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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.

Location Day/Night Instructor Sort Keywords  
Classes

January
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 micropropagation. Learn about tissue culture at the Garden's more...
01/23 Mo 05:00pm-08:00pm Weinstein
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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, more...
01/24 Tu 02:00pm-05:00pm 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 micropropagation. Learn about tissue culture at the Garden's more...
01/24 Tu 05:00pm-08:00pm 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. Learn more...
01/26 Th 06:15pm-09:15pm Paltseva
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
01/28 Sa 10:00am-01:20pm Grossman
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. Learn more...
01/28 Sa 10:30am-01:30pm Paltseva
NYBG
This course combines class study and hands–on pruning, matching knowledge to practice. Topics include woody plant structure and physiology as they relate to pruning; correct pruning techniques and tools; pruning timing; and pruning as an integral part of plant health more...
01/28 Sa 10:00am-01:00pm Bishop
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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, more...
01/30 Mo 10:30am-01:30pm Ruggiero
NYBG
February
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. Learn more...
02/01 We 10:00am-12:35pm Lozefski
NYBG
Learn the identification, classification, and landscape use of native and non-native conifers that may be grown in the northeastern United States. Major plant groups studied include Chamaecyparis, Picea, and Pinus. Gain a working knowledge of the best species and cultivars more...
02/01 We 02:00pm-04:00pm Ruggiero
NYBG
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, soils and other growing media, irrigation and fertilization practices, potting and repotting, and cultural more...
02/02 Th 04:30pm-07:30pm Ruggiero
NYBG
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...
02/04 Sa 09:00am-03:30pm Wolf
NYBG
Gain a basic understanding of the structure, growth, ecology, and evolution of insects and their role in human life. Learn how to collect, identify, classify, and preserve a wide variety of insects.
02/06 Mo 12:00pm-03:00pm Nguyen
NYBG
The American Society for Horticultural Science (ASHS) is offering a Certified Horticulturist Certification, the national credential validating the knowledge and skills of practitioners in the horticulture industry. The ASHS-CH exam tests and assesses performance in 35 tasks in seven major more...
02/11 Sa 09:00am-01:00pm
NYBG
This course is designed for horticulturists who are responsible for maintaining or directing the maintenance of outdoor landscapes. Methods of calculating areas, application rates for fertilizers, and amounts of soil amendments are reviewed during the first session, and a set more...
02/21 Tu 04:30pm-06:30pm Weinstein
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...
02/22 We 06:15pm-09:05pm McKillop
NYBG
March
This course is also required for the Gardening Certificate and Landscape Design Certificate.
Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place—selecting plants based on site-specific design and more...
03/04 Sa 10:00am-12:40pm D'Antonio
NYBG
Oaks form the arboreal framework of the forests, parks, and gardens of the Northeast. They provide shade, valuable timber, and food for an astonishing variety of wildlife ranging from black bears to the larvae of Horace's Duskywing butterflies. Unfortunately, environmental more...
03/10 Fr 08:30am-01:30pm Logan
Schuster, Ph.D
Hendrickson, Ph.D.
Hudler, Ph.D.
NYBG
Learn the basic techniques of landscape gardening, with an emphasis on sustainable, ecologically appropriate practices. Topics include soil preparation, efficient water and fertilization practices, planting and transplanting, cultivation techniques, and maintaining healthy plants. Wear comfortable clothes and sturdy shoes, and more...
03/14 Tu 04:30pm-07:30pm Weinstein
NYBG
  03/15 We 04:30pm-07:30pm 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. Learn more...
03/16 Th 10:00am-12:35pm Paltseva
NYBG
This course is designed for horticulturists who are familiar with the culture of bulbs and who wish to learn more about their biology, identification, and classification. Learn about familiar and unusual spring-, summer-, and autumn-flowering bulbs.

Materials
more...
03/16 Th 10:00am-12:00pm McDowell
NYBG
  03/16 Th 04:30pm-06:30pm Hagen
NYBG
Learn how to manage annual and perennial gardens using a variety of in-season and post-season maintenance practices. Topics include soil and weed management, watering, basic pest identification and control, and seasonal clean-up. Develop a management plan for a small perennial more...
03/18 Sa 10:00am-12:40pm Carsto
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
03/21 Tu 10:00am-12:40pm Grossman
NYBG
Learn the basic requirements for the design, installation, and maintenance of conventional and specialty drip and micro-drip irrigation systems. Discussions focus on layout and installation procedures, including basic hydraulics and irrigation product reviews. Drip systems are useful for rooftop and more...
03/27 Mo 10:00am-04:30pm Schilke
NYBG
April
This course is also required for the Landscape Design Certificate.

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 more...
04/01 Sa 10:00am-12:25pm Simeone
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
04/02 Su 10:00am-01:20pm Alvarez
NYBG
This course is also required for the Landscape Design Certificate.

