rosette of young green leaves of canada thistle, also creeping or field thistle, cirsium arvense, growing in a flower bed.

thistle cirsium field weed green rosette creeping growing young leaves invasive flower sunny day bed environment plant garden season color background closeup arvense leaf injurious prickly stingerneedles land grow close herbicide noxious outdoor summer nature spring growth natural foliage agriculture ground thorns sunshine mulch fresh medicinal canadian hard cursed canada also bed weed