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Classes and Workshops
2025

Wallkill River Center for the Arts

232 Ward St (17K)

Montgomery, NY

 

New Courses

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Sketching Flowers and landscape

with watercolor pencils and fine line pen.

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Orange County Arboretum

Thomas Bull Memorial Park

211 NY- 416 Montgomery, NY

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To Register go to the below.

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July 17, 24, 31

9:30 am - 12:30 pm

limited to 6 students. 

This class is outdoors please have a hat, water, 

art supplies, bug spray and/or sunblock. 

You can bring a light lunch or beverage. In case of rain

we will meet the next day. Meet in the parking lot.

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Materials list: is on the website Wallkill.art

 

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Previous Classes 2025

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Still life Botanical & Plant Drawing and Painting in Watercolor Pencil with Roberta Rosenthal​

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Thursdays, May 8, 15, 22, 29

10:00 am - 1:00 pm 

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June 12, 19, 26, 

10:00 am - 1:00 pm

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New course: Botanical and Plant drawing with Watercolor Pencil

With Roberta Rosenthal

For beginners, intermediate and advanced students

 

Dates: Thursdays, January 16, 23, 30, 2025 (snow date February 6)

Time: 10:00am -12:30 pm

 

At the Wallkill Center for the Arts Price: $175, $150 members limit 6-8 students

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 Watercolor botanical Landscapes or Still life

watercolor pencil and watercolors with 

Roberta Rosenthal

 

Dates: Thursdays, February 13, 20, 27 snow date February 28, 2025

Time: 10 am -12:30 pm

 

At the Wallkill Center for the Arts Price: $175, $150 members limit 6-8 students

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https://wallkill.art/event/10-24-botanical-drawing-in-watercolor-pencil-with-roberta-rosenthal/

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Roses watercolor pencil

Indian Corn watercolor pencil

Jerusalem  Still life watercolor and pencil

• SUMI-E BRUSH PAINTING •

Ink & Watercolor or Gouache 

Beginners to advanced students work from instructors
lessons focus on brushstrokes, bamboo, orchid, chrysanthemum and plum blossom. How to get tone values, design negative space and balance. A zen meditation in art.
 

Limited to (4) four students maximum at Squirrels Nest Studio.

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Beginners to advanced. All welcome.

Geared to adults - seniors.

1 class $50 

All 4 (four) classes as a "group of 4 (four) students" for $200. each person for 3 hour session.

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Class is rescheduled if there is extreme weather impending.

A materials list and directions is provided upon registration.

send questions to my contact page. Payment in person first day of class. check or cash. 

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• BOTANICAL ART Workshops •
    
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Drawing and watercolor painting techniques
Semi-private instruction at
Squirrels Nest Studio. 
 
TBA
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Time: 10:30 am - 3:30 pm

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Instructor:  R. Rosenthal

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Draw with graphite pencils, watercolor pencils and tube or pan watercolors detailed realistic botanical subjects. Flowers, live plants or dried specimens. Limited to 4 students. 

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For materials list contact the studio.

Fee: $140.00 for a full day.

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Please bring lunch for full day class. Beverages are supplied.

 

Zoom or Facetime private video instruction 

is available by appointment only. $150 per hour.

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• Calligraphy Basics: 

classes at Squirrels Nest Studio 

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 Date to be announced

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Learn Basic calligraphy using marker calligraphy pens on parchment paper.

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Learn letter forms of Italic, Roman and Uncial font alphabets and numerals. 

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With practice you will learn how to use the basic calligraphy for invitations, holiday menus, poems or greeting cards/envelopes

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Materials list available when contacting studio to register.

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Fee: 

Class of 4 students 

(Materials can be purchased locally at

Newburgh Art Supply Store

Dick Blick (online)

John Neal Book Sellers and Materials (online)

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Squirrels Nest Studio Private Mentorship

For beginners, intermediate and advanced students. Work on personal projects with the assistance of a seasoned professional to help solve technical and creative blocks. Create a new series or portfolio. Exhibit development. Watercolor pencil, graphite pencil for drawing and use sumi-e ink, watercolor or gouache on rice paper or archival watercolor paper. Depict flowers, feathers, shells, insects, birds, animals or still lifelandscapes. If you have a project in mind bring live or dried references for flowers or other items. Materials list on request.

In person or zoom/facetime. $150 per hour.

 

Instructor: Roberta Rosenthal

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To Register: please go to my contact page

Please register in advance and request materials list and studio directions.

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Professional Business Practices
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and 

Professional Business Practices and Marketing

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Be prepared to exhibit and market your work by learning necessary business practices, including press kit, contracts, commercial and fine art markets, negotiation, resume writing, portfolio development, and legal issues. Learn how to exhibit your fine art and what you need to know about commercial art commissions and licensing. Learn how to use social media to market your work such as Facebook, Instagram, or Pinterest, blogs, Instagram and more. Basic web site development and blog using your lap top computer. Best of all how to price your art for any market. 

 

Excellent for high school seniors, college graduates or those who wish to increase their marketing skills or art career direction.

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Contact for information.

 

Instructor, Roberta Rosenthal was an executive director of job placement for the Graphic Artists Guild of NY, she represented a variety of artists in graphic design, illustration and fine art from her own studio from 1977-2000. She has participated in portfolio reviews for The Fashion Institute of Technology, Connecticut State College, Parsons School of Design, Advertising Associations, AWED, Women in Design, and taught Business Practices for Artists at the NY Botanical Gardens from 1990 - 2015, GNSI and studied artist representation with Elaine Sorel.

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© Roberta Rosenthal all rights reserved 2025

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