Grows to 4ft in height & as much [through] & is a true perennial plant. Flowers continually through out the summer & autumn. Cultivated at Primley Botanic Nursery, Paignton, S. Devon. Sole Proprietor: H. Whitley; Manager: J. Hill. Attached note dated 15 October 1925 (923) with collection details: "Dear Sir, The enclosed plant which we are distributing under name of Malva "Primley Blue" was dicovered by Ms [illegible] Whitley in Somerset & as we cannot find record of any such plant we are now appealing to you to see if you can tell us anything about it. [...]"