Christmas Conservatory En Plein Air

Christmas Conservatory En Plein Air

In-Person Creative Arts Class
A person using pastels to create a piece of art inspired by an indoor plant conservatory.
Bill Hill

Dates & Prices

Sunday, December 7, 2025
7:00–10:00 pm


Fee: $99

Fee for Innovators, Gardens Preferred, and Gardens Premium Members: $89


This class is intended as an adult learning experience. Find out more about our Family Learning experiences.

Registrations may be cancelled up to two weeks before the event, and your registration fee, less a $30 processing fee, will be refunded.

To notify us of your cancellation, email us or call 610-388-5454.

Register by December 2, 2025

Gardens Preferred, Gardens Premium Members and Innovators save on Continuing Education Courses

A 10% discount on classes will be applied automatically at the time of checkout. 

 

Enjoy exclusive early-morning Gardens access during a four-hour, in-person painting experience inside the West, East, and Main Conservatories with your choice of medium, easel, and tools. Enjoy plenty of inspiration in this spectacular setting amid the thousands of lights and incredible displays. Find the perfect place(s) to paint and work independently at your leisure with feedback and guidance from instructor Diana Heitzman. You’ll leave with a beautiful depiction of your favorite aspects of our indoor Christmas display—painted by you!

Location

The Longwood Gardens Conservatories

Instructors

Diana Heitzman

Diana Heitzman is an artist who is active in botanical painting. She received a Bachelor of Fine Arts from Tyler School of Art in Philadelphia, and studied at Temple University in Rome, Italy. Post-graduation, Heitzman studied graphic design and advertising at Moore College of Art in Philadelphia and worked as an art director. Heitzman has taught in Cape May County as well as Mt Cuba Center and Center of the Creative Arts in Delaware. She has shown her work in several galleries and completed multiple commissions, including the Wilmington Flower Market Poster. For the past 20 years she has exhibited and sold her paintings at the annual Philadelphia Flower Show. She is a member of the American Society of Botanical Artists and the Philadelphia Society of Botanical Illustrators.

Recommended Supplies

  • Portable stool or chair
  • Easel
  • If working with watercolors:
    • Moleskin watercolor album, 135lb. journal/sketchbook, or watercolor block
    • 2H and HB pencils and hand sharpener
    • Plastic or kneaded eraser
    • Pan watercolors or portable palette with paints
    • Small container for water
    • Watercolor brushes
    • Paper towels or rags
    • Viewfinders
    • 12” ruler (optional)
    • Micron .01 and .05 pens (optional)
    • Small kitchen sponge (optional)
  • If working with oils or acrylics:
    • Brush holder
    • Favorite paintbrushes
    • Gesso board/canvas
    • Portable easel
    • Palette knife
    • Assorted paints
    • Solvents
    • Paper towels or rags
    • Viewfinders