Overview (All sessions)

Japanese Knotweed Management

This session equips landscape managers with the knowledge and tools to identify, control, and prevent the spread of knotweed and other aggressive brush species.

Attendees will learn about integrated management strategies, including mechanical, chemical, and ecological approaches, along with timing and safety considerations for effective control.

From Pavement to Paradise: Retrofitting Parking Lots with Green Infrastructure in the Plaster Creek Watershed

Join us for a presentation about nature-based solutions for retrofitting underutilized and aging parking lots with native plants. This presentation will introduce various options for parking lot green infrastructure, then highlight lessons learned from two case studies of parking lot projects that Plaster Creek Stewards installed in the Plaster Creek Watershed.

High Performance Ornamentals for Midwest Landscapes (An ID-Forward Approach

Plant performance in the Midwest is driven less by aesthetics and more by soil realities, microclimate, and correct identification at the species and cultivar level. This session highlights reliable ornamentals—trees, shrubs, and small specialty species—that consistently succeed in our Midwest landscapes, including site-tolerant, underused, and contractor-friendly choices.

The Root of the Problem: Diagnosing Subsurface Issues that Kill Trees

Tree decline is often blamed on insects, diseases, or “mystery stress,” when the real cause lies below ground. This session provides arborists with a clear, repeatable framework for diagnosing subsurface issues, including compaction, fill layers, perched water tables, improper planting depth, poor soil structure, and legacy construction impacts.

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