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Blue Mirror Delphinium

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Blue Mirror Delphinium (Delphinium grandiflorum 'Blue Mirror')

Blue Mirror Delphinium (Delphinium grandiflorum 'Blue Mirror') is a compact, bushy perennial known for its intensely vivid blue flowers that bloom in abundance from early summer through late summer. Unlike the towering spikes of traditional delphiniums, this variety has a more relaxed, mounded growth habit, making it ideal for borders, containers, and cottage gardens. Its deeply cut green foliage provides a lush contrast to the brilliant blooms, while its nectar-rich flowers attract bees, butterflies, and hummingbirds.

Distinctive Features

Blue Mirror Delphinium produces clusters of open-faced, true blue flowers that form on slender stems, creating a shimmering effect in the landscape. Its naturally compact form eliminates the need for staking, making it a low-maintenance option for smaller spaces. This variety is prized for its ability to rebloom when spent flowers are removed, ensuring an extended display of color.

Growing Conditions

  • Sun Exposure: Prefers full sun to partial shade.
  • Soil: Thrives in rich, well-draining soil with consistent moisture.
  • Water: Requires regular watering; does not tolerate drought.
  • Humidity: Prefers moderate humidity levels.
  • USDA Hardiness Zones: 3-7, making it suitable for cooler climates.

Ideal Uses

  • Border Plantings: Adds a striking pop of blue to mixed perennial beds.
  • Containers: Compact size makes it an excellent choice for patio planters.
  • Cottage Gardens: A perfect fit for traditional garden designs.
  • Pollinator Gardens: Attracts bees, butterflies, and hummingbirds.
  • Cut Flower Gardens: Delicate blooms add a unique touch to floral arrangements.

Low Maintenance Care

Blue Mirror Delphinium is an easy-care perennial that thrives with minimal effort.

  • Watering: Keep soil consistently moist but not waterlogged.
  • Pruning: Deadhead spent blooms to encourage reblooming.
  • Fertilizing: Benefits from a balanced fertilizer in early spring and after flowering.
  • Pest and Disease Resistance: Generally resistant to common pests but benefits from good air circulation to prevent powdery mildew.
  • Winter Care: Cut back foliage in late fall and mulch in colder zones for winter protection.

Why Choose Blue Mirror Delphinium?

Blue Mirror Delphinium is a compact, easy-to-grow variety that delivers exceptional color and long-lasting blooms.

  • True Blue Flowers: Intense blue blooms stand out in any landscape.
  • Compact & Bushy Growth: Ideal for borders, containers, and small gardens.
  • Pollinator-Friendly: Attracts beneficial insects and hummingbirds.
  • Extended Blooming: Reblooming potential ensures season-long interest.
  • Cold Hardy & Reliable: Thrives in cooler climates with proper care.

For a low-maintenance, high-impact perennial that adds dazzling blue color to the garden, Blue Mirror Delphinium (Delphinium grandiflorum 'Blue Mirror') is an outstanding choice.

Order Fulfillment

  • We're now offering nationwide delivery for plant material in small containers. If your selection isn't yet eligible for shipping, or you need delivery for larger containers and/or B&B material, please email shop@plantdetectives.com.
  • All online orders can be picked up at our garden center, located at 45 Route 206 in Chester, New Jersey. Please remember to bring your order number and a valid photo ID with you.
  • All gift card purchases are delivered via US Postal Service and can be shipped nationwide.
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