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
Passion Flower Vine* Exotic flowers like these don't have to be limited to tropical gardens. A vigorous perennial vine that climbs via tendrils, the passion flower can be a conversation piece in the garden.