Square stemmed St John’s wort (Hypericum tetrapterum)

Square stemmed St John’s wort is an unusual British native perennial which has distinctive square stems with yellow flowers loved by pollinators.  It flowers prolifically from June to September and is happy in the bog garden or pond margins up to 10cm deep in full sun or part shade.  If you rub the leaves you will get a scent of citrus or orange.Height: 50-60cmPlanting position: Pond marginal plant 0-10cm or bog garden.Form: 9cm (0.5 litre) in a solid pot -please select size belowRecommended basket size min./ideal: 1 litre round/2 litre round(Recommended basket sizes are for potting up 9cm (0.5 litre) plants only as these are supplied in solid pots.  Larger sized plants are already in aquatic baskets so can go straight in the pond, however they may need potting up or splitting at some point)