Horticulture Classes

Develop the vital skills needed to protect and manage landscapes, maintain healthy trees, design attractive gardens, and produce landscape plants. Many horticulture students start their own businesses or pursue rewarding careers in a breadth of areas, including landscaping companies, nurseries and garden centers, public parks, botanical gardens, and private estates. Enroll in a single class or pursue a Horticulture Certificate.

Click here for an overview of the Certificate Program.


September

This class will take place online. Registered students will receive login instructions.
Soil is a dynamic, living organism and the very foundation of sustainable horticulture and agriculture. This course focuses on the texture, structure, density, and color of more...
211HRT301CO 09/22 Tu 2:00pm-5:00pm Grossman
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
This course is designed for horticulturists and gardeners who are familiar with more...
211HRT338ABL 09/23 We 5:30pm-7:30pm Hagen
BLENDED

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
211HRT300JO 09/24 Th 10:30am-12:30pm Grossman
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn the basic techniques of landscape gardening, with an emphasis on ecologically more...
211HRT311BL 09/24 Th 4:30pm-7:30pm Weinstein
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Plants surround us in a profusion of forms. But in naturally occurring more...
211HRT140BL 09/25 Fr 9:30am-11:00am Schuler
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Explore how to identify and use major groups of shade trees and more...
211HRT331ABL 09/25 Fr 10:00am-2:00pm Nolan
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Examine the use of plants in the landscape with an emphasis on more...
211HRT358CBL 09/26 Sa 10:00am-12:50pm D'Antonio
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn about common diseases of woody and herbaceous ornamentals and turfgrass caused more...
211HRT481BBL 09/26 Sa 10:00am-2:00pm Kokinchak
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
This course is designed for horticulturists and gardeners who are familiar with more...
211HRT338BBL 09/29 Tu 10:00am-2:00pm Ruggiero
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Examine the use of plants in the landscape with an emphasis on more...
211HRT358DBL 09/29 Tu 1:30pm-5:30pm Nolan
BLENDED

October

This class will take place online. Registered students will receive login instructions.

Learn the principles and techniques of plant propagation by seed and cuttings. Explore the basics of sexual and asexual propagation, with attention to fruit development, seedling more...
211HRT411PO 10/04 Su 10:00am-1:00pm Storrs
ONLINE

This class will take place online. Registered students will receive login instructions.
Join the cut flower farming revolution! Discover the basics of how to design, plant, grow, and harvest a cutting garden that will be productive throughout the more...
212HRT142O 10/04 Su 11:00am-1:00pm Breyer
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Explore how to identify and use major groups of shade trees and more...
212HRT331CBL 10/04 Su 10:00am-2:00pm McLaughlin
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Examine the use of plants in the landscape with an emphasis on more...
212HRT358ABL 10/04 Su 10:00am-1:00pm Moore
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn about common diseases of woody and herbaceous ornamentals and turfgrass caused more...
212HRT481ABL 10/04 Su 10:00am-1:00pm Kokinchak
BLENDED

This class will take place online. Registered students will receive login instructions.
Soil is a dynamic, living organism and the very foundation of sustainable horticulture and agriculture. This course focuses on the texture, structure, density, and color of more...
212HRT301AO 10/05 Mo 10:30am-1:30pm Grossman
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn how to identify and manage the common turf and landscape weeds more...
212HRT482BLS 10/05 Mo 4:30pm-7:30pm Deluca
BLENDED

This class will take place online. Registered students will receive login instructions.

As urban populations expand and access to arable land and potable water shrinks, agri-entrepreneurs are turning to innovative systems to grow food indoors without soil-aeroponics, aquaponics, more...
212HRT155AO 10/08 Th 6:00pm-7:00pm Yurgalevitch
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Explore how to identify and use major groups of shade trees and more...
212HRT331BBL 10/14 We 10:00am-2:00pm Ruggiero
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Examine the use of plants in the landscape with an emphasis on more...
212HRT358CBL 10/14 We 10:00am-2:00pm Nolan
BLENDED

This class will take place online. Registered students will receive login instructions.

