Isla’s Garden Seeds Larkspur Rocket Light Blue Seeds – 250+ Heirloom Non-GMO, Tall Spikes for Cut Flowers

Overview

Isla’s Garden Seeds Larkspur Rocket Light Blue is a cool-season annual that grows tall, upright flower spikes crowned with sky-blue blooms. This variety adds height and classic cottage garden charm to beds, borders, and mixed bouquets, making it a versatile focal point for seasonal color.

Why gardeners love it

• Elegant vertical spikes and a refined sky-blue color create a standout backdrop in borders.
• Ideal for cut flowers due to sturdy stems and graceful blooms that hold their shape in arrangements.
• Reliable cool-season performance across a wide range of zones (USDA 3–9).

Growing and care

• Sun and soil: full sun; well-drained soil with minimal root disturbance.
• Planting: direct sow 1/4 inch deep in early spring or fall; spacing 6–9 inches.
• Moisture: moderate, consistent watering during establishment; good air circulation helps prevent disease.
• Height and timing: plants reach about 30–36 inches tall; bloom typically 90–100 days after sowing; late spring to early summer.

Planting details and naming notes

Rocket Larkspur is now Consolida ajacis (formerly labeled as Delphinium ajacis). This botanical update reflects taxonomy, not a change in garden value—the plants maintain their tall, elegant spikes and classic appeal.