Aconites (Aconitum napellus)

Reputed for its deadly charms, monkshood was formally administered to criminals. But the lethal alpine plant also holds invaluable healing qualities known to various cultures. In medieval Germany it was used in the concoction of Flugsalbe, a hallucinogenic flying potion.
Seed packet

Growing instructions
This plant is a cold-germinator. The sowing must be kept cold for a period of some weeks (refrigerator) or you sow them in very early spring or autumn. Mix the seeds with damp sand in a plastic bag. The sowing must be kept warm (about 20°C / 64 to 72°F and moist for the first 2-4 weeks. After this period place it in your refrigerator at a temperature of 5°C (between 25 and 39°F) for 5 to 6 weeks. After that take the bag out and keep it at room temperature. Check for sprouted seed regulary.