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.


October

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 lectures more...
232HRT301AO 10/05 We 6:30pm-8:30pm Bulpitt
ONLINE

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
232HRT300A 10/06 Th 2:00pm-5:00pm O'Brien
NYBG

In the spring of 2020, NYBG's Bronx Green-Up joined with Bronx-based gardens and urban farms to address food insecurity by growing and distributing fresh fruits and vegetables to local people in need. Since then, this network has grown into a more...
232GAR816O 10/07 Fr 12:00pm-1:00pm Casciani
Ginyard
Williams
Chanse
ONLINE

Learn the basic principles and best practices of greenhouse and nursery construction and design, and commercial greenhouse and field plant production. Understand how to manage a commercial growing operation, including site selection, planning and layout, and production methods of greenhouse more...
232HRT491S 10/11 Tu 5:00pm-7:30pm Ivanoski
NYBG

Explore how to identify and use major groups of shade trees and shrubs native to and hardy in our region, including Acer, Quercus, and Viburnum, which are particularly ornamental in fall.
232HRT331A 10/12 We 10:00am-1:00pm Ruggiero
NYBG

Choose the right plant for the right place, based on site-specific design and maintenance criteria. Learn landscape values such as size, texture, color, and flowering and fruiting seasons. Review trees, shrubs, groundcovers, annuals, and perennials suitable for this region.
232HRT358ABL 10/12 We 10:00am-12:00pm Cappello-Ruggiero
BLENDED

Explore how to identify and use major groups of shade trees and shrubs native to and hardy in our region, including Acer, Quercus, and Viburnum, which are particularly ornamental in fall.
232HRT331B 10/13 Th 10:00am-1:00pm O'Brien
NYBG

Learn common diseases of woody and herbaceous ornamentals and turfgrass, and the cultural, biological, and least-toxic strategies for their control.
232HRT481BL 10/13 Th 6:15pm-8:30pm Kokinchak
BLENDED

Students will be introduced to the topics of invasion biology and weed management and their related terminology. Approximately 60 invasive or weed species common throughout the northeast region of the United States will be presented, with a focus on woody more...
232HRT482 10/15 Sa 10:30am-1:30pm DeLuca
NYBG

Graphics are essential in developing and communicating your ideas. Practice various graphic techniques on a range of materials and equipment and learn how to organize and render landscape plans on paper for optimal presentation to clients. Homework required
232LAN311AO 10/15 Sa 10:00am-1:00pm Miller
ONLINE

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
232HRT300BO 10/17 Mo 6:00pm-8:00pm Bucuvalas
ONLINE

Become familiar with the cultural requirements, identifying features, and uses of native and non-native broadleaved evergreens, and incorporate them into both naturalistic and formal landscape settings. Major plant groups studied include Ilex, Rhododendron, Buxus, and evergreen groundcovers.
232HRT332A 10/22 Sa 10:30am-12:45pm Simeone
NYBG

Design, plant, and harvest a cutting garden that's productive throughout the seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh to cut. We'll cover traditional and unexpected annual and perennial cut flower species and varieties more...
232HRT142AO 10/23 Su 11:00am-1:00pm Breyer
ONLINE

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
232HRT300CO 10/25 Tu 6:00pm-8:00pm Bakis
ONLINE

November

Through classwork and hands-on practice, develop pruning tools and techniques to help shrubs, conifers, broadleaves, evergreens, and deciduous plants thrive. Explore how woody plant structure and physiology influence pruning. Learn how to create and maintain hedges and explore authentic pollarding more...
232HRT321A 11/01 Tu 10:00am-1:00pm Logan
NYBG

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 production. We'll discuss the pros and cons of different grow sites and media, with more...
232HRT156AO 11/02 We 6:00pm-8:00pm DeBacco
Crosson
ONLINE

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...
232HRT312P 11/02 We 2:00pm-5:00pm Yano
NYBG

Fundamentally change the way you view natural landscapes by learning about the complex factors that inform which plants grow in what combinations. Understanding how and why these plant communities form will help you design beautiful landscapes that are more resilient, more...
232HRT353BL 11/02 We 6:00pm-7:30pm Bray
BLENDED

