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.


March

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 Therapeutic Horticulture Certificate.
263GAR301EO 03/13 Fr 10:00am-12:00pm Marsh
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.
263HRT300JO 03/16 Mo 10:30am-12:30pm Day
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...
263HRT323C 03/17 Tu 10:00am-4:30pm Elmers
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.
263HRT342 03/17 Tu 1:30pm-3:30pm McDowell
NYBG

Tony Avent established Juniper Level Botanic Garden (JLBG) and its accompanying Plant Delights Nursery in central North Carolina in 1986, with the mission to actively promote and preserve botanical diversity. Today, JLBG serves as a repository of plant genetics, with more...
263LEC809C 03/19 Th 11:00am-12:00pm Avent
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...
263HRT302 03/25 We 11:00am-2:00pm Lozefski
NYBG

April

Learn the essential pruning techniques for woody plants used by NYBG experts. In this course, our plant professionals will guide you through the key principles of pruning woody plants such as small trees and shrubs.
264PLT140A 04/01   ONLINE-FLEX

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 more...
264HRT334A 04/08 We 10:30am-1:30pm Himmelman
NYBG
264HRT334B 04/10 Fr 10:00am-1:00pm Nolan
NYBG
264HRT334C 04/11 Sa 9:00am-12:00pm Simeone
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.
264HRT358A 04/11 Sa 10:00am-12:40pm D'Antonio
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 Therapeutic Horticulture Certificate.
264GAR301E 04/12 Su 11:00am-1:00pm 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. Prerequisite: more...
264HRT336A 04/12 Su 10:00am-1:00pm Nolan
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.
264HRT358B 04/12 Su 2:00pm-5:00pm Nolan
NYBG

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...
264HRT311 04/14 Tu 4:30pm-7:30pm Weinstein
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 Therapeutic Horticulture Certificate.
264GAR301DO 04/15 We 6:00pm-8:00pm Bakis
ONLINE

Gain an understanding of the principles of pollination and learn how to create landscapes that attract a diversity of pollinators. In this class, you'll review pollinator ecology and the varied types of pollinators in the northeast region; explore native plant more...
264HRT125O 04/16 Th 6:00pm-8:00pm Eierman, EcoBeneficial
ONLINE

Learn common diseases of woody and herbaceous ornamentals and turfgrass, and the cultural, biological, and least-toxic strategies for their control.

Note: This class is a requirement in NYBG's Horiculture Certificate Program, Tracks 1, 2, & 3. It is not the same more...
264HRT481 04/16 Th 10:30am-1:30pm 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 more...
264HRT334D 04/21 Tu 5:00pm-8:00pm Gonzalez
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.
264HRT300AO 04/23 Th 10:30am-12:30pm Day
ONLINE

When author Amy Stewart discovered a community of tree collectors, she expected to meet horticultural fanatics driven to plant every species of oak or maple. But she also discovered that the urge to collect trees springs from something deeper and more...
264LEC809D 04/23 Th 11:00am-12:00pm Stewart
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.
264HRT300B 04/27 Mo 6:00pm-8:00pm Alvarez
ONLINE

May

Learn the essential pruning techniques for woody plants used by NYBG experts. In this course, our plant professionals will guide you through the key principles of pruning woody plants such as small trees and shrubs.
264PLT140B 05/01   ONLINE-FLEX

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.
264LAN311A 05/06 We 5:00pm-8:00pm Poccia
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. Prerequisite: more...
264HRT336B 05/07 Th 10:00am-1:00pm Ruggiero
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 Therapeutic Horticulture Certificate.
264GAR301AO 05/13 We 6:00pm-8:00pm Cappello-Ruggiero
ONLINE

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.
264HRT358C 05/16 Sa 10:00am-12:40pm 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...
264HRT301A 05/20 We 11:00am-2:00pm Lozefski
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.
264HRT395BL 05/27 We 11:00am-1:00pm Goldberg
BLENDED

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...
264HRT353ABL 05/28 Th 6:00pm-7:30pm Schuler
BLENDED

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.
264LAN301AO 05/30 Sa 10:00am-1:00pm Merritt
ONLINE

June

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.
264HRT411A 06/01 Mo 5:30pm-8:30pm Weinstein
NYBG

Learn the essential pruning techniques for woody plants used by NYBG experts. In this course, our plant professionals will guide you through the key principles of pruning woody plants such as small trees and shrubs.
264PLT140C 06/01   ONLINE-FLEX

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...
264HRT381BL 06/06 Sa 6:00pm-8:00pm Kokinchak
BLENDED

Survey the modern green and biophilic hospital design movement as well as the myriad benefits of green spaces within a clinical environment, for families and caregivers alike. You'll review the architectural history of the hospital—from the basilica through Frank Lloyd more...
264WEL212O 06/25 Th 6:00pm-7:00pm Morrison
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...
264HRT308 06/27 Sa 10:30am-4:30pm Vitagliano
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...
264HRT341 06/27 Sa 11:00am-1:00pm Ruggiero
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.
264HRT300F 06/28 Su 10:00am-12:00pm Smith
NYBG

July

Learn the essential pruning techniques for woody plants used by NYBG experts. In this course, our plant professionals will guide you through the key principles of pruning woody plants such as small trees and shrubs.
271PLT140D 07/01   ONLINE-FLEX

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 Therapeutic Horticulture Certificate.
271GAR301BO 07/10 Fr 10:00am-12:00pm Marsh
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.
271HRT300C 07/12 Su 11:00am-2:00pm Halane
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...
271HRT302 07/29 We 11:00am-2:00pm Lozefski
NYBG

August

Learn the essential pruning techniques for woody plants used by NYBG experts. In this course, our plant professionals will guide you through the key principles of pruning woody plants such as small trees and shrubs.
271PLT140E 08/01   ONLINE-FLEX

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.
271LAN311BBL 08/03 Mo 10:00am-1:00pm Poccia
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.
271HRT300DO 08/11 Tu 6:00pm-8:00pm Thomson
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...
271HRT491 08/11 Tu 5:00pm-7:00pm Leibovitch
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.
271HRT358D 08/12 We 10:00am-12:40pm Tyson-Strait
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 Therapeutic Horticulture Certificate.
271GAR301CO 08/26 We 6:00pm-8:00pm Bakis
ONLINE

September

Learn the essential pruning techniques for woody plants used by NYBG experts. In this course, our plant professionals will guide you through the key principles of pruning woody plants such as small trees and shrubs.
271PLT140F 09/01   ONLINE-FLEX

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...
271HRT353BBL 09/16 We 6:00pm-7:30pm Schuler
BLENDED

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.
271HRT358E 09/16 We 2:00pm-4:40pm Tyson-Strait
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.
271HRT331A 09/17 Th 2:00pm-5:00pm Nolan
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 Therapeutic Horticulture Certificate.
271GAR301F 09/20 Su 10:00am-12:00pm Ruggiero
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.
271HRT300EO 09/23 We 10:30am-12:30pm Barr
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...
271HRT301B 09/23 We 11:00am-2:00pm Lozefski
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...
271HRT338A 09/24 Th 10:00am-1:00pm Nolan
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.
271LAN301BO 09/28 Mo 10:00am-1:00pm Capps Sarathy
ONLINE

Explore a holistic approach to keeping trees healthy and vigorous. Topics include planting and transplanting, pruning, fertilization, root system management, common problems, tree defenses, and lightning protection. Samples of tree problems, supplies, and tools are exhibited.
271HRT422 09/30 We 5:00pm-7:00pm Hall
NYBG