Maltese Star Thistle

Centaurea melitensis

Physical Characteristics

Centaurea melitensis is a ANNUAL growing to 0.5 m (1ft 8in). See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from July to September, and the seeds ripen from September to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, Lepidoptera (Moths & Butterflies). The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

Distribution

Mediterranean region, eastwards to Greece and Tunisia. A not infrequent casual in Britain[17].

Habitats

Cultivated Beds;

Edible Uses

None known

Medicinal Uses

The plant is used in the treatment of the kidneys[257].

Known Hazards

None known