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.


February

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
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.
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

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
233LAN311EO 03/23 Th 10:00am-1:00pm Miller
ONLINE

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
234HRT358CBL 04/16 Su 2:00pm-5:00pm Nolan
BLENDED