The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Rocket Candytuft
Iberis amara is an annual plant that can grow up to 0.30 metres tall.
It has edible and medicinal uses.
Western and southern Europe, including Britain, to N. Africa.
Dry calcareous soils on hillsides and in cornfields[
Easily grown in a good, well-drained ordinary garden soil in a sunny position[
]. Prefers a calcareous soil but tolerates mildly acid soils[
]. Succeeds in poor soils[
] and on dry walls[
A very ornamental plant[
]. A fast growing plant[
], do not grow the plants too close together[
The flowers are sweetly scented[
The seeds are sometimes used as a source of mustard[
]. Pungency of mustard develops when cold water is added to the ground-up seed - an enzyme (myrosin) acts on a glycoside (sinigrin) to produce a sulphur compound. The reaction takes 10 - 15 minutes. Mixing with hot water or vinegar, or adding salt, inhibits the enzyme and produces a mild bitter mustard[
Little used in modern herbalism, rocket candytuft is a bitter-tasting tonic, aiding digestion and relieving wind and bloating[
]. It is traditionally taken to treat gout, rheumatism and arthritis[
All parts of the plant are antirheumatic and antiscorbutic[
]. The seeds are considered very useful in the treatment of asthma, bronchitis and dropsy[
]. The plant is gathered in the summer and can be dried for later use[
]. The seeds are harvested when fully ripe[
A common homeopathic remedy is made from the seeds[
Seed - sow spring in situ for summer flowering or late summer in situ for a spring flowering[
]. The seed germinates within 3 weeks.