On-Demand Programs
Learn about ecology-based landscape design and gardening anytime.
View previously-held virtual NDAL programs at your leisure. Register for a program below, and it will be available in your Participants Portal Dashboard for 3 months.
Featured bundle: Register for the Larry Weaner On-Demand Bundle to view 7 virtual sessions, with access for one year. Scroll down for details.
Keep checking this page for newly added on-demand programs!
Jump to Professional Programs
CEUs available
Professional Programs
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An old horticultural adage, “You don’t really know a plant until you’ve killed it,” suggests that gardeners can learn as much from their mistakes as their successes. In 1982, when Larry founded his landscape design-build firm, little practical guidance was available for translating landscape ecology into designed environments. Consequently, the need to experiment was instrumental in developing some of the protocols that guide his practice today. But as is the way with experiments, not all yielded the expected result. In this session Larry will show how these wayward experiments led to more effective protocols. His presentation will help attendees to skip over the “experimental” and proceed directly to the “proven.” He will also illustrate how to insert small experiments into landscape projects, allowing the learning process to continue indefinitely.
Duration: 1 hr. 40 min.
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
Held live: July 19, 2022
CEUs approved: 1.25 LA CES HSW (stay tuned for more CEU types)
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“Seeing lots of bees” does not necessarily mean that a landscape is pollinator-friendly. While activity at the pollination scale has repercussions throughout the food web, most current efforts only benefit a few common species, rather than the range of wild pollinators needed for real ecosystem resiliency. In this presentation we will explore scalable, replicable models of plant selection and habitat design for a variety of landscape environments including campuses, conservation properties, public parks, working lands, and residential gardens. We will also explore how each of these landscape types can serve as building blocks for linking intact natural areas across our existing fragmented landscape.
Duration: 1 hr. 15 min.
Fee: $32
Held live: March 19, 2024
CEUs approved: 1.25 LA CES HSW (stay tuned for more CEU types)
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Spontaneously occurring plants and plant communities are typically either eliminated or neglected. Our two presenters will discuss more nuanced and selective approaches for managing the mix of native and exotic species that typically colonize our urban and suburban landscapes.
Part 1: Jack Ahern will discuss prevailing and alternative attitudes towards invasive exotic plants. He will also discuss ways to influence spontaneous vegetation in a manner that is both desirable and attainable including soil/substrate issues, selective removal methods, adaptive management, and managing public expectations.
Part 2: Larry Weaner will show how an understanding of the life cycles, proliferation strategies, and environmental vulnerabilities of plants, desirable and undesirable, can help practitioners more effectively influence the vegetative trajectory of spontaneous plant assemblages.
Duration: 3 hrs
Fee: $66
Held live: March 31, 2023
CEUs approved: 3 LA CES HSW (stay tuned for more CEU types)
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After fifteen years as the coordinator of the National Park Service Historic Landscape Initiative, Charles embarked on a visionary path and single handedly founded The Cultural Landscape Foundation (TCLF). TCLF is now the world’s leading cultural landscape advocacy organization,
and has brought awareness to, restoration of, and literally saved countless important landscapes worldwide. His many recognitions include The Rome Prize in Historic Preservation and Conservation and the ASLA medal. While “historic landscapes” may be Charles Birnbaum’s obvious calling card, his work to shepherd the practice of Historic Landscape Preservation into
the modern era makes him one of our most interesting and far-sighted landscape practitioners.Duration: 1.5 hrs
Fee: $28
Held live: Jan. 14, 2021
CEUs approved: 1.5 LA CES HSW (stay tuned for more CEU types)
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In this presentation Kristine will illustrate the results of her multi-year native lawn experiments at Cornell Botanic Gardens. She will discuss the species selection criterion, planting protocols, and management procedures that were employed. She will also discuss the native plant/insect/animal interactions that occurred during these trials, as well as the experimental lawn's ability to sustain itself over time with minimal additional inputs. Particularly when associated with other native plantings, these lawns can provide a key component for the maintenance reduction, habit creation, and visual delights that so many of today’s property owners desire.
Duration: 1.25 hrs
Fee: $32
Held live: April 16, 2024
CEUs approved: 1.25 LA CES HSW (stay tuned for more CEU types)
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Through this presentation, we will discuss how in communities without invasive species, restoring a natural hydrological or fire regime can be enough to foster spontaneous native species regeneration from existing plants and seed banks. We will illustrate how native wetland communities were restored, without planting, on a series of retired cranberry bogs. Atlantic white-cedar (Chamaecyparis thyoides) swamps were used as a reference site, and we found that all sites where natural systems were re-established were recovering strong native plant communities, regardless of the level of previous disturbance and restoration activities.
Duration: 1 hr. 10 min.
Fee: $32
Held live: Feb. 10, 2021
CEUs approved: 1 LA CES HSW (stay tuned for more CEU types)
CEUs available
Recordings viewable for 3 months from registration date
Home Gardener Programs
Recordings viewable for 3 months from registration date
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In this presentation Kristine will illustrate the results of her multi-year native lawn experiments at Cornell Botanic Gardens. She will discuss the species selection criterion, planting protocols, and management procedures that were employed. She will also discuss the native plant/insect/animal interactions that occurred during these trials, as well as the experimental lawn's ability to sustain itself over time with minimal additional inputs. Particularly when associated with other native plantings, these lawns can provide a key component for the maintenance reduction, habit creation, and visual delights that so many of today’s property owners desire.
