Blue Butterfly Delphinium (Delphinium grandiflorum "Silver Butterfly") brightens up the landscape from late spring through early summer with distinctive blue blooms. Whereas some forms of delphinium achieve incredible heights up to 6 feet, the Blue Butterfly Delphinium is more diminutive, topping out at 12 to 18 inches. Blue Butterfly Delphinium is suitable to grow in Sunset's Climate Zones A1 through A3, 1 to 10, and 14 to 24.
How to plant?
- Fill seeds in warm water for 24 hours
- Fill seeds in cold water for 72 hours.
- Put seeds in wet soil for 1.5cm cover with plastic
- Water every day, the seeds will sprout in 15 days.
Now Please feel free to enjoy our flowers.