Study the entire cannabis growing cycle, including best practices for critical harvest and post-harvest procedures and how artificial lighting and carbon dioxide enrichment can help maximize more...
212HRT156AO 10/15 Th 6:00pm-8:00pm DeBacco
ONLINE

This class will take place online. Registered students will receive login instructions.
This course introduces students to the practical skills required for growing plants in greenhouses with an emphasis on integrated management techniques. Topics include structures and equipment, more...
212HRT312PO 10/15 Th 5:00pm-7:15pm Gershberg
ONLINE

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
212HRT300AO 10/18 Su 10:30am-12:30pm Naghshineh
ONLINE
212HRT300BO 10/23 Fr 9:30am-11:30am Fusco
ONLINE

This class will take place online. Registered students will receive login instructions.
Soil is a dynamic, living organism and the very foundation of sustainable horticulture and agriculture. This course focuses on the texture, structure, density, and color of more...
212HRT301BO 10/25 Su 12:00pm-3:00pm Grossman
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Through course study and hands-on pruning, you will learn the best tools, more...
212HRT321ABL 10/29 Th 2:00pm-5:00pm Logan
BLENDED

November

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn native and non—native broadleaved evergreens; become familiar with their cultural requirements, more...
212HRT332BL 11/01 Su 10:30am-1:00pm Simeone
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Through course study and hands-on pruning, you will learn the best tools, more...
212HRT321BBL 11/03 Tu 10:00am-1:00pm Logan
BLENDED

This class will take place online. Registered students will receive login instructions.

Study the entire cannabis growing cycle, including best practices for critical harvest and post-harvest procedures and how artificial lighting and carbon dioxide enrichment can help maximize more...
212HRT156BO 11/10 Tu 6:00pm-8:00pm DeBacco
ONLINE

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
212HRT300CO 11/10 Tu 6:00pm-8:00pm Herrera
ONLINE

January

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Prepare for the Core (Basic) and Category 3 (Ornamentals and Turf) exams more...
213HRT357BLS 01/05 Tu 4:15pm-6:45pm Spencer
BLENDED

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Explore a holistic approach to keeping trees healthy and vigorous. Topics include more...
213HRT422BLS 01/06 We 1:00pm-3:00pm Cahilly
BLENDED

Explore a holistic approach to keeping trees healthy and vigorous. Topics include planting and transplanting, pruning, fertilization, root system management, common problems, tree defenses, and lightning protection. Samples of tree problems, supplies, and tools are exhibited.

Required more...
213HRT422S 01/06 We 1:00pm-3:00pm Cahilly
NYBG

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
213HRT300DO 01/11 Mo 10:30am-12:30pm Kutos
ONLINE

This class will take place online. Registered students will receive login instructions.

Learn how to nurture the soil so it can sustain your plants. Go beyond basic soil chemistry, by understanding the ionic exchange capacities of soil, as more...
213HRT302O 01/12 Tu 10:00am-1:00pm Lozefski
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn the basic techniques of winter tree identification using dormant-season characteristics. Buds, more...
213HRT440BL 01/14 Th 1:00pm-4:00pm Logan
BLENDED

This class will take place online. Registered students will receive login instructions.
Soil is a dynamic, living organism and the very foundation of sustainable horticulture and agriculture. This course focuses on the texture, structure, density, and color of more...
213HRT301PO 01/19 Tu 2:00pm-5:00pm Grossman
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Through course study and hands-on pruning, you will learn the best tools, more...
213HRT321PBL 01/22 Fr 10:00am-1:00pm Logan
BLENDED

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
212HRT300EO 01/23 Sa 10:30am-12:30pm Grossman
ONLINE

This class will take place online. Registered students will receive login instructions.
Soil is a dynamic, living organism and the very foundation of sustainable horticulture and agriculture. This course focuses on the texture, structure, density, and color of more...
213HRT301CO 01/23 Sa 10:30am-1:30pm Lozefski
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Through course study and hands-on pruning, you will learn the best tools, more...
213HRT321CBL 01/23 Sa 1:00pm-4:00pm Bishop
BLENDED

This class will take place online. Registered students will receive login instructions.

