Delphinium Seeds – Tall

Delphinium Seeds are prized for their tall, elegant spikes of vibrant flowers that add a stunning vertical accent to any garden. Known for their rich blue, purple, pink, and white shades, these classic garden favorites are perfect for borders, cottage gardens, and cut-flower arrangements. Delphiniums are hardy perennials in cooler climates but are often grown as annuals in warmer regions. With proper care, they produce abundant, long-lasting blooms that attract pollinators such as bees and butterflies.

Features:

• Produces tall, upright flower spikes with striking colors

• Ideal for garden borders, beds, and floral arrangements

• Attracts pollinators like bees and butterflies

• Can be grown as perennials in cooler climates or as annuals in warmer areas

• Excellent for cut flowers due to long stems and vibrant blooms

Specifications:

• Plant Type: Perennial (treated as annual in warm regions)

• Height: 3–6 ft tall depending on variety

• Bloom Time: Late spring to early summer

• Sun Exposure: Full sun to partial shade

• Soil Requirements: Rich, well-drained soil

• Hardiness Zones: USDA Zones 3–7

• Sowing Season:

  • Indoors: Start seeds indoors 8–10 weeks before the last frost (February–March in most zones)

  • Outdoors: Direct sow after the last frost in cooler climates (April–May)

• Germination Time: 14–21 days

• Spacing: 12–18 inches apart

• Watering: Keep soil evenly moist but not waterlogged