Summer Stars (Delphinium/perennial)
Latin Name: Delphinium grandiflorum
Item #: 877D
Suitable for Containers:
Perennial Approx.10,000 - 18,000 seeds per oz/28 g
GREENHOUSE: Sow in Jan. or early Feb. Freeze seed for 24 hrs. just before sowing, to break dormancy. Use Jiffy Mix or fine sand for a growing medium. Germinate in cool soil at 54°F/12°C for 20 days, according to color (best colors are smallest seedlings). High temp. will prevent germ. Grow seedlings cool, at 60°F/16°C days and 50°F/10°C nights.
DIRECT SOWING: Sow outside in late August in cool soil. Freeze seed 24 hours before sowing. Do not pinch, add lime to soil each year.