Delft Blue Nigella
Distinctive violet-blue streaks on snowy white petals. A well-loved cottage flower named for the famous Dutch Delft blue pottery. Easy to grow, the fresh flowers and unusual dried seed pods make outstanding cut flowers. Also Called love in a mist. Grows 18-24”.
Germination: 14-30 days
Germination Temperature: Optimum soil temperatures 65-70ºF
Seed Planting Depth: Sow on the surface and lightly cover the seed
Starting Indoors: Start indoors 4-6 weeks before the last frost. Provide 65-70ºF soil temperature. Using peat, cow, or paper pots can help with the stress of transplanting, they grow delicate roots and successful transplanting may be challenging. Transplant apart after the last frost, 4-6” apart.
Sowing Outdoors: Mid-spring when soil is over 60ºF. Sow a few seeds every 2-6". Thin to the most robust seedling. Sow every 3 weeks for a continuous supply of flowers.
Growth Habit: Upright, branching
Height and Width: 18-24" x 12-18"
Spacing: 2-6" apart
Light Needs: Full sun
Soil Needs: Average, well-drained
Approximate days to flower from seed: 65-70 days
Uses: Cut flowers, decorative dried seedheads, flower beds, wildflower and cottage gardens
Care: Water seedlings regularly until established. Amend soil with compost before transplanting. Cut back stems as the blooms fade, this encourages more flower production. Harvest flowers for drying when petals fall off and hang upside down in a dark room with good airflow. Apply a liquid fertilizer every 3-4 weeks or use a time-release fertilizer at planting time. Reseeds easily.