A castle is holding a three-day garden party this upcoming bank holiday. From Saturday (May 4) until bank holiday Monday (May 6), Belvoir Castle is holding a host of activities for all of the family. Horticulturist expert Jonathan Moseley will be sharing his top tips with green fingered visitors through a series of in-depth talks. There will also be an array of stalls showcasing flowers, blooms and garden accessories available to purchase for gardening fans, whether they be beginners or experts. For the younger visitors, there will be nature-inspired crafts going on, giving them the chance to …