Hypericum Kalmianum Latin name Hypericum Kalmianum French name Milpertuis de Kalm English name Kalm's St.-John's Wort Carriage Bushy shrub with a rounded carriage, in the shape of a mound. Foliage Green foliage on the top and siler blue below. Flowering Abundant flowering, in the form of clusters with sharp yellow flowers in July. Fruit Abundant flowering, in the form of clusters with sharp yellow flowers in July. Growth Slow growth. Use CThis indigenous plant in Quebec is appropriate for naturalization. Very interesting for its flowering, one uses it in association or isolated. Height 0.9 meters Width 0.9 meters Exposure Sun, semi-shade. Zone 4