Organised by the New Horizons Appeal Committee, the evening will include talks by gardening experts, including tree specialist Tom Wright, a themed quiz and tours around the display of garden sculptures and artefacts.
The sculptures will be sold on May 20, followed by a closed bid auction for small pieces.
A limited number of tickets are available for the charity evening at £25, or £20 if booked before end of April, including wine and canapés.
Call 01293 447367 or email elizabeth@stch.org.uk