Cold winter sees trial onions mature late Early-maturing varieties fare best at annual onion seed demonstration day as severe cold winter conditions take their toll. by Rachel Anderson Sign in to continue Sign in Email address Password Stay signed in Trouble signing in? Reset password: Click here Email: hwsupport@haymarket.com Call: 020 8267 8121 Register FREE 14 days limited access to subscriber-only content Register Subscribe From £299/pa Full access to horticultureweek.com Monthly print issue for 12 months Keep track of competitors, market trends, and policy changes with sector specific email bulletins Live email alerts from the pest and disease tracker New project leads and business prospects every week through the landscape leads service Bespoke multi-user packages available Choose a Package