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.


January

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 production, root initiation, stem and leaf cuttings, and layering. Materials included. Prerequisite: Introduction to more...
203HRT411B 01/28 Tu 1:30pm-4:30pm Ruggiero
NYBG

Through lectures, laboratories, and field trips, learn how to work with plants that are difficult to propagate by seed or cuttings. Subjects include advanced seed propagation and techniques of grafting, budding, and micro-propagation. Learn about tissue culture at the Garden's more...
203HRT412A 01/28 Tu 5:00pm-8:00pm Weinstein
NYBG

February

The American Society for Horticultural Science (ASHS) offers a national credential validating the knowledge and skills of practitioners in the horticulture industry. The exam assesses performance in 35 tasks in seven major categories of horticultural practice. The application deadline is more...
203HRT148 02/01 Sa 9:00am-1:00pm NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
203HRT300G 02/01 Sa 10:00am-12:40pm Satch
MDTN

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 course by an ISA-certified arborist teaches you the basics of chainsaw use and care, more...
203HRT308 02/02 Su 9:00am-3:30pm Picciano
NYBG

Hydroponics is a different way to think about and cultivate plants, and it is known for beautiful and fast growth. This course covers hydroponic basics, including system types, soilless nutrition, and crop selection. Focus will be on home-scale systems, though more...
203HRT141 02/04 Tu 6:15pm-8:15pm Kutz
Lodvikov
MDTN

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
203HRT300H 02/04 Tu 10:00am-12:40pm Kutos
NYBG

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 different soils and the dynamic relationship that exists among soil, water, and plants. Through more...
203HRT301S 02/05 We 10:00am-1:00pm Lozefski
NYBG

Learn the identification, classification, and landscape use of native and non-native conifers that thrive in the northeastern United States. Major plant groups studied include Chamaecyparis, Picea, and Pinus. Gain a working knowledge of the best species and cultivars of conifers more...
203HRT333B 02/05 We 2:00pm-4:00pm Ruggiero
NYBG

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 seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh more...
203HRT142 02/06 Th 6:15pm-8:15pm Breyer
MDTN

Discover the details of making a landscaping business work. Explore the type of business to create: design, installation, construction, maintenance, estimating or some combination. Learn about legal requirements, advertising, customer relations, and human resources. Discuss the monetary aspects: start-up costs, more...
203HRT349 02/07 Fr 10:00am-1:20pm Petrow
NYBG

Through course study and hands-on pruning, you will learn the best tools, techniques, and timing to use when you prune to help shrubs, conifers, broadleaves, evergreens, and deciduous plants thrive. Explore how woody plant structure and physiology influence pruning. You'll more...
203HRT321S 02/13 Th 1:00pm-4:00pm Logan
NYBG

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 of color when selecting specific garden plants and learn various color schemes such as more...
203HRT551A 02/24 Mo 6:15pm-9:05pm McKillop
NYBG

Examine the most important factors in the management and maintenance of commercial and residential landscapes using sustainable techniques. Learn to develop programs that reduce adverse effects on the environment, including alternative approaches to conventional lawn management. Focus on how to more...
203HRT443P 02/27 Th 4:30pm-7:00pm Laswell
NYBG

March

Learn the basic techniques of landscape gardening, with an emphasis on ecologically appropriate practices. Topics include soil preparation, efficient water and fertilization practices, planting and transplanting, cultivation techniques, and maintaining healthy plants. Wear sturdy shoes, and come prepared to work more...
203HRT311P 03/10 Tu 4:30pm-7:30pm Weinstein
NYBG

This course is designed for horticulturists, gardeners, or designers who want to learn to identify and classify familiar and unusual spring-, summer-, and autumn-flowering bulbs. We will also focus on understanding their biology. Prerequisite: Introduction to Plant Science

Materials
Assorted more...
203HRT342A 03/11 We 4:00pm-6:00pm McDowell
NYBG
203HRT342S 03/12 Th 4:30pm-6:30pm Hagen
NYBG

