Trees are valuable assets designed to survive for decades to centuries, depending on species. However, not everything goes according to plan to due to human error. This session will look at preventable tree issues observed by a Consulting Arborist and how to mitigate them, beginning in the nurser...

With a vast world of plants to choose from, how does one narrow the field to make choices that will lead to successful outcomes? This session will examine one potential approach to plant selection — considering related plants within select plant families as a key to organizing choices for develop...

Jack de Vroomen and Gert Fortgens at iLandscape 2025
‘Keukenhof Gardens’, also called “The # 1 Showplace for the horticultural industry in the world’, is planted with 7,000,000 flower bulbs annually and attracts 1,500,000 visitors in 7 weeks’ time. The ‘Trompenburg Gardens & Arboretum’ historical...

Heather Prince at iLandscape 2025
Here in the Midwest, winter can feel almost never ending. Creating four-season landscapes is never easy, but perhaps it is most challenging in winter when the color palette shrinks, and the emphasis shifts to form over flower. This is an opportunity to consider p...

This panel will tackle tricky topics related to native plants, including: Have we oversold natives in a way that has tarnished them? How a “Backlash” on native plants affects members of the landscape industry. How to define “right plant, right place.” This phrase has meaning at different scales a...

Even in the South, winter can seem like an eternity. Plants with winter interest can make gray days more bearable by adding a spark of color and life to an otherwise dormant landscape. There are so many underutilized plants on the market today that not only flower, but have interesting bark, grea...

Have you ever gotten into a discussion about the “goodness” or “badness” of a non-native plant? How about a lecture on why native only landscapes are the only correct direction for horticulture to go? David will take you on a discussion of non-native plants and their positive impact on the world ...

Whether your garden is in a zero lot line neighborhood, or a sprawling country estate, the odds are you have a space where a straight and narrow plant is desirable. Your options are to either choose plants that are correct for the space, or force ones that are not into submission. Living walls ha...

When treating trees and shrubs for insects, mites, or diseases, applicators must be precise in their timing so that control can be established. We commonly use growing degree days to predict vulnerable stages of insects, mites, and diseases but with our climate shifting, growing degree days are n...

Plant breeders are constantly on the lookout for new varieties of woodies. While tried-and-trued trees will always have a place in designs, our panel will take you through new selections, what drives sales, and unusual replacements for overused varieties.

CERTIFIED ARBORISTS: Please click HER...

Safety is the most important aspect of how we care for teammates in our profession. Safety isn't just about following rules and regulations it is about how to recognize and reduce exposures. How leaders treat others has a direct impact on safety within an organization. Building a culture of safet...

Stay informed with the latest developments in forest health across Illinois in this comprehensive update. We’ll take a closer look at ongoing and emerging challenges facing our trees and landscapes, from the aftermath of past pests to the threats on the horizon. First, we’ll reflect on the Period...

The evidence is clear: Climate change is here. The effects that scientists have long predicted are occurring and will only intensify in coming years. What does this mean for our native flora and fauna? And what can one homeowner really do to mitigate a global crisis? Trevor Smith will take you pa...

Stay informed with the latest developments in forest health across Illinois in this comprehensive update. We’ll take a closer look at ongoing and emerging challenges facing our trees and landscapes, from the aftermath of past pests to the threats on the horizon. First, we’ll reflect on the Period...

Jason Reeves at iLandscape 2025
Whether your garden is in a zero lot line neighborhood, or a sprawling country estate, the odds are you have a space where a straight and narrow plant is desirable. Your options are to either choose plants that are correct for the space or force ones that are not i...

Gert Forgens at iLandscape 2025
In a small country such as The Netherlands (half the size of Illinois with 18,000,000 residents), changes in land use as well as changes in climate create opportunities for other ways of planning a green environment. For example, how to deal with an increase of urb...

Many heritage trees hold truly interesting stories. Learn from an experienced horticulturist and propagation expert, who has over 45 years of experience, clonal propagation techniques that can be used to preserve these special trees and why they are worth the special effort for your important cli...