His Majesty, 77, welcomed football star Sir David, along with Royal Horticultural Society ambassador Alan Titchmarsh and garden designer Frances Tophill.
Admitting to 'knocking on a bit', Alan Titchmarsh revealed last week he was selling his £4million home because he feared he wouldn't be able to look after its four-acre garden much longer.
The All England Club is on a mission to become more sustainable and has made the decision to replace a popular food with crushed peas at this year's tournament, according to The Sunday Times .
Gardening guru Alan Titchmarsh has spoken of his admiration for King Charles for 'battling on' despite the inevitable fatigue caused by his cancer treatment.