Catalogue › Flowers › Thistle (Cirsium)Engelmann's thistle (Cirsium engelmannii)(c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'KennonSame genusVancouver thistle (Cirsium vancouverense)Tall thistle (Cirsium altissimum)Rose thistle (Cirsium andersonii)Franciscan thistle (Cirsium andrewsii)Arizona thistle (Cirsium arizonicum)Barneby's thistle (Cirsium barnebyi)Palouse thistle (Cirsium brevifolium)Clustered thistle (Cirsium brevistylum)The whole genus Thistle (Cirsium)What to sow this week Browse the catalogue
(c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon