TomorrowSeeds - Lilac Rocket Larkspur Seeds - 3600+ Count - For 2026 Planting Purple Delphinium

Lilac Rocket Larkspur is a stunning rich purple-pink to violet-red annual in the "Delphinium" family with clusters of flowers growing up to 4 feet tall! These tall plants are perfect for creating beautiful backdrops in flower beds, and borders. Lilac Rocket Larkspur also make striking cut flower in arrangements; simply cut the stems at a diagonal and place them in fresh water to enhance their longevity in floral displays. These stunning wildflowers have deeply lobed leaves and slender stems, creating a delicate yet striking appearance in gardens and wildflower meadows. Lilac Rocket Larkspur is not only appreciated for its beauty but also for its historical significance. During medieval times, it was believed to have magical properties and was often used in protective charms. Rocket Larkspur are deer resistant, both seeds and plants and are not suitable for human or animal ingestion.

Also Known As: Rocket Larkspur, Doubtful Knight’s Spur, Annual Delphinium, Field Larkspur, Consolida Ajacis, Garden Larkspur, Giant Larkspur, Larkspur Rocket, Annual Larkspur, Purple Larkspur.

Plant Name: Larkspur, Rocket Lilac
Latin Name: Consolida ajacis, Delphinium ajacis, Consolida ambigua, Delphinium ambiguum
Days to Germinate: 14-28
Days to Bloom: 110
Plant Height: 2 - 4 Feet
Spread: 10 - 24 Inches
Bloom Diameter: 6 - 18 Inches
Growth Habit: Upright
USDA Zones: 1-11
Lifespan: Annual
Brand: TomorrowSeeds
Sunlight: Full Sun, Partial Shade
Pollination: Heirloom, Open-Pollinated
GMO: No
Fungicide-Treated Seeds*: No
Seeds Packed For**: 2026
*Fungicide-treated seeds protect the seedlings from diseases until they are up and growing. Do not eat treated seeds.
**Seeds are freshly packed for the growing season of the year listed. Seeds are still viable beyond pack date. Store in a cool and dry location such as the refrigerator or basement to best preserve germination rates.