Aconitum Napellus - Monkshood
This is the true "Monkshood", flowering from earliest spring. It features indigo blue hooded flowers on strong stems clad in shiny green leaves.
Sow finely and evenly and cover thinly with compost or grit. Germinate in gentle heat or in a warm bright spot outside. Grow-on individual seedlings in 3 inch pots before planting out.