These trials are for exhibition dahlias. Cultivars are grown with some under covers and others in the open to best assess how they perform in differing conditions. Awards are given after a season’s judging, the overall best cultivar receiving the Harry Howarth Memorial Medal.

For more details or to submit cultivars for future trials, please contact Trials Co-ordinator: Mr D. Fowler, 64 Brigg lane, Camblesforth, Near Selby North Yorkshire Y08 8HD. Tel 01757618089

Update: The 2023 Trials are going ahead.  An application form is available by clicking here.

Trial Results 2022

Gold AwardRossendale Donald
Silver AwardKirton Red Wine
Bronze AwardKirton Dr Salpal
Certificate of Exhibition MeritChristine Laider

Previous winners of the Harry Howarth Memorial Medal are shown below:

Year Winning VarietyType
2022ROSSENDALE DONALDMini Dec
2021SKELMRSDALE JAYNEMini Dec
2020no trialno trial
2019MAYA'S RHONDAPom
2018AGGIE WHITEG. D.
2017JOSUDI AURORAMin C.
2016GAVIN'S CHOICESmall Dec
2015ASKWITH JOSEPHINEM. D.
2014BLYTON VALENTINEMin D.
2013MS KENNEDYLPom
2012KILBURN GLOWWL
2011JOHN HILLDG
2010WESTON STARDUSTMin. S.C.
2009JEAN SHAWG. D.
2008CARSTONE VALIANTS. Ba.
2007SUSAN GILLIOTM.S.C.
2006SHEP'S MEMORYS.W.L.
2005LAKELAND SUNSETS.S.C.
2004ADAM CLARKSONS.S.C.
2003SASCHAS.W.L.
2002MARYS JOMANDAMin. Ba.
2001PRIMROSE PASTELLEM.S.C.
2000HILLCREST KISMETM.D.
1999JANAL AMYG.S.C.
1998KELSEA CARLAS.C.
1997JOMANDAS/Min. Ba.
1996CARSTONE RUBYS/Min. D.
1995AMGARD DELICATEL.D.
1994JEAN McMILLANS.C.
1993KENORA CHALLENGERL.S.C.
1992ANGLIAN WATERMin. D.
1991CRYFIELD KEENEL.S.C.
1990HILLCREST ALBINOM.S.C.
1989MARTIN TURNERL.S.C.
1988GRENIDOR PASTELLEM.S.C.
1987LADY KERKRADES.C.
1986CANDY BEAUTYS.C.
1985WHITE MOONLIGHT

M.S.C.