Calamintha grandiflora is a perennial found in areas such as S. Europe. A member of the Labiatae family, Calamintha grandiflora (L.)Moench is also known by its common name of Large-Flowered Calamint. The perennial can grow to a height of 0.6 meters and up to 0.5 meters wide. The preferred habitat of Damp woods and scrub, often on limestone[187]., with LM soil and SN moisture levels. .

Large-Flowered Calamint is a zone 5 hardy plant that has medicinal uses - the medicinal usage rating of Large-Flowered Calamint is 2The leaves are aromatic, diaphoretic and expectorant[244]. An infusion is used in the treatment of jaundice, nervous complaints, convulsions and cramps[244]. A warm poultice of the leaves may help soothe bruises and rheumatic pains[244].

Calamintha grandiflora is 1 plant, whose flowers bloom typically in 7 - 9, and which is pollinated by Bees, insects.

The plant has an edibility rating of 2A sweet and aromatic herb tea is made from the leaves[183]. Very refreshing. The leaves are harvested as . The plant comes into flower and are dried for later use[244]. Leaves - used as a flavouring. A pleasant mint-like fragrance and flavour[183].

Cultivation tips: Prefers a well-drained soil and a sunny position[208]. Succeeds in any good soil in sun or partial shade[187]. Established plants are drought tolerant[190], preferring a soil on the dry side[208]. . The plant is pleasantly fragrant when bruised[187]. The flowers have a delicious minty scent[245]. Plants often self-sow in gardens if they are well-sited[208].

. The plant should best be propagated
by Seed - sow spring in a greenhouse. Only just cover the seed. Germination usually takes place within 2 weeks at 21°c. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse. Plant them out into their permanent positions in the summer if they are large enough, otherwise plant them out the following spring. The seed can also be sown outdoors in a dry soil in April[244]. Division in spring or autumn[244]. Very easy, larger clumps can be planted direct into their permanent positions. It is best to pot up smaller clumps and grow them on in a cold frame until they are well rooted before planting them out in the summer. Basal cuttings in May or June[244]. They should be rooted in a sandy compost[245]. Harvest the shoots when they are about 10 - 15 centimeters long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.

A sweet and aromatic herb tea is made from the leaves[183]. Very refreshing. The leaves are harvested as . The plant comes into flower and are dried for later use[244]. Leaves - used as a flavouring. A pleasant mint-like fragrance and flavour[183].