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Hoary Vervain

Verbena stricta

  • Native Prairie Wildflower with Fuzzy Gray-Green Foliage and Towering 4-Foot Purple Spires
  • Cold Hardy: Thrives in Zones 4-7
  • Grows 2-4 ft Tall, 1-2 ft Wide
  • Showy Blue Blooms From Early Summer to Early Fall
  • Native, Pollinator-Friendly - Attracts Butterflies
Regular price $3442
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Plant Size

Specifications

Plant specifications
Plant Characteristics Cold hardy, Native, Low Maintenance, Flowering, Deer-resistant, Attracts Butterflies, Attracts pollinators, Heat Tolerant, Drought resistant
Hardiness Zone 4a to 8b
Sunlight Full sun
Height 2-4 ft
Width 1-2 ft
Watering Needs Low
Preferred Soil Chalky, Clay, Sandy
Growth Rate Moderate
Growth Habit Upright
Plant Life Cycle Perennial
Blooms In Fall, Summer
Flower Color Blue
Foliage Color Green
Native Yes
Suitable Space Outdoors, Container
Botanical Name Verbena stricta
Species stricta
Class Lamiales
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

Where can i buy vervain?

  • You can purchase vervain at native plant nurseries, specialty wildflower retailers, and online garden centers. This hardy prairie perennial thrives in zones 4-7 and reaches nearly 4 feet tall. Look for suppliers that follow plant regulations to protect local ecosystems.

What is plant?

  • Hoary Vervain is a native prairie perennial with 4-foot purple flower spikes that bloom May through September in zones 4-7. This drought-tolerant wildflower attracts monarchs and serves as a host plant for Common Buckeye caterpillars. Plant in full sun for best results, available at naturehills.com.

Is Hoary Vervain drought tolerant once established?

  • Yes, Hoary Vervain is xeric (drought tolerant) once established. Like most prairie natives, it develops deep roots that access water efficiently in zones 4-7. Allow a full growing season for establishment before relying on its drought tolerance.

Is Hoary Vervain deer resistant?

  • Hoary Vervain is generally deer resistant due to its rough, densely haired foliage that deer typically avoid. The serrated leaves have an unpalatable texture that deters browsing. Plant in zones 4-7 for best results, and consider grouping with other native prairie plants for added protection.

Should I fertilize Hoary Vervain and if so, how often?

  • Hoary Vervain thrives without fertilization as a native prairie plant adapted to lean soils. Over-fertilizing can actually reduce flowering and make stems weak. Simply plant in well-draining soil and let this hardy perennial establish naturally.

Does Hoary Vervain self-seed or spread aggressively in the garden?

  • Hoary Vervain is well-behaved and forms clumps rather than spreading aggressively. This native prairie perennial may self-seed modestly in optimal conditions but won't overtake your garden. Allow some seed heads to remain if you want natural reseeding, or deadhead to prevent it.