At Longmeadow Monty opens the programme admiring his still flowering Dahlias and, as October is the ideal time for planting shrubs, plants Magnolia stellata, Star magnolia in the Jewel Garden.At Longmeadow Monty opens the programme admiring his still flowering Dahlias and, as October is the ideal time for planting shrubs, plants Magnolia stellata, Star magnolia in the Jewel Garden.