Lilac Rocket Larkspur

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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, Tall Larkspur.

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Plant Name:
Larkspur, Rocket Lilac
Latin Name:
Consolida ajacis, Delphinium ajacis, Consolida ambigua, or Delphinium ambiguum
Days to Germinate: 10-28
Days to Bloom: 50
Plant Height:
2 - 4 Feet
Bloom Diameter:
6 - 18 Inches
Growth Habit: Upright
USDA Zones: 1-11
Lifespan: Annual
Brand: TomorrowSeeds
Sunlight: Full Sun, Partial Shade
GMO: No
Pollination:
Heirloom, Open-Pollinated
Seeds Packed For*: 2025

*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.


Planting Instructions:

 

Soil Preparation:

Remove weeds, large rocks, and litter from the planting area. Till the soil 10 - 12 inches deep and rake several times to break up large clods. It is best to do this when the soil is dry enough to not stick to garden tools. Loosening the soil will help the plant establish strong roots.
 

Planting:

Vernalize seeds by chilling seeds for 7 days at 35F. At least 6 weeks before the soil in Spring reaches 60F, directly sow or plant in pots. Or, direct sow in early Spring after a killing frost. Lay down 1/2"-3/4" peat moss, sawdust, or potting soil, then sprinkle seeds on top. Completely cover seeds with ¼" soil. Keep soil moist until established and colder than 55F for 2 weeks for best germination rates. Annual. Do not ingest.


Planting Depth: 1/4 inch
Spacing:
4 - 6 inches