Award-winning Caribbean-American writer Jamaica Kincaid is best known for her evocative portrayals of family relationships, interwoven with themes of the colonial legacy, gender, race, and class. But she is also a passionate and perceptive gardener, who has expanded the scope more...
203HRT840 03/13 Fr 11:00am-12:30pm Kincaid
Jewell
NYBG

Artist Sam Van Aken takes grafting to a whole new level. His famed Tree of 40 Fruit contains multiple varieties of peaches, plums, apricots, cherries and apples that blossom and produce fruit sequentially. In this hands-on workshop, explore the basics more...
203HRT174S 03/20 Fr 10:00am-1:00pm Van Aken
NYBG

Learn how trees survive the many perils of the urban environment. Soil compaction, construction damage, and land development practices can lead to tree decline and early mortality in trees. Examine the biology of trees, and learn how they respond to more...
203HRT426 03/21 Sa 11:00am-2:00pm Picciano
NYBG

This course is designed for horticulturists who maintain or direct the maintenance of outdoor landscapes. We'll review methods of calculating areas, application rates for fertilizers, and amounts of soil amendments during the first session, and analyze a set of homework more...
203HRT356 03/23 Mo 4:30pm-6:30pm Weinstein
NYBG

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 different soils and the dynamic relationship that exists among soil, water, and plants. Through more...
203HRT301E 03/24 Tu 10:30am-1:30pm Paltseva
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
203HRT300A 03/25 We 10:00am-12:40pm Grossman
NYBG

Plantsman extraordinaire Sean Hogan has nurtured a thriving horticulture community in the Pacific Northwest, altering that region's perspective about plants, as well as long-held ideas across the U.S. and Europe. Hogan's former home-a "garden with house attached" squeezed onto a more...
203GAR801D 03/26 Th 10:00am-11:30am Hogan
NYBG

Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place, based on site-specific design and maintenance criteria. Learn aspects of special landscape values such as size, texture, color, and flowering more...
203HRT358D 03/28 Sa 10:30am-1:10pm D'Antonio
NYBG

April

Graphics are essential in developing and communicating your design ideas. Practice various graphic techniques and learn how to organize and render landscape plans on paper for optimal presentation to clients. Work with a range of drawing materials and drafting equipment. more...
204LAN311A 04/02 Th 10:00am-1:00pm Einhorn
NYBG

Learn the identification, classification, and landscape use of spring-flowering trees and shrubs. Major plant groups include Magnolia, Malus, Prunus, Viburnum,and other genera, which are particularly ornamental in spring. The class goes out on the grounds rain or shine.Prerequisite: Introduction to more...
204HRT334A 04/04 Sa 10:00am-1:00pm Simeone
NYBG

Artist Sam Van Aken takes grafting to a whole new level. His famed Tree of 40 Fruit contains multiple varieties of peaches, plums, apricots, cherries and apples that blossom and produce fruit sequentially. In this hands-on workshop, explore the basics more...
204HRT174 04/05 Su 9:00am-12:00pm Van Aken
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
204HRT300B 04/05 Su 10:00am-12:40pm Alvarez
NYBG

Learn the identification, classification, and landscape use of spring-flowering trees and shrubs. Major plant groups include Magnolia, Malus, Prunus, Viburnum,and other genera, which are particularly ornamental in spring. The class goes out on the grounds rain or shine.Prerequisite: Introduction to more...
204HRT334B 04/07 Tu 10:00am-1:00pm Nolan
NYBG

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 production, root initiation, stem and leaf cuttings, and layering. Materials included. Prerequisite: Introduction to more...
204HRT411A 04/13 Mo 6:00pm-9:00pm Ruggiero
NYBG

Learn about common diseases of woody and herbaceous ornamentals and turfgrass caused by bacteria, fungi, nematodes, viruses, and abiotic factors and the cultural, biological, and least toxic strategies for their control. Discuss diagnoses of plant problems, including identification of disease— more...
204HRT481A 04/15 We 4:30pm-7:30pm Kokinchak
NYBG

