Roberta is one of America’s foremost botanical artists and educators. She is a longtime member of the American Society of Botanical Artists and the Guild of Natural Science Illustrators and for 28 years was an instructor at the New York Botanical Garden. She currently instructs botanical drawing and painting at her studio.
Her work is carefully drawn and painted from live specimens. Many of the plants are from her own garden or from gardens visited on excursions. The paintings are created in a variety of media on the finest quality archival papers.
Museum quality giclee prints are available for select images. Please contact for giclee prints, mini print cards and select originals for sale.
Watercolor on Arches 600 gsm / 300 lb hot press.
Watercolor on Fabriano 300 lb hot press paper
Definitive set of postal stamps for Palau $.01 - $10.00.
Watercolor pencil on Cartiere Maganani 6" x 18". Framed
Watercolor and watercolor pencil 12" x 16", framed. SOLD
Watercolor commissioned and published in National Gardening Magazine. Original framed available and giclee prints.
Watercolor pencil and watercolor on 300 lb Fabriano Artistico. 10" x 14". Unframed.
Gouache on Arches cold press 8" x 12"
Palauan stamps painted in acrylic on gessoed board. Commemorative b/w illustration and research.
Plants of the Bible stamps Client: Inter-Governmental Philatelic Corporation.
Flowers of the First Birth Ceremony, illustration, design, research stamps, first day cover envelope and cancellation mark design. December 1984
Stamps, Cover Envelope illustration, design, and research of first medicinal stamps of the Marshall Islands.
International Year of Peace and Statue of Liberty Stamps. SOLD
© www.RobertaRosenthal.com, Artist reserves all rights 2020
Click on video to see Roberta painting a rose