200+ Rocket Larkspur Seeds Delphinium Ajacis Annual Hummingbirds

Rocket Larkspur (Delphinium ajacis) is a classic cottage garden annual known for its tall, elegant spires of vibrant flowers. These plants produce stunning blooms in shades of blue, purple, pink, and white, creating a dramatic vertical accent in borders and cutting gardens. They are excellent for attracting pollinators like hummingbirds and butterflies.

Growing Information:
- USDA Hardiness Zones: As an annual, it can be grown in all zones (2-11) by sowing seeds at the appropriate times.
- Light Requirements: Prefers full sun (6+ hours daily) for best growth and flowering.
- Water Requirements: Moderate, consistent moisture. Water regularly but ensure well-drained soil to prevent root rot.
- Height: Typically grows 2-4 feet tall.
- Bloom Time: Late spring through summer.
- Soil: Thrives in rich, well-drained soil with neutral to slightly alkaline pH.

Sow seeds directly in early spring or fall in mild climates. Seeds require cool temperatures for germination and can be lightly covered with soil. Thin seedlings to proper spacing for optimal growth. These make exceptional cut flowers and add beautiful color to any garden setting.