Learn the identification, classification, and landscape use of spring-flowering trees and shrubs. Major plant groups include Magnolia, Malus, Prunus, Viburnum,and other genera, which are particularly ornamental in spring. The class goes out on the grounds rain or shine.Prerequisite: Introduction to more...
204HRT334C 04/16 Th 1:30pm-4:30pm Ruggiero
NYBG
204HRT334D 04/17 Fr 10:00am-1:00pm Ruggiero
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
204HRT300C 04/18 Sa 10:00am-12:40pm Day
MDTN

This course is designed for horticulturists and gardeners who are familiar with the basic culture of perennials. Learn the identifying characteristics, classification, scientific and common names, and landscape uses of approximately 60 spring-bloomingperennials. Please dress appropriately for outdoors. Prerequisite: Introduction more...
204HRT336A 04/26 Su 10:30am-1:30pm Grossman
NYBG

May

Scout for signs of pests in NYBG's diverse gardens, explore diagnostic skills to identify the problems, and develop a potential Insect Pest Management plan.
204HRT417A 05/03 Su 10:00am-1:00pm Conaway
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
204HRT300D 05/04 Mo 6:00pm-8:40pm Grossman
MDTN

Graphics are essential in developing and communicating your design ideas. Practice various graphic techniques and learn how to organize and render landscape plans on paper for optimal presentation to clients. Work with a range of drawing materials and drafting equipment. more...
204LAN311B 05/05 Tu 6:15pm-9:15pm Capparelli
NYBG

Learn to identify the insects common to the northeastern United States that feed on woody and herbaceous plants and the damage that they cause. Learn to judge the severity of an infestation and to select and implement control measures based more...
204HRT381S 05/06 We 12:30pm-3:30pm Kokinchak
NYBG
204HRT381A 05/07 Th 4:30pm-7:30pm Gabel
NYBG

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 well as how a soil's pH affects what nutrients are available to plants. Explore more...
204HRT302 05/09 Sa 10:30am-1:30pm Paltseva
NYBG

Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place, based on site-specific design and maintenance criteria. Learn aspects of special landscape values such as size, texture, color, and flowering more...
204HRT358A 05/12 Tu 10:00am-12:40pm Ruggiero
NCNC

This course is designed for horticulturists and gardeners who are familiar with the basic culture of perennials. Learn the identifying characteristics, classification, scientific and common names, and landscape uses of approximately 60 spring-bloomingperennials. Please dress appropriately for outdoors. Prerequisite: Introduction more...
204HRT336B 05/29 Fr 10:00am-1:00pm Ruggiero
NYBG

The need for skilled indoor plant techs is growing as more and more companies add living plants to their décor. NYBG greenhouse gardener Anna Ellingboe will teach you how to water, groom, repot, and manage indoor plants. Get the inside more...
204HRT166 05/30 Sa 10:00am-1:00pm Ellingboe
Douglass
NYBG

Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place, based on site-specific design and maintenance criteria. Learn aspects of special landscape values such as size, texture, color, and flowering more...
204HRT358B 05/30 Sa 10:00am-1:15pm Simeone
NYBG

Improve your climbing skills by learning techniques such as rope setting, knot tying, body thrusting, doublecrotching, foot locking, and limb walking. Taught on the Garden grounds, this class offers expert instruction and critique. Wear comfortable clothing, sturdy work, or hiking more...
204HRT304 05/31 Su 9:00am-2:30pm Picciano
Davila
NYBG

June

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
204HRT300E 06/02 Tu 10:00am-12:40pm Grossman
NYBG

This course is designed for horticulturists and gardeners who are familiar with the basic culture of perennials. Learn the identifying characteristics, classification, scientific and common names, and landscape uses of approximately 60 spring-bloomingperennials. Please dress appropriately for outdoors. Prerequisite: Introduction more...
204HRT336S 06/03 We 4:30pm-7:30pm Bronson
NYBG

