Larkspur – Rocket Light Blue
$2.50 – $46.50Price range: $2.50 through $46.50
Rocket Larkspur is a graceful annual flower native to southern Europe and the Mediterranean region. This light blue variety produces tall, airy spires covered in soft sky-blue blooms that bring a cool, soothing brightness to the garden. The finely divided, lacy foliage adds a delicate texture beneath the upright flower stalks, which can reach two to four feet in height. Its soft color blends beautifully with pinks, whites, and lavenders, making it a favorite in cottage gardens, borders, and cut-flower arrangements.
Light Blue Rocket Larkspur is especially valued for its long, elegant stems and abundant, densely packed blossoms — perfect for cutting. The flowers hold their color well both fresh and dried, adding a gentle pastel tone to bouquets and floral designs.
All parts of the plant, including the leaves and seeds, are poisonous if ingested. They contain natural alkaloids that can be harmful to humans and animals, so care should be taken when planting around children or pets.
For best results, Rocket Larkspur can be planted in either fall or early spring. In areas with mild winters, fall planting produces stronger plants and earlier blooms. If sowing in spring, refrigerate the seeds for one to two weeks before planting to simulate the cold of winter — this helps break seed dormancy and promotes better germination. Larkspur prefers cool weather for sprouting and may fail to germinate in warm soil.
Plant in full sun to partial shade in well-drained soil with moderate moisture. Once established, it requires little care but does not tolerate soggy conditions. Blooming begins in late spring and continues through summer, and with staggered plantings, flowering can last into early fall. Because this annual develops a long taproot, it should be direct-sown where it will grow rather than transplanted once seedlings appear.
With its tall, soft blue flower spikes and romantic, airy form, Rocket Larkspur adds light, elegance, and classic charm to any garden — a timeless favorite for borders, meadows, and bouquets alike.
**For larger quantities than listed for sale please contact us for availability and pricing.
The broadcast rate for seeding is 20 – 25 pounds per acre.
The seed drill rate for seeding in rows is 10 pounds per acre.
| Purchasing Options | Price | Quantity | |
|---|---|---|---|
| Small Packet | $2.50 | ||
Covers approximately 5 square feet. |
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| 10 Gram | $3.00 | ||
Covers approximately: |
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| 1/8 Pound | $12.00 | ||
Covers approximately: |
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| 1 Pound | $46.50 | ||
Covers approximately: |
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| Scientific Name | Delphinium ajacis |
|---|---|
| Product Type | Flower |
| Color | Blue |
| Cycle | Annual |
| Origin | Introduced species |
| Height | 24-40" |
| Germination Time | 15-30 days |
| Planting Season | Spring, Fall |
| Bloom Season | Spring, Summer, Fall |
| Weeks to Bloom | 6 to 8 weeks |
| USDA Zone | 1 to 11 |
| Seeds Per Pound | 251,000 |
| Seeding Rate (lb./acre) | 10 |
| Pollen/Nectar | Nectar, Pollen |
| Pollinator(s) | Bats, Birds, Butterflies, Honey Bees, Native Bees |
| Notes | Rocket Larkspur is native to Europe |
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