RHS trial of autumn-flowering gentians
60 varieties under consideration for the Award of Garden Merit
LHS is currently hosting a trial of autumn-flowering gentians at Holehird Gardens on behalf of the RHS. The trial will run from 2017 to 2019, and will conclude with the best varieties being given the coveted status of Award of Garden Merit (AGM). The trial beds at Holehird are situated in the Paddock and are open to visitors at all times.
Autumn flowering gentians provide a most welcome boost of colour in the garden as summer draws to a close. They come from Asia, from the Himalayas and the mountains further east. The plants require neutral to acid soil, and enjoy plenty of moisture in the growing season. Good light and drainage are also important. Given these conditions, gentians are not difficult plants to grow, on the rock garden, at the front of a border, or in pots or troughs.
In the garden, the first cultivars to bloom display their stunning blue flowers as early as the beginning of August. The peak flowering time is throughout the months of September and October, with later varieties extending the season well into November.