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 more...
04/05 We 10:00am-12:00pm Ruggiero
NYBG
  04/06 Th 05:30pm-07:30pm Ruggiero
NYBG
This course is also required for the Gardening Certificate and Landscape Design Certificate.
Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place—selecting plants based on site-specific design and more...
04/15 Sa 10:00am-01:15pm D'Antonio
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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, more...
04/17 Mo 06:00pm-09:00pm Ruggiero
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-blooming perennials. Please dress appropriately for outdoors.
more...
04/29 Sa 10:00am-01:00pm Hagen
NYBG
May
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...
05/02 Tu 06:00pm-09:00pm Picciano
NYBG
Learn how to identify and manage the common turf and landscape weeds found in residential and commercial sites. A variety of weed control methods, including non- chemical approaches, are examined. Weed biology, biochemical pathways, herbicides and their application techniques, and more...
05/03 We 04:30pm-07:30pm Laswell
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...
05/09 Tu 04:30pm-07:30pm Borman
NYBG
What better place to gain hands-on pruning experience than NYBG? Perform a wide variety of pruning techniques on trees and shrubs on the Garden grounds, including crown reduction, crown raising, thinning, and renovation. Plan and execute a given project at more...
05/11 Th 10:00am-01:00pm Logan
NYBG
This course is also required for the Gardening Certificate and Landscape Design Certificate.
Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place—selecting plants based on site-specific design and more...
05/16 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-blooming perennials. Please dress appropriately for outdoors.
more...
05/19 Fr 10:00am-01:00pm Ruggiero
NYBG
Learn the principles of selecting the "right plant for the right place" with Todd Forrest, Arthur Ross Vice President for Horticulture and Living Collections at The New York Botanical Garden. In locations across the Garden's diverse landscape, identify the range more...
05/31 We 05:30pm-07:30pm Forrest
NYBG
June
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...
06/03 Sa 09:00am-02:30pm Picciano
Davila
NYBG
This course is also required for the Gardening Certificate and Landscape Design Certificate.
Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place—selecting plants based on site-specific design and more...
06/03 Sa 10:00am-02:30pm Simeone
NYBG
Gain a basic understanding of the structure, growth, ecology, and evolution of insects and their role in human life. Learn how to collect, identify, classify, and preserve a wide variety of insects.
06/03 Sa 10:00am-01:00pm Nguyen
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-blooming perennials. Please dress appropriately for outdoors.
more...
06/08 Th 04:30pm-07:30pm Bronson
NYBG
Become familiar with the identification, culture, and landscape use of annuals and select tender perennials. Review major groups of common as well as more unusual types. Learn how to choose low-maintenance plants, and review the scientific and common names and more...
06/10 Sa 10:00am-12:00pm Ruggiero
NYBG
Learn the identification, classification, and culture of houseplants, greenhouse, and conservatory plants. Major plant groups to be studied include aroids, bromeliads, Marantaceae, and other ornamental tropical plants grown indoors.

Required Text
Clark, G.
Indoor Plants: more...
06/13 Tu 05:00pm-07:10pm Kim
NYBG
Learn how to nurture the soil so it can sustain your plants. Gain an understanding of the cornerstones of soil chemistry: pH and its effects on nutrient availability to plants and the ionic exchange capacities of soil. Macronutrient cycles in more...
06/14 We 10:00am-12:40pm Lozefski
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. Learn more...
06/15 Th 10:00am-01:00pm Lozefski
NYBG
PPlants 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...
06/16 Fr 09:00am-01:30pm Lorimer
NYBG
Join inspiring ecological landscape designer Darrel Morrison, FASLA, for a "total immersion" three-day workshop in the beauty of New York's Black Rock Forest Consortium in Cornwall, New York. Back by popular demand, this deeply enriching course focuses on the botanic more...
06/16 Fr 09:00am-05:00pm Morrison
OFS
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
06/26 Mo 06:15pm-08:55pm Lincoff
MDTN
Become familiar with the identification, culture, and landscape use of annuals and select tender perennials. Review major groups of common as well as more unusual types. Learn how to choose low-maintenance plants, and review the scientific and common names and more...
06/28 We 10:00am-12:00pm Ruggiero
NYBG
July
Add depth and texture to the landscape with the careful selection and use of a variety of ornamental grasses. Be amazed by the wealth of opportunities to create height in a border from as little as 6 inches to 12 more...
07/20 Th 02:00pm-04:15pm Kolvek
NYBG
  07/20 Th 06:15pm-08:30pm Kolvek
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
07/24 Mo 06:15pm-08:55pm Grossman
MDTN
This course is also required for the Gardening and Horticultural Therapy Certificates.
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, more...
07/31 Mo 10:00am-01:00pm Ruggiero
NYBG
August
Learn the identification, classification, and culture of houseplants, greenhouse, and conservatory plants. Major plant groups to be studied include aroids, bromeliads, Marantaceae, and other ornamental tropical plants grown indoors.

Required Text
Clark, G.
Indoor Plants: more...
08/01 Tu 04:30pm-07:00pm Lieberman
NYBG
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. Please more...
09/06 We 10:00am-01:00pm Brands
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...
09/06 We 04:30pm-07:30pm Borman
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
09/09 Sa 10:00am-01:20pm Alvarez
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. Please more...
09/09 Sa 10:00am-01:00pm 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...
09/09 Sa 10:00am-01:00pm Borman
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...
09/09 Sa 10:00am-12:50pm McKillop
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. Please more...
09/12 Tu 10:00am-01:00pm Ruggiero
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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, more...
09/18 Mo 05:45pm-08:45pm Weinstein
NYBG
This course is also required for the Gardening Certificate and Landscape Design Certificate.
Examine the use of plants in the landscape with an emphasis on choosing the right plant for the right place—selecting plants based on site-specific design and more...
09/26 Tu 06:15pm-08:50pm Ruggiero
NYBG
This course is also required for the Gardening and Horticultural Therapy Certificates.
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...
09/28 Th 10:00am-12:20pm Paltseva
NYBG