Are there any walk-behind self-propelled mowers which allow for a cutting height up to 5"? 4.5" might do, but I'd like more range than most seem to offer. My St. Augustine sod likes to be higher than most mowers allow, particularly shady areas. Any mower recommendations here? I've seen a commercial Toro w a 5" cutting height, but really don't want to spend that much. Perhaps there are modifications which would make a Honda cut that high, but don't know what that might entail. Many thanks.