Plant of the Day
Wednesday 27 September 2017
Centaurea calcitrapa (star thistle, caltrap, mouse thorn) is a biennial or short lived perennial native to southern Europe, it produces prolific seeds and can be invasive of floodplains, dry forests, and grasslands. The plant thrives in a well-drained soil and can grow in areas of low nutrients and very alkaline conditions.
Jill Raggett









