The RHS has told show exhibitors that only British-grown hebe, rosemary, lavender, oleander, olives, polygala, coffee, Spanish broom and prunus will be allowed at its shows, including RHS Chelsea Flower Show 2018.
The RHS has told show exhibitors that only British-grown hebe, rosemary, lavender, oleander, olives, polygala, coffee, Spanish broom and prunus will be allowed at its shows, including RHS Chelsea Flower Show 2018.
