Description

Blessed thistle
Silybum marianum

Biennial, sometimes acts as an annual. Medicinal and nectariferous plant. Prickly, pale green foliage with white marbling. Purple flowers. 1 to 1.60 meters high. Hardiness zone 4.

Full sun to part shade. Very well drained soil. Sow indoors at the end of April after a 10-day cold treatment. Or direct sowing in early spring or autumn. 1cm deep and 50 cm apart.

Germination: 74% in December 2023
Ecological seeds produced at Catherine’s Ornamental Garden.