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 different soils and the dynamic relationship that exists among soil, water, and plants. Through more...
204HRT301A 06/10 We 6:00pm-9:00pm Grossman
MDTN
204HRT301B 06/11 Th 10:00am-1:00pm Grossman
NYBG

Mass production methods for growing cannabis differ from those used by boutique or "craft" growers. Learn best practices for growing in a greenhouse or outdoors, and examine the pros and cons of using different hydroponics systems. Discover natural ways to more...
204HRT156 06/14 Su 10:00am-2:00pm DeBacco
NYBG

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 production, root initiation, stem and leaf cuttings, and layering. Materials included. Prerequisite: Introduction to more...
204HRT411B 06/28 Su 10:00am-1:00pm Ruggiero
NYBG

July

Graphics are essential in developing and communicating your design ideas. Practice various graphic techniques and learn how to organize and render landscape plans on paper for optimal presentation to clients. Work with a range of drawing materials and drafting equipment. more...
211LAN311C 07/06 Mo 6:00pm-9:00pm Poccia
MDTN

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 production, root initiation, stem and leaf cuttings, and layering. Materials included. Prerequisite: Introduction to more...
211HRT411C 07/07 Tu 6:00pm-9:00pm Storrs
MDTN

Become familiar with the identification, culture, and landscape use of annuals and select tender perennials. Review major groups of common species as well as more unusual types. Learn how to choose low-maintenance plants, and review the scientific and common names more...
211HRT341A 07/08 We 10:30am-12:30pm Ruggiero
NYBG

Plants surround us in a profusion of forms. But in naturally occurring landscapes, these combinations are far from random, and are often dictated by complex factors, which limit or encourage the growth of particular plants. In this workshop you will more...
211HRT140A 07/17 Fr 10:00am-1:00pm Arcate Schuler
NYBG

Become familiar with the identification, culture, and landscape use of annuals and select tender perennials. Review major groups of common species as well as more unusual types. Learn how to choose low-maintenance plants, and review the scientific and common names more...
211HRT341B 07/19 Su 10:00am-12:00pm Simeone
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
211HRT300F 07/27 Mo 6:00pm-8:40pm Grossman
MDTN

Hydroponics is a different way to think about and cultivate plants, and it is known for beautiful and fast growth. This course covers hydroponic basics, including system types, soilless nutrition, and crop selection. Focus will be on home-scale systems, though more...
211HRT141 07/30 Th 6:15pm-8:15pm Kutz
Lodvikov
NYBG

August

Scout for signs of pests in NYBG's diverse gardens, explore diagnostic skills to identify the problems, and develop a potential Insect Pest Management plan.
211HRT417B 08/09 Su 10:00am-1:00pm Conaway
NYBG

Plants surround us in a profusion of forms. But in naturally occurring landscapes, these combinations are far from random, and are often dictated by complex factors, which limit or encourage the growth of particular plants. In this workshop you will more...
211HRT140B 08/22 Sa 10:00am-1:00pm Dropkin
MDTN

September

This course is designed for horticulturists and gardeners who are familiar with the basic culture of perennials. Learn the identifying characteristics, classification, scientific and common names, and landscape uses of approximately 60 summer- and fall-blooming native and non-native perennials and more...
211HRT338S 09/09 We 4:00pm-7:00pm Dooling
NYBG

Learn about common diseases of woody and herbaceous ornamentals and turfgrass caused by bacteria, fungi, nematodes, viruses, and abiotic factors and the cultural, biological, and least toxic strategies for their control. Discuss diagnoses of plant problems, including identification of disease— more...
211HRT481S 09/09 We 12:30pm-3:30pm Kokinchak
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
211HRT300G 09/12 Sa 10:00am-12:40pm Satch
MDTN

This course is designed for horticulturists and gardeners who are familiar with the basic culture of perennials. Learn the identifying characteristics, classification, scientific and common names, and landscape uses of approximately 60 summer- and fall-blooming native and non-native perennials and more...
211HRT338A 09/12 Sa 11:00am-2:00pm Hagen
NYBG

