Blue Vervain Seeds / Verbena hastata

Blue Vervain is a remarkable perennial that delivers months of continuous color while supporting essential wildlife with minimal care required.

Blue Vervain (Verbena hastata) thrives in challenging wet conditions where other plants struggle, making it perfect for rain gardens and naturalized areas.

The impressive architectural form adds striking vertical interest to any planting scheme while attracting clouds of butterflies and beneficial pollinators throughout the growing season.

BENEFITS OF GROWING BLUE VERVAIN

Blue Vervain offers exceptional rewards for both gardeners and wildlife through its outstanding performance and ecological value.

• Requires minimal maintenance once established
• Tolerates wet soils and temporary flooding
• Self-seeds to create sustainable populations
• Provides dramatic vertical accent in garden designs
• Blooms continuously from mid-summer through fall
• Attracts specialist bees including Calliopsis nebraskensis
• Serves as larval host for verbena moth and common buckeye butterfly
• Feeds cardinals, sparrows, and juncos with abundant seeds
• Supports bumblebees during critical late-season nectar period

For detailed sowing and growing instructions, visit our comprehensive guide here.

BLUE VERVAIN DETAILS

• Common Name: Blue Vervain, American Vervain, Swamp Verbena
• Botanical Name: Verbena hastata
• Growth Habits:
  • Height: 3-6 feet
  • Spread: 1-3 feet
  • Growth habit: Upright, slowly spreading through rhizomes
• Hardiness Zones: 3-9
• Lifespan: Short-lived perennial (2-3 years, readily self-seeds)
• Soil Preference: Moist, fertile soil; tolerates wet conditions
• Sun Exposure: Full sun to partial shade
• Fertilizer: Minimal requirements, avoid high nitrogen
• Bloom Color: Purple-blue to violet
• Bloom Season: Mid-summer through early fall

TERMS OF SALE

Sold by weight — you will receive a minimum of 200mg of seed — the maths tell me that’s over 700 tiny seeds, as well as instructions for planting and care.

Shipping Cost is Flat Rate and covers all seed orders from Southern Garden, with no additional charges no matter how many you order.