I was thinking about them because we've had a long-running debate on FB about the legalization of heroin. I find it sad that this delicate beauty can be in the foreground of such a serious social issue.
RHS old seed: Hypericum (St John's Wort) Great shade plant. Moderately fertile mbwd soil in sun or partial shade. Sow seed in a cold frame in autumn. Very tough plant, good for dry clay. Grows into a small shrub