Learn about common diseases of woody and herbaceous ornamentals and turfgrass caused by bacteria, fungi, nematodes, viruses, and abiotic factors and the cultural, biological, and least toxic strategies for their control. Discuss diagnoses of plant problems, including identification of disease— more...
211HRT481B 09/12 Sa 10:00am-1:00pm Kokinchak
NYBG

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 seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh more...
211HRT142 09/13 Su 11:00am-12:40pm Breyer
NYBG

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 production, root initiation, stem and leaf cuttings, and layering. Materials included. Prerequisite: Introduction to more...
211HRT411S 09/14 Mo 5:45pm-8:45pm Weinstein
NYBG

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 form and structure. Learn about the relationships between appearance and function, ecology, systematics, and more...
211HRT300H 09/17 Th 10:30am-1:10pm Paltseva
NYBG

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 different soils and the dynamic relationship that exists among soil, water, and plants. Through more...
211HRT301C 09/17 Th 2:00pm-5:00pm Paltseva
NYBG

Explore how to identify and use major groups of shade trees and shrubs native to and hardy in our region in the landscape, including Acer, Quercus, and Viburnum, which are particularly ornamental in fall. The class goes out on the more...
211HRT331A 09/25 Fr 10:00am-1:00pm Ruggiero
NYBG

Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place, based on site-specific design and maintenance criteria. Learn aspects of special landscape values such as size, texture, color, and flowering more...
211HRT358C 09/26 Sa 10:00am-12:40pm D'Antonio
NYBG

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 production, root initiation, stem and leaf cuttings, and layering. Materials included. Prerequisite: Introduction to more...
211HRT411P 09/27 Su 10:00am-1:00pm Storrs
NYBG

Day 1- Sustainable Landscapes as Ecosystems
Explore the practical steps every gardener can take to support biodiversity and conserve resources. Compare and contrast designed native gardens with restored natural ecosystems,discover the benefits of plant communities, and discuss how to manage change more...
211HRT490F 09/28 Mo 9:00am-3:00pm NYBG

This course is designed for horticulturists and gardeners who are familiar with the basic culture of perennials. Learn the identifying characteristics, classification, scientific and common names, and landscape uses of approximately 60 summer- and fall-blooming native and non-native perennials and more...
211HRT338B 09/29 Tu 10:00am-1:00pm Ruggiero
NYBG

Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place, based on site-specific design and maintenance criteria. Learn aspects of special landscape values such as size, texture, color, and flowering more...
211HRT358D 09/29 Tu 6:15pm-8:50pm Nolan
NYBG

Explore how to identify and use major groups of shade trees and shrubs native to and hardy in our region in the landscape, including Acer, Quercus, and Viburnum, which are particularly ornamental in fall. The class goes out on the more...
211HRT331B 09/30 We 3:30pm-5:30pm Ruggiero
NYBG

October

Graphics are essential in developing and communicating your design ideas. Practice various graphic techniques and learn how to organize and render landscape plans on paper for optimal presentation to clients. Work with a range of drawing materials and drafting equipment. more...
212LAN311D 10/01 Th 6:00pm-9:00pm Poccia
MDTN

Explore how to identify and use major groups of shade trees and shrubs native to and hardy in our region in the landscape, including Acer, Quercus, and Viburnum, which are particularly ornamental in fall. The class goes out on the more...
212HRT331C 10/04 Su 10:00am-1:00pm Ruggiero
NYBG

Graphics are essential in developing and communicating your design ideas. Practice various graphic techniques and learn how to organize and render landscape plans on paper for optimal presentation to clients. Work with a range of drawing materials and drafting equipment. more...
212LAN311A 10/19 Mo 10:00am-1:00pm Einhorn
NYBG

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 of color when selecting specific garden plants and learn various color schemes such as more...
212HRT551 10/24 Sa 10:00am-12:50pm McKillop
NYBG