December

Design, plant, and harvest a cutting garden that's productive throughout the seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh to cut. We'll cover traditional and unexpected annual and perennial cut flower species and varieties more...
232HRT142BO 12/01 Th 6:00pm-8:00pm Breyer
ONLINE

January

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 lectures more...
233HRT301BO 01/07 Sa 10:30am-12:30pm Katharhy
ONLINE

Design, plant, and harvest a cutting garden that's productive throughout the seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh to cut. We'll cover traditional and unexpected annual and perennial cut flower species and varieties more...
233HRT142CO 01/10 Tu 6:00pm-8:00pm Breyer
ONLINE

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
233HRT300DO 01/10 Tu 6:00pm-8:00pm Bucuvalas
ONLINE

Learn basic winter tree identification using dormant-season characteristics of deciduous plants as well as conifers. Dress for the weather.
233HRT440 01/10 Tu 1:00pm-3:00pm Logan
NYBG

Through classwork and hands-on practice, develop pruning tools and techniques to help shrubs, conifers, broadleaves, evergreens, and deciduous plants thrive. Explore how woody plant structure and physiology influence pruning. Learn how to create and maintain hedges and explore authentic pollarding more...
233HRT321B 01/13 Fr 10:00am-1:00pm Logan
NYBG

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
233HRT300EO 01/21 Sa 10:30am-12:30pm Day Nishiura
ONLINE

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 lectures more...
233HRT301CO 01/21 Sa 1:00pm-3:00pm Bulpitt
ONLINE

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...
233HRT308 01/21 Sa 9:00am-3:30pm Picciano
NYBG

Through classwork and hands-on practice, develop pruning tools and techniques to help shrubs, conifers, broadleaves, evergreens, and deciduous plants thrive. Explore how woody plant structure and physiology influence pruning. Learn how to create and maintain hedges and explore authentic pollarding more...
233HRT321C 01/21 Sa 1:00pm-4:00pm Bishop
NYBG

This studio-oriented course covers basic site analysis, planting plans, and color schemes (analogous or sequential, complementary, and monochrome). Presentations, discussions, and design projects combine practical information with theoretical garden design.
233HRT551BL 01/21 Sa 6:00pm-8:50pm Tan
BLENDED

Graphics are essential in developing and communicating your ideas. Practice various graphic techniques on a range of materials and equipment and learn how to organize and render landscape plans on paper for optimal presentation to clients. Homework required
233LAN311BO 01/21 Sa 10:00am-1:00pm Miller
ONLINE

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 production. We'll discuss the pros and cons of different grow sites and media, with more...
233HRT156BO 01/23 Mo 6:00pm-8:00pm DeBacco
Crosson
ONLINE

Learn 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 tissue culture at NYBG's Pfizer Laboratory, and tour a retail nursery for a more...
233HRT412 01/24 Tu 5:00pm-8:00pm Weinstein
NYBG

Manage annual and perennial gardens with a variety of practices: soil and weed management, watering, pest identification and control, and seasonal clean-up. Develop a management plan for a small perennial garden.
233HRT344O 01/25 We 10:00am-12:00pm Hanson Moore
ONLINE

Learn how to design, install, and maintain conventional, specialty drip, and micro-drip irrigation systems. Drip systems are useful for rooftop and terrace gardens, planters, raised beds, and many landscape and nursery production systems. We will cover basic hydraulics and review more...
233HRT323 01/26 Th 10:00am-4:30pm Dobossy
NYBG

February

Learn to identify, classify, and use the best regional native and non-native conifers for naturalistic and formal landscape designs.
233HRT333 02/02 Th 10:00am-12:00pm Ruggiero
NYBG

Explore how to create a healthy garden while supporting biodiversity and conserving resources. We'll discuss ways to minimize water usage, effectively handle stormwater, create a healthy soil food web, and use non-toxic alternatives to maintain optimal plant health.
233HRT395 02/04 Sa 10:30am-12:30pm Conaway
NYBG

Growing plants without soil using hydroponics promotes rapid growth and requires less water and space than conventional gardens. Learn what systems work best, which plants to choose, and how to ensure they get propernutrition. While our focus is on home-scale more...
233HRT141O 02/07 Tu 6:15pm-8:15pm Kutz
Lodvikov
ONLINE

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
233HRT300F 02/07 Tu 10:00am-1:00pm O'Brien
NYBG

