Raider Blue Delphinium

Delphinium elatum | SKU: 0327 P10
2 Reviews
  • Double-lavender flowers with blue outer petals
  • Plants grow to 5 feet tall
  • Perfect for cottage-style or cutting gardens
  • New for 2021

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Item Details

This stunning bicolor perennial bears deeply lobed, dark-green leaves and, in summer, double lavender flowers with blue outer petals. Its showy flower spikes make it a popular choice for cottage-style gardens and cutting gardens. Plants grow to 5' and should be staked their first year. Note: Entire plant is poisonous.

Learn to Grow Raider Blue Delphinium

Start Indoors: 6-8 weeks before last frost

Germination: 14-21 Days

Plant Outdoors: 24-36” Apart

Light: Sun/Partial Shade

Instructions - Sow seeds indoors 1/8" deep. Transplant outdoors after last frost. Can also be sown outdoors in early spring , one to two weeks after your last frost date.

Ratings & Reviews

2 reviews

  • 5 stars
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  • 4 stars
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  • 3 stars
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Not germinating


So far I haven't had any luck with germination. I have tried not stratified and cold stratified methods. I generally have a high success rate with germination as I am fairly experienced. I will try direct sow in the fall. Really hoping I can get this plant to grow as it looks gorgeous.



I was really excited for these flowers. There were only 8 seeds in my pack (which was supposed to have 10), and only 3 of them germinated. Two are still alive, but less than 2 inches tall at over 2 months old. Maybe they will take off, but I am doubtful.