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Horticulture & Gardening
Upcoming Classes
Dig In! Vegetable Gardening for Beginners—Online
Fully online. In the comfort of your own home, learn how to prepare and create a vegetable garden.
Mini Marvels: Moss for the Home and Garden
Understand the basics of moss gardening and explore the versatile moss species.
Identifying Woody Plants in Winter I
Learn to identify common native and non-native trees and shrubs by buds, twigs, bark, and form.
Identifying Woody Plants in Winter II
Learn to identify common native and non-native trees and shrubs by buds, twigs, bark, and form.
Vegetable Gardening Boot Camp
In this immersive day, discuss principles for designing and creating a vegetable garden, including the location, layout, and bed preparation.
Bonsai Basics
Learn the care and culture of bonsai and techniques for designing and maintaining these sculptured treasures.
Gregarious Galanthus: Propagating Snowdrops
Discover new cultivars and favorite selections, and dive deep into the best practices for breeding and multiplying your Galanthus harvest.
Glorious Galanthus: The Best Selections for the Winter Garden
Learn about herbaceous plants that bloom during even the coldest and snowiest of winter days.
Performance Pruning: Small Flowering Trees (Morning)
Improve your trees’ performance and take the mystery out of pruning.
Get the Dirt on Dirt
Get your hands dirty while learning about soil profile, bulk density, and the soil horizon.
Performance Pruning: Small Flowering Trees (Afternoon)
Improve your trees’ performance and take the mystery out of pruning.
What’s All the Buzz?
This honey of a class will take the mystery out of beekeeping.
Knowing, Sowing, and Growing: Seeds
Review proper planting depth, spacing, and placement within the garden for a wide range of vegetable crops and herbs.
Performance Pruning: Shrubs (Morning)
Improve the performance of your shrubs and vines and take the mystery out of pruning.
Performance Pruning: Shrubs (Afternoon)
Improve the performance of your shrubs and vines and take the mystery out of pruning.
Gardener and the Chef: The Wide World of Grains
Learn how to grow and manage grains in a vegetable garden or formal landscape.
Growing Great Grains
This course provides the right information to infuse your garden with grains, providing both beauty and bounty.
Champion Tree Tour of Bucks County (Spring)
This pleasurable trip will have you on the lookout for the biggest, tallest, and oldest trees in our region.
Growing an Aromatic Life
Learn selection, planting, harvesting, and processing of herbs for your kitchen and medicine cabinet.
Seeing the Forest through the Trees
Take an interpretive hike focused on the often-overlooked canopy of Longwood’s natural areas.
Identifying Invasives (Spring)
Join our Natural Lands experts to explore the life history, identification, and management of invasive plants in our region.
Succulents on Structures
Make your own succulent structure and learn how to emulate cracks, crevices, and depressions in rocks.
Crevice Gardening in a Trough
Learn about crevice garden care and take home a completed crevice garden within a trough.
Inside the Hive
Are you curious about what goes on inside a beehive? Bring your questions and get answers and insight into the fascinating world of bees.
Water Gardening in a Container
Divide and repot plants from Longwood's collection to take home for your water garden.
Weed Identification (Spring)
Classroom instruction and field observation will focus on life cycles, key characteristics, and plant structures.
Tips for Turf Diagnosis (Spring)
Learn signs, symptoms, and management strategies to remedy common turfgrass problems.
Pest Identification (Spring)
Explore our vast outdoor landscape and identify common pest signs and symptoms with an IPM specialist.
Plant Disease Identification
Learn the symptoms of plant disease, the conditions that cause them, and how to apply controls as necessary.
Plants for Pollinators
Discover what will attract hummingbirds, bees, or butterflies to your garden.
From Fossils to Field Work: Preserving Plants
Gain insight to a hidden world of field botany, learn how to press specimens, and take home a pressed plant of your own.
The Heritage of Seeds: Growing Historically Important Crops
Discover the possibilities of heritage and heirloom seeds in modern home gardening and small-scale farming.
What’s at Stake
Discover materials and approaches for making aesthetically pleasing supports to add interest and function to your garden.
Mixed Medley: Annuals & Perennials Container (Morning)
Join Emily to discover interesting combinations of annuals and perennials in an artistic container.
Mixed Medley: Annuals & Perennials Container (Afternoon)
Join Emily to discover interesting combinations of annuals and perennials in an artistic container.
Wattle This Way
Learn the old English tradition and ecological benefits of coppicing.
Potted Pleasure for Sun
Create a beautiful container garden filled with sun-loving annuals and turn your patio into a showcase.
Potted Pleasure for Shade
Create a beautiful container garden filled with shade-loving annuals and turn your patio into a showcase.
The Gardener and the Chef: Summer Fruits
Learn about the culture and care of summer fruits as we explore the Idea Garden’s vegetable and fruit collection.
Spotted Lantern Fly: What You Need to Know
Learn to identify and control this unwanted garden visitor.
What’s Bugging You in Your Garden?
Discover chemical-free solutions to pests and weeds for an eco-friendly garden.
Herbal Extracts 101
Learn how to unlock phytochemicals when making herbal remedies.
The Gardener and the Chef: Heirloom Tomatoes
Learn practical cooking and modern plating techniques that exemplify the diversity of heirloom tomatoes.
The Traveling Tomato and Other Versatile Veggies
Join Epic Tomatoes author Craig LeHoullier as he shares tips for growing the best vegetables.
Weed Identification (Fall)
Classroom instruction and field observation will focus on life cycles, key characteristics, and plant structures.
Tips for Turf Diagnosis (Fall)
Learn signs, symptoms, and management strategies to remedy common turfgrass problems.
Grow & Know: Dahlias
Take a trip with us to The Farm at Oxford and get a chance to learn from dahlia grower extraordinaire Mara Tyler.
Pest Identification (Fall)
Explore our vast outdoor landscape and identify common pest signs and symptoms with an IPM specialist.
Amazing Autumn Container Workshop
Build your own amazing autumn-themed container that will remain vibrant throughout the season.
Champion Tree Tour of Bucks County (Fall)
This pleasurable trip will have you on the lookout for the biggest, tallest, and oldest trees in our region.
Identifying Invasives (Fall)
Join our Natural Lands experts to explore the life history, identification, and management of invasive plants in our region.