Design, plant, and harvest a cutting garden that's productive throughout the seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh to cut. We'll cover traditional and unexpected annual and perennial cut flower species and varieties more...
233HRT142DO 02/16 Th 6:00pm-8:00pm Breyer
ONLINE

Through classwork and hands-on practice, develop pruning tools and techniques to help shrubs, conifers, broadleaves, evergreens, and deciduous plants thrive. Explore how woody plant structure and physiology influence pruning. Learn how to create and maintain hedges and explore authentic pollarding more...
233HRT321D 02/21 Tu 10:00am-1:00pm Logan
NYBG

Become familiar with the cultural requirements, identifying features, and uses of native and non-native broadleaved evergreens, and incorporate them into both naturalistic and formal landscape settings. Major plant groups studied include Ilex, Rhododendron, Buxus, and evergreen groundcovers.
233HRT332B 02/24 Fr 10:30am-12:45pm Simeone
NYBG

Graphics are essential in developing and communicating your ideas. Practice various graphic techniques on a range of materials and equipment and learn how to organize and render landscape plans on paper for optimal presentation to clients. Homework required
233LAN311CO 02/24 Fr 10:00am-1:00pm Poccia
ONLINE

Learn principles and techniques of plant propagation by seed and cuttings. Explore basic sexual and asexual propagation, focusing on fruit development, seedling production, root initiation, stem and leaf cuttings, and layering.
233HRT411A 02/27 Mo 5:30pm-8:30pm Weinstein
NYBG

March

This course is designed for horticulturists who are responsible for maintaining outdoor landscapes. We will cover how to calculate area to help estimate plant and soil needs, apply rates for fertilizers, and calculate amounts of soil amendments.
233HRT356O 03/01 We 5:00pm-7:00pm Weinstein
ONLINE

Soil compaction, construction damage, and land development practices can lead to tree decline and early tree mortality. Examine the biology of trees, and learn how they respond to changes in the urban environment. Explore techniques for assessing and preserving tree more...
233HRT426BL 03/04 Sa 9:00am-11:00am Picciano
BLENDED

This user-friendly intro course surveys the major plant groups-flowering plants, conifers, ferns, and bryophytes-focusing on their form and structure. Become botanically literate and gain practical experience in dissecting and analyzing plant structures.
233HRT300GO 03/06 Mo 6:00pm-8:00pm Naghshineh
ONLINE

Learn principles and techniques of plant propagation by seed and cuttings. Explore basic sexual and asexual propagation, focusing on fruit development, seedling production, root initiation, stem and leaf cuttings, and layering.
233HRT411B 03/06 Mo 10:00am-1:00pm Ruggiero
NYBG

Expand your plant palette by adding low-maintenance fruiting plants that thrive in cold-temperature growing regions-from Arctic kiwi to jujube, medlar to heartnut. Allyson Levy and Scott Serrano, the co-directors of the Hudson Valley's Hortus Arboretum, will highlight a wide variety more...
233HRT210O 03/07 Tu 6:30pm-7:30pm Levy
Serrano
ONLINE

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 production. We'll discuss the pros and cons of different grow sites and media, with more...
233HRT156CO 03/08 We 6:00pm-8:00pm DeBacco
Crosson
ONLINE

Design, plant, and harvest a cutting garden that's productive throughout the seasons. You'll get hands-on practice starting seeds to ensure you always have something fresh to cut. We'll cover traditional and unexpected annual and perennial cut flower species and varieties more...
233HRT142EO 03/13 Mo 6:00pm-8:00pm Breyer
ONLINE

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. more...
233HRT342 03/16 Th 10:00am-12:00pm McDowell
NYBG

Examine sustainable techniques for managing and maintaining commercial and residential landscapes. Develop programs that reduce adverse effects on the environment, including alternative approaches to conventional lawn management.
233HRT443 03/16 Th 4:30pm-7:30pm Laswell
NYBG

April

Choose the right plant for the right place, based on site-specific design and maintenance criteria. Learn landscape values such as size, texture, color, and flowering and fruiting seasons. Review trees, shrubs, groundcovers, annuals, and perennials suitable for this region.
234HRT358A 04/15 Sa 10:00am-12:40pm D'Antonio
NYBG
234HRT358BBL 04/16 Su 10:00am-1:00pm Nolan
BLENDED