1911, 23 May, Royal Horticultural Society Temple Show; Silver Flora Medal Certificate (158 x 228mm) awarded to Mr John MacWatt for Primulas and Auriculas.
1911, November, Scottish Horticultural Association; Silver Medal Certificate for Primulas (184 x 242mm) awarded to Dr John McWatt.
1914, Royal Horticultural Society Chelsea; Silver Gilt Banksian Medal Certificate (158 x 227mm) awarded to Mr MacWatt.
1920, June, Royal Horticultural Society; Silver Lindley Medal (44mm diameter), cased, inscribed on the edge ‘TO JOHN MACWATT FOR PRIMULAS CHELSEA 1920’.
1922, May, Royal Horticultural Society; Silver Gilt Lindley Medal 1922 (45mm diameter), cased, inscribed on edge ‘TO J, MACWATT ESQ FOR PRIMULAS CHELSEA 1922’.