Learn the principles and techniques of plant propagation by seed and cuttings. Explore the basics of sexual and asexual propagation, with attention to fruit development, seedling more...
213HRT411AO 01/23 Sa 10:30am-1:30pm Storrs
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn how to manage annual and perennial gardens using a variety of more...
213HRT344BL 01/24 Su 10:00am-12:00pm Tarantino
BLENDED

This class will take place online. Registered students will receive login instructions.

Study the entire cannabis growing cycle, including best practices for critical harvest and post-harvest procedures and how artificial lighting and carbon dioxide enrichment can help maximize more...
213HRT156CO 01/27 We 6:00pm-8:00pm DeBacco
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Through lectures, laboratories, and field trips, learn how to work with plants more...
213HRT412BL 01/27 We 5:30pm-7:30pm Weinstein
BLENDED

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
213HRT300FO 01/28 Th 6:00pm-8:00pm Herrera
ONLINE

This class will take place online. Registered students will receive login instructions.

Learn the principles and techniques of plant propagation by seed and cuttings. Explore the basics of sexual and asexual propagation, with attention to fruit development, seedling more...
213HRT411BO 01/28 Th 10:00am-1:00pm Ruggiero
ONLINE

This class will take place online. Registered students will receive login instructions.

Whether you are a budding arborist or weekend woodcutter, knowing how to use your chainsaw safely and maintain it properly are keys to success. This lecture-demonstration more...
213HRT308O 01/31 Su 10:00am-12:10pm Picciano
ONLINE

February

This class will take place online. Registered students will receive login instructions.

Explore how to grow plants without soil using hydroponics, which promotes fast growth and requires less water and space than conventional gardens. You'll learn what systems more...
213HRT141O 02/02 Tu 6:15pm-8:15pm Kutz
Lodvikov
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Learn the identification, classification, and landscape use of native and non-native conifers more...
213HRT333BL 02/03 We 2:00pm-5:00pm Ruggiero
BLENDED

This class will take place online. Registered students will receive login instructions.

As urban populations expand and access to arable land and potable water shrinks, agri-entrepreneurs are turning to innovative systems to grow food indoors without soil-aeroponics, aquaponics, more...
213HRT155BO 02/04 Th 6:00pm-7:00pm Yurgalevitch
ONLINE

This class will take place online. Registered students will receive login instructions.
Designed for students who want a user–friendly introduction to plant science, this course surveys the major groups of plants—flowering plants, conifers, ferns, and bryophytes—focusing on plant more...
213HRT300GO 02/05 Fr 10:00am-12:00pm Day
ONLINE

This class will take place online. Registered students will receive login instructions.
Join the cut flower farming revolution! Discover the basics of how to design, plant, grow, and harvest a cutting garden that will be productive throughout the more...
213HRT142BO 02/11 Th 6:15pm-8:15pm Breyer
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Through course study and hands-on pruning, you will learn the best tools, more...
213HRT321DBL 02/11 Th 10:00am-1:00pm Logan
BLENDED

This class will take place online. Registered students will receive login instructions.
Soil is a dynamic, living organism and the very foundation of sustainable horticulture and agriculture. This course focuses on the texture, structure, density, and color of more...
213HRT301DO 02/22 Mo 6:00pm-8:00pm Grossman
ONLINE

This class will take place online. Registered students will receive login instructions.

Learn the fundamental principles of design in this studio-oriented course, including site analysis, schematic and finished planting plans, and various garden styles. Study the effective use more...
213HRT551O 02/22 Mo 6:00pm-8:50pm Salembier
ONLINE

This blended class meets online for some sessions and on NYBG grounds for others. Registered students will receive login instructions and a syllabus with specifics.
Examine the most important factors in the management and maintenance of commercial more...
213HRT443BL 02/25 Th 4:30pm-7:10pm Laswell
BLENDED