Continuing Education

Nothing beats annuals if you’re looking for a big splash of summer color to add to your garden. 

Elective Class for Gardening Certificate

Learn the best plants to select for your basket, what will thrive in a hanging environment, and how to arrange your planting for the biggest impact. Sold out. Join the waitlist.

Explore the technique of crevice gardening, which replicates the exposed and rocky conditions of such environments as mountaintops, deserts, and coastlines. Sold out. Join the waitlist.

Learn essential gardening skills, including garden planning, safety practices, understanding fundamental tools, and mastering key gardening techniques. Sold out. Join the waitlist.

First Required Core Course for Gardening Certificate

Discover the foundations of healthy gardening and explore a variety of soils and alternative growing media.

Core Class for Gardening Certificate

Spend an evening learning more about the local ruby-throated hummingbird and how to attract them to your yard.

See the Gardens from a fresh perspective during this fun and educational evening walk with horticulture expert Jeff Jabco.

Fully online. Dive into the fascinating history of roses, the queen of flowers—and how they came to be known as such.

Explore elements of Asian design at several local Gardens on this day-long tour. 

Core Class for Landscape Design Certificate

Plant summertime treasures in a container of diverse and contrasting textures. Sold out. Join the waitlist. 

Get a detailed look into plants with exceptional ornamental attributes and resiliency in the garden; native groundcovers and vine varieties.

Elective Class for Gardening Certificate

Master the art and science of plant propagation in this comprehensive, 4-week workshop series.

Core Class for Gardening Certificate

Explore the fertility needs of indoor and outdoor potted plants; annual, perennial, and vegetable garden spaces; a few special needs plants (including ericaceous species and iron deficiencies); and basic turf fertility issues.

Delve into the latest trends about woody plants during this onsite or online conference. 

Take a journey through the story of acorns—from ancient times to future forests, oaks trees have evolved and shaped our world all from these mighty seeds.

Stroll through the Gardens and a take part in a hands-on workshop, where you’ll learn all about evening container gardens—and then make your own.

Learn the care and culture of bonsai, including techniques for designing and maintaining these sculptured treasures. 

Dive into how gardening techniques can adapt to a changing climate.

Gain the confidence you need to keep your garden thriving in this practical class on irrigation designed for home gardeners.

Learn about common native plants, how to reduce environmental impact through proper fertilization, and discover winterizing techniques that benefit your garden.

Dive into the world of exotic and tropical plants and get inspired by their colorful foliage and fragrant flowers. 

Elective Class for Gardening Certificate

Learn about what crops work well for a late season start and get some expert guidance on strategies to keep your garden productive for months to come. 

Take a closer look at meadow gardening, from common plant selections to the steps to successful establishment of a meadow garden.

Create an eye-catching, mini garden perfect for the “pollinator garden curious” that want to welcome pollinators to their backyard, patio, front steps, and more.

Learn why saving seed is important for both the environment and for our communities, and how to set yourself up for seed-saving success.

Learn how to select, plant, and maintain hedges that enhance your landscape year-round.

Explore the variety and beauty of Longwood’s aquatics, and discuss expert tips on integrating aquatics in your own landscape.

Join Vice President of Horticulture at the Pennsylvania Horticultural Society Andrew Bunting as he shares some of the many plants whose eye-catching flowers, attractive foliage, or interesting seed heads can extend your garden’s season.

Discover a variety of drought-tolerant plants that thrive in a dry environment and explore gardening practices that preserve moisture while maintaining a stylish design.

Fully online. Gain a solid understanding of native plants, trees, shrubs, and perennials to then apply to landscape design. 

Core Course for Landscape Design Certificate

Learn management techniques we use here in our Meadow Garden and how to apply them to your own landscape.

Learn how to create your own cottage-style garden at home.

Gather info on proper planting, placement, pruning, and care of landscape trees—as well as diseases, insects, and other challenges these trees may face.

Enjoy an interactive class on all things shrubs, an often underestimated but always important component of the overall landscape. 

Elective Class for the Gardening Certificate

Get a fascinating look at the Chrysanthemum Festival at Longwood Gardens, right from Longwood’s Associate Director of Display Design Jim Sutton.

Join recognized experts for a day long conference with an educational focus.