Begin your search for a cheap car rental close to RHS Garden Rosemoor by entering your getaway dates and pick-up and drop-off points. That’s how competitive a car rental can be around this major attraction, but there are a few things that will influence the price — your travel dates are just the start. Whatever your budget or type of car you want, Expedia has awesome offers from a big range of car rental companies that’ll get you behind the wheel for less.