A cash-strapped garden centre is set for a £3 million overhaul complete with a larger restaurant in a bid to attract more customers. Grovewell Folkestone Garden Centre’s revamp will also see a fresh courtyard, alongside a new car park, children’s play area, and 40 more jobs. With stores in Tenterden, Canterbury and Hamstreet near Ashford, the family-run chain hopes modernizing its Swingfield Minnis branch will help make money. Owner Edward Boult said: “It’s already quite a busy store, but the facilities are very dated and, to be honest, I have struggled to make a profit there. “But I think tha…