Thomas Rainer, a registered landscape architect, writer and teacher, will be speaking to the Rock Spring Garden Club on Thursday, Oct. 20, at 11 am on “Innovations in Planting Design” at Little Falls Presbyterian Church, 6025 Little Falls Road, Arlington.

Rainer will talk about how to confidently mix shrubs, perennials, and grasses in a new, more modern ecological style.

He has designed landscapes for the U.S. Capitol grounds, the Martin Luther King, Jr. Memorial, and The New York Botanical Garden.

He teaches planting design for the George Washington University Landscape Design program.

This event is free and open to the public. Those interested in taking part should RSVP by Oct. 14 to 703-533-2942. For more information, visit rockspringgardenclub.com.