These plants are considered a hardy perennial or biennial
Leaves and roots
Does well in most types of soils.
Does best in partial shade or full sun.
Does well in Europe and North America. USDA Zones 5-8.
From seeds, you can directly plant after the danger of the last frost has passed.
Self seeds and requires weeding to control them taking over a garden.
From seed, this plant seeds quickly, in about three weeks.
To harvest the seeds, wait until the pods have dried on the plant, break them open once dried and remove the seeds.
The seeds can then be dried in the sun for a few days and stored
Leaves can be harvested throughout the drying season.
Can be dried and stored as any herb or spice in an air-tight container.
The principle alkaloid in the plant and its roots is coptisine. It also contains berberine, sanguinarine and chelerythrine.
IS THIS AN EDIBLE PLANT:
Yes, but can be toxic in large amounts, as it contains isoquinoline alkaloids.
CAUTIONS / CONTRAINDICATIONS:
Can cause severe irritation of the mucous membranes. Women who are pregnant or breast feeding should not use this herb. It also not recommended for children or for individuals with liver disease.
Consult your health-care provider if you are taking other medications.