The social media user didn t appear convinced, as they penned: Ummm not sure!
Monty cheekily joked: But you failed to spot the botox, the face lift, nose job, eye tuck, hair implants or the major dental reconstruction, so can you be absolutely certain about the hair?
The person in question admitted they were joking around with the horticulturalist.
Monty Don took to Twitter and admitted he doesn t dye his hair (Image: TWITTER MONTY DON)
Monty Don pictured alongside his wife Sarah Don (Image: GETTY)
They replied: Ha! Because it’s way too good #jokes. Thanks for having some fun.
Monty regularly interacts with his fans on the micro-blogging site where he often shares tips and gardening advice.