What to grow for winter wonder, summer down under and the tidy grow tunnel that gets vacuumed?

Even on a cold or dull January day there is always some winter wonders to be discovered in a botanic garden. This week, David Maxwell heads to the National Botanic Gardens at Glasnevin, just a few miles from the centre of Dublin. Outdoors he finds flowering Japanese Quince (Chaenomeles japonica) and the striking bark of Chilean Myrtle (Luma apiculata) while in the impressive “Curvilinear Range” he is blown away by the scent of Jasmine (Jasminium polyanthum) and the flowers of the Bird of Paradise plant (Strelitizia reginae) which are cosy under the glass. Also on the programme, a visit to Monkstown Village Community Garden in Newtownabbey where volunteers keep things so tidy that they actually vacuum the polytunnel, and Rosie Maye joins David in studio to answer question and offer some winter gardening inspiration. Contact the programme on gardenerscorner@bbc.co.uk