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Common Name: Hedge Hyssop
Gratiola officinalis is a perennial plant that can grow up to 0.40 metres tall.
It has medicinal uses.
All parts of the plant are poisonous[
Central and southern Europe.
Wet grassland, fens, river banks, ditches etc[
Prefers a rich moist alkaline soil in full sun[
]. Succeeds in pond margins[
Hedge hyssop was once widely used as a medicinal herb but it is now considered to be obsolete because of its toxicity[
]. The root and the flowering herb are cardiac, diuretic, violently purgative and vermifuge[
]. The plant has been used in the treatment of liver problems, enlargement of the spleen, dropsy, jaundice, intestinal worms etc[
]. The plant is harvested whilst in flower in the summer and dried for later use[
]. Use with caution, in excess the plant causes abortion, kidney damage and bowel haemorrhage[
]. See also the notes above on toxicity.
A homeopathic remedy is made from the flowering plant[
]. It is used in the treatment of cystitis, colic and certain stomach disorders[
Seed - sow spring in a cold frame. Prick out the seedlings when they are large enough to handle and plant them out in the summer.
Division in spring[
]. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.