Delphinium Seeds

Delphinium Seeds for Tall, Show-Stopping Garden Colour

Delphiniums are striking perennials known for their tall, dramatic flower spikes that bring height, structure, and rich colour to garden landscapes. Blooming in shades of blue, purple, pink, and white, delphiniums create a strong vertical accent in borders, cottage gardens, and mixed perennial plantings. Their timeless beauty and pollinator-friendly blooms make them a favourite among gardeners seeking both elegance and impact.

The Appeal of Delphiniums in Perennial Gardens

Delphinium seeds grow into showy, long-lived perennials that return year after year with impressive floral displays. Their upright spires add depth and contrast when planted alongside lower-growing flowers and foliage plants. Delphiniums are especially effective as focal points in borders and are also valued for use in cut flower arrangements due to their height and colour range.

Growing Delphiniums from Seed

Delphiniums perform best in full sun with protection from strong winds and rich, well-drained soil. Seeds can be started indoors 8–10 weeks before the last frost or sown outdoors once the soil has warmed. Consistent moisture during establishment helps promote strong growth, while removing spent blooms can encourage additional flowering. As a trusted Canadian seed shop, quality is always our top priority. Explore our seed collections to find delphinium varieties suited to your growing space.

FAQs

Are delphiniums perennial plants?

Yes, delphiniums are perennials that return year after year when grown in suitable conditions and properly cared for.

Do delphiniums attract pollinators?

Delphiniums attract bees and other pollinators, making them a valuable addition to pollinator-friendly gardens.

Do delphiniums need full sun?

Delphiniums grow best in full sun but benefit from shelter from strong winds due to their tall flower spikes.