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Graham Rice on Trials

Updates on trials and awards from the Royal Horticultural Society by Graham Rice

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  • Visitor voting: Amaranthus, Celosia and Dahlia

    Graham Rice on 06 Jan 2010 at 03:32 PM

    A most valuable recent innovation at the Wisley trials has been the opportunity for visitors to vote for their favourites. I reported on the results of the buddleja voting back in December, now let's take a look at the voting for Amaranthus, Celosia and Dahlia. First off, I have to say that while... Read More...

  • Dark-leaved dahlias

    Graham Rice on 30 Dec 2009 at 03:04 PM

    For so long it was the flamboyance of the flowers that was the attraction of dahlias and no one paid any attention to the leaves. These days we take it for granted that many of the best garden dahlias don't have boring green leaves - they have luscious bronze or purplish foliage which is a feature... Read More...

  • Dahlias in containers

    Graham Rice on 28 Oct 2009 at 11:29 AM

    This year's dahlia trial at Wisley has been unusually fascinating and I'll be reporting on a number of its features over the next few weeks. Picking up on recent trends, this year twenty one of the entries were grown as individual plants in pots to assess their value as container plants. Immediately... Read More...

  • New (free!) dahlia bulletin

    Graham Rice on 12 Oct 2009 at 04:52 PM

    Dahlias are becoming increasingly fashionable. In particular, single-flowered and collarette dahlias are catching everyone's eye so after trialling many of them in recent years the RHS has produced a twelve page full colour bulletin entitled Open-centred Dahlias . Written by Wisley's Sue Drew... Read More...

  • Top dahlias

    Graham Rice on 29 Jan 2009 at 03:08 PM

    Last year the Wisley dahlia trial was one of the most colourful - and interesting - of the season. It usually is. It's always worth seeing just to admire the dazzling display. But of course there's a purpose to it: finding the best. Out of a grand total of one hundred and forty nine different... Read More...