Thousands of plants will be up for sale at an event on Sunday, May 13.
The 16th annual spring plant fair will be at the Ashridge Estate Visitor Centre from 11am to 4pm.
The event had about 4,000 plants on sale last year and made £7,000. Profits go towards the upkeep of the estate.
To learn more, phone organiser John Cartwright on 01442 864 984.