Contact us → Our seed store is closed for the remained of the season while we focus on seed harvest and inventory for 2024. We’ll see ya back here in December. Thanks for the great year!

Larkspur – Giant Imperial Blue Spire




Impressive deep blue purple spikes of double blooms 3-5 ’plants draw attention and awe. Loved in fresh or dried bouqets. Early, fast growing annual that prefers full-sun

For tips on when to plant flower seed, check out our NW Flower Planting Calendar!

Days to maturity: 80-90 days
Latin name: Consolida ajacis
Life cycle: Annual

Planting Instructions:
Chill seeds at 35 degrees for 7 days. Direct sow (recommended) or transplant in full sun when soil is below 55 degrees. Seeds require darkness and vernalization to germinate. Planting depth: ¼.” Plant spacing 4-6”.

All of our seed is Non-GMO and Certified Organic by Washington State Department of Agriculture. We grow the majority of our varieties here at Deep Harvest Farm on Whidbey Island while we purchase the rest from other small, organic Northwest seed growers. Finally, all of our offerings are open-pollinated (OP) so that you too can save and share seed from these plants!

Additional information


Packet (0.3g, ~100 seeds) – $3.90, 1.5g – $9.00