This Delphinium grandiflorum proved to flower early, grows uniform and has a dwarf spread shape.
Delphinium grandiflorum Cheer Light Blue

Sowing temperature: 20°C | Sowing time garden: March to April | Sowing conditions: Keep soil moist | Germination conditions: Dark
Grow at: 15°C | Transplant April to May | Plant out: May to June | Light: Full sun | Cultivation: Grow in fertile, well-drained soil
Pants/M2: 12 | Planting distance: 20 cm x 20 cm | Hardy bedding | Sunny