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Blue Mirror Delphinium grow compact, bushy plants with stunning bright blue flowers that will enhance any landscape. What sets the Blue Mirror apart is its longer blooming time compared to other delphiniums, ensuring a beautiful display for many weeks. These gorgeous blooms also make great cut flowers, perfect for adding a pop of color to any indoor arrangement. Packet contains ~ 70 seeds.


  • Perennial
  • hardy to zone 3
  • first year flowering
  • full sun
  • mature height 20 inches (50 cm)
  • blooms mid-summer to fall


*All parts of delphinium plants and seeds are toxic. Take care around pets and children.*

Delphinium - Blue Mirror Seeds

  • Start delphinium seeds indoors 8-10 weeks prior to your last frost date. Can also direct-seed in fall.

    Cold stratification will improve germination. Place seeds in a moist paper towel inside a plastic bag or container. Keep in the fridge for 1-2 weeks before seeding.

    Press seeds into soil and cover lightly. Keep moist until germination in ~14-30 days (may be longer with cooler temperatures).

    Transplant after your last frost date into a sunny location, with plants 12-18 inches (30-45 cm) apart.

  • Delphinium grandiflorum

    Also known as Chinese Delphinium

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