Duration: 1.25 hrs
Held Live: April 16, 2024
Fee: $32
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Selecting and arranging plants is central to - if not the heart of - fine garden design. Plant community-based design is no different; it simply uses natural vegetative models as its primary template. In this presentation, Larry will illustrate how to associate plants with their preferred environment, create plant compositions that function as integrated communities, and accommodate compositional change over time. But the word garden is not lost in this “wild” shuffle. He will conclude by revisiting fine garden design to show how an ecology-based plant palette can express, and even enhance, many different landscape styles.
Duration: 1 hr. 30 min.
Held Live: Oct. 20, 2023
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
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In nature, plants spend millenia evolving strategies to more efficiently procreate. In the garden, we arrest that procreation by weeding virtually every individual that we didn’t plant. Over the last 40 years Larry Weaner has learned to plan for and “edit” spontaneous vegetation within his designed landscapes. Much of these landscapes’ ecological value, reduced management requirements, and experiential dynamism have resulted from this approach, a skill that was largely honed on large properties. Here however, Larry will refocus on the small residential landscape, exploring the practical, ecological, and experiential benefits that loosening the vegetative reigns can provide…even where space is tight and neighbors are close.
Duration: 1 hr. 30 min.
Held Live: Oct. 31, 2023
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
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Experiencing wild nature needn’t be limited to the remotest regions of the world. It can occur in even the smallest backyard garden. Learn how noted landscape designer Larry Weaner interacts with and responds to ecological processes to create an ever-evolving wild yet still ornamental garden in his small property outside Philadelphia. Learn how this brains-over-brawn approach goes beyond simple editing of what occurs naturally and incorporates natural processes and plants’ reproductive abilities to achieve common aesthetic and functional goals. And perhaps most importantly, discover how loosening the reins can bring a newfound mystery and discovery to even the smallest garden.
Duration: 1 hr. 40 min.
Held Live: April 21, 2023
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
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An old horticultural adage, “You don’t really know a plant until you’ve killed it,” suggests that gardeners can learn as much from their mistakes as their successes. In 1982, when Larry founded his landscape design-build firm, little practical guidance was available for translating landscape ecology into designed environments. Consequently, the need to experiment was instrumental in developing some of the protocols that guide his practice today. But as is the way with experiments, not all yielded the expected result. In this session Larry will show how these wayward experiments led to more effective protocols. His presentation will help attendees to skip over the “experimental” and proceed directly to the “proven.” He will also illustrate how to insert small experiments into landscape projects, allowing the learning process to continue indefinitely.
Duration: 1 hr. 40 min.
Held Live: July, 19, 2022
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
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Wildflower meadows were introduced in the 1960’s along with tie dye tee shirts and kaleidoscopic acid trips. But like those acid trips, the colors didn’t last. Alternatively, by planting site-adapted and highly competitive native perennials, managed according to the ecological processes that govern native meadow vegetation in the wild, long-lived vibrant meadows can be consistently achieved. In this presentation plant selection criteria, planting procedures, and management techniques will be illustrated through a series of residential case studies, including some over two decades old.
Duration: 1 hr. 40 min.
Held Live: Feb. 15, 2022
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
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Using native plants requires more than simply expanding the conventional design palette. Based on observation of how native plants develop in nature, new design, implementation, and management techniques emerge, many of which are diametrically opposed to traditional horticultural practice. This presentation examines how alternative approaches on everything from selecting, arranging, and spacing plants to the simple act of weeding can yield more easily maintained landscapes that express the beauty and ecological richness of our native landscapes.
Duration: 1 hr. 40 min.
Held Live: June 9, 2020
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
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One picture can tell a thousand lies. Behind many a stunning garden image lies countless hours of weeding, fussing, and re-planting. This presentation will illustrate how a “brains over brawn” gardening approach - one that embraces natural ecological processes of vegetative change - can result in landscapes that are easier to maintain, leaving more time to simply enjoy.
Duration: 1 hr. 25 min.
Held Live: June 23, 2020
Fee: $38 (or register for Larry Weaner On-Demand Variety Bundle of 7 sessions for $225)
View multiple sessions for a discounted rate!
Larry Weaner On-Demand Bundle
Explore ecology-based landscape practice through the eyes of one of its most highly respected and influential practitioners. Watch recordings of Larry Weaner’s lectures at your leisure over the course of a year.
This On-Demand Bundle is geared toward home gardeners and novice landscape practitioners who are interested in gaining a deeper understanding of this approach to land stewardship.
Level: Beginner - Intermediate
Fee: $225
Recordings viewable for 1 year
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Artful Plant Community Design: Selection-Arrangement-Stewardship
Wild Residential: Accommodating Spontaneous Vegetation
Living in the Wild: My House
You Don’t Really Know a Plant Until You’ve Killed It: The Educational Value of "Mistakes"
Native Meadows: Let’s Get Real
Breaking the Rules: Ecological Alternatives to Traditional Garden Design
Dealing with Weeds, Deer, and Other Garden Hurdles
FAQs
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Three months from your date of purchase, or 1 year for the Larry Weaner On Demand Bundle.
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CEUs are only available for sessions listed as Professional Programs.
The following CEU types are approved for Professional On Demand Programs:
Landscape Architecture Continuing Education System (LA CES)
Chesapeake Bay Landscape Professional (CBLP)
We are seeking CEU approval for the following (details to come):
APLD
NOFA
SER -
After you register, the on-demand program is listed and accessible in your Participants Portal Dashboard when you're signed into the Portal.
