By Liam Gilliver Despite the gloomy weather, it’s time to get back in the garden. Winter may not seem like the best time to be ticking off gardening jobs, but there are many advantages to getting your gloves on and bracing the cold. British horticulturist Monty Don says now is the perfect time to be getting on with tasks such as sowing salad crops, planting tulips, pruning fruit trees or decorative shrubs, and mulching. For those wanting beautiful blooms of hydrangeas to colour their gardens later this year, should make sure buds are well-protected as temperatures plunge below freezing. But th…