Horticulture Classes

Develop the vital skills needed to protect and manage landscapes, maintain healthy trees, design attractive gardens, and produce landscape plants. Our horticulture classes cater to anyone—from beginners to advanced horticulturists—with an emphasis on real world skill-building. Enroll in a single class or pursue a Horticulture Certificate.

Click here for an overview of the Certificate Program.


February

Located on the southernmost tip of New York City, The Battery's 25-acres has been transformed from a broken concrete promenade to a paradise of plants over the last 20 years under the distinguished leadership of Warrie Price.

In effort to revitalize more...
243LAN807C 02/22 Th 11:00am-12:00pm Price
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.
243HRT332B 02/23 Fr 10:30am-12:45pm Simeone
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 lectures more...
243HRT301BO 02/24 Sa 10:30am-12:30pm Bulpitt
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...
243HRT321D 02/24 Sa 1:00pm-4:00pm Bishop
NYBG

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.
243HRT411A 02/26 Mo 5:30pm-8:30pm Weinstein
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 is required.
243LAN311DO 02/27 Tu 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.
243HRT300EO 02/28 We 6:00pm-8:00pm Simeone
ONLINE

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.
243HRT356O 02/29 Th 5:00pm-7:00pm Weinstein
ONLINE

March

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.
243HRT411B 03/02 Sa 10:00am-1:00pm Ruggiero
NYBG

There are many types of flowers available for floral designers, from exotic imports to locally grown. Learn to identify new varieties of old favorites, seasonal flowers, and various foliages. Topics include the special handling needs of many flower types. more...
243FDN308BO 03/11 Mo 6:30pm-8:30pm Mele
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...
243HRT142O 03/11 Mo 6:00pm-8:00pm Breyer
ONLINE

Explore the basics of successful, environmentally friendly gardening. Topics include soils and their improvement, seed sowing, vegetative propagation, planting, pruning, watering, weeding, mulching, and disease and pest control. This course is also required for the Horticultural Therapy Certificate.
243GAR301CO 03/12 Tu 6:00pm-8:00pm Bakis
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...
243HRT426 03/16 Sa 11:00am-2:00pm Finley
NYBG

Explore theories, traditions, and principles that have shaped the design of landscapes from antiquity to the present, through visual presentations, assigned readings, projects, and classroom discussion.
243LAN301CO 03/19 Tu 6:00pm-9:00pm Bunnell
ONLINE

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.
243HRT443 03/20 We 4:30pm-7:30pm Laswell
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. more...
243HRT342 03/21 Th 10:00am-12:00pm McDowell
NYBG

Go beyond basic soil chemistry and examine how a soil's pH affects what nutrients are available to plants. Explore the ionic exchange capacities of soil, the complex nitrogen cycle, and the effects of composted soil amendments and fertilizers. Discover how more...
243HRT302A 03/27 We 11:00am-2:00pm Lozefski
NYBG

Explore the basics of successful, environmentally friendly gardening. Topics include soils and their improvement, seed sowing, vegetative propagation, planting, pruning, watering, weeding, mulching, and disease and pest control. This course is also required for the Horticultural Therapy Certificate.
243GAR301D 03/28 Th 10:00am-1:00pm Ruggiero
NYBG

Little Island, opened in 2021, offers 2.5 acres of new waterfront park within Hudson River Park. Born from a collaboration of UK-based Heatherwick Studio and NY-based landscape architecture firm MNLA, led by Signe Nielsen, FASLA, Little Island provides an intersection more...
243LAN807D 03/28 Th 11:00am-12:00pm Nielsen
NYBG

April

Learn to prune like NYBG! In this two-week course, our plant experts will guide you through essential pruning techniques for woody plants like small trees and shrubs, provide insight on why and when to prune, as well as give constructive more...
243PLT140 04/03   Ippolito
ONLINE-FLEX

May

Learn to prune like NYBG! In this two-week course, our plant experts will guide you through essential pruning techniques for woody plants like small trees and shrubs, provide insight on why and when to prune, as well as give constructive more...
244PLT140A 05/01   Perkowski
ONLINE-FLEX

June

Learn to prune like NYBG! In this two-week course, our plant experts will guide you through essential pruning techniques for woody plants like small trees and shrubs, provide insight on why and when to prune, as well as give constructive more...
244PLT140B 06/05   Finley
ONLINE-FLEX