

Scientific classification

Species

Gray vervain (Verbena canescens)

Mints plantains olives and allies

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Perennial

Lifespan

Herb

Plant Type

0 - 35 ℃

Ideal Temperature

Images of Gray vervain

Distribution of Gray vervain

Distribution Map

Gray vervain is a plant species originally native to parts of North America. Since its discovery, it has spread to various other regions. Its distribution encompasses several major regions, where it has become naturalized aside from its native range. The plant thrives in diverse climates and habitats, reflecting its adaptive nature and ecological resilience.

Native

Cultivated

Invasive

Introduced

No species reported

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Culture

Symbolism

Enchantment

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Care Guide for Gray vervain

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Originating from moderate climates, gray vervain prefers evenly moist soil and stable humidity. With moderate drought tolerance, it thrives on weekly watering. Typically grown outdoors, gray vervain flourishes in slightly damp soil, resembling its natural habitat where rainfall is regular but not excessive.

Fertilize: For optimal growth, gray vervain requires balanced nutrition through a diluted liquid 10-10-10 fertilizer every two weeks in spring and summer, then monthly in fall and winter. Water soil first to prevent root burn, and adhere to product guidelines to avoid overfertilization.

Pruning: Gray vervain features unique gray-green leaves and striking purple blooms. Prune dead stems and leggy growth in early to late spring to encourage bushiness and improve airflow. Regular pruning minimizes disease risk and enhances the plant's appearance.

Propagation: Gray vervain thrives with effective propagation techniques, starting with healthy parent plants. Use semi-hardwood cuttings with several nodes, sanitized tools, and rooting hormone in well-draining soil. Consistent moisture and warmth promote root development, requiring patience as gray vervain may take weeks to establish a strong root system.

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