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Spotlight on Weeds: Henbit (Lamium amplexicaule)

Biology:  Henbit (Lamium amplexicaule) is a common winter annual broadleaf weed found throughout the United States. It can often be mistaken for another closely related winter annual broadleaf, purple deadnettle. Both can be observed by their showy pink to purple flowers which are primarily produced in April, but can appear from[Read More…]

Spotlight on Weeds: Dandelion

Dandelion (Taraxacum officinale)     Family: Asteraceae Life cycle: Perennial Reproduces: Seed Flowers: 1-2” diameter yellow disk and ray flowers on long stalk. Leaves: Simple, lobed (variable), wavy margins (variable), 3-10” long originating from a basal rosette Seedlings: Dicotyledon that is smooth, yellow-green and lack hairs. Comments: A very prominent[Read More…]

Early Season Predictions: Methods to Predict Weed Emergence

Fill in the blank: Apply crabgrass preemergence herbicide when____________is in bloom. If you said forsythia, you would be correct.  Most of us have been told the answer to this for many years, but have you ever thought to yourself, ‘Is it true?’ There are many ways that people make decisions[Read More…]

Welcome to the 2026 Purdue Landscape Report

As we step into a new year, the Purdue Landscape Report team is excited to welcome you to the first newsletter of 2026. Whether you are a long-time reader, a landscape professional, an arborist, a nursery grower, or a homeowner invested in the health and beauty of your landscape, we’re[Read More…]

Mulching Matters: Autumn Application for Spring Success

As the Midwest gardening season winds down, there’s still one task that can make a big difference come spring: mulching. Once the soil has cooled but before it freezes, a layer of mulch helps protect plant roots from the freeze-thaw cycles common in Midwestern winters. Mulch stabilizes soil temperatures, conserves[Read More…]

New Ag Climate Dashboard makes climate resources more accessible for Midwest farmers

The Midwestern Regional Climate Center (MRCC), with support from the United Soybean Board, has launched the Ag Climate Dashboard — a centralized digital hub offering streamlined access to integrated climate and agricultural data and decision-support tools for producers, advisors and researchers in the Midwest. Designed to support on-farm decision-making, the Ag Climate Dashboard offers up-to-date[Read More…]

When purple coneflowers are not purple: Aster Yellows and Eriophyid mites

Purple coneflower, Echinacea purpurea, is an old native standby that can thrive even in some difficult landscapes. With beautiful purple flowers and the ability to reseed and fill an area, it has been used widely, especially in gardens comprised primarily of native plants; however, they are not without their problems.[Read More…]

Purdue Turf and Landscape Field Day Recap: Don’t miss this event in 2026!

The 2025 Purdue Turf and Landscape Field Day took place on July 8 at the W.H. Daniel Turfgrass Research and Diagnostic Center in West Lafayette, drawing professionals from across Indiana and the Midwest. In addition to the 350 attendees, there were 30 exhibitors featured in the trade show. The event[Read More…]

Purdue Turf and Landscape Field Day-July 8, 2025

Don’t miss the 2025 Purdue Turf and Landscape Field Day on Tuesday, July 8, at the William H. Daniel Turfgrass Research and Diagnostic Center in West Lafayette, Indiana. This annual event offers turf and landscape professionals an opportunity to engage with the latest research, technologies, and best practices in the[Read More…]

Beauty and Bounty: The Perennial Edible Landscape

A perennial edible garden offers an opportunity to integrate beauty and utility. By incorporating fruit trees, berry bushes, and other long-lived edible plants, the home landscape can be both aesthetically pleasing and agriculturally productive. A perennial edible garden not only provides seasonal harvests but also supports local biodiversity.  Plan(t) for[Read More…]

What the Fluff?!

As summer comes to a close, plants are rapidly releasing seeds and the most noticeable are the flying fluffy type. Thistles, asters, and milkweed are just a few of the summer-flowering plants that depend on the wind to disperse their seeds, sometimes carrying them miles away to potentially suitable locations,[Read More…]

When Roundup Isn’t Roundup: Clearing up the confusion between products

In the last newsletter, an article on triclopyr (www.purduelandscapereport.org/article/the-summer-of-triclopyr-mounting-evidence-for-off-target-damage/) brought up much discussion on the Roundup brands now containing multiple active ingredients other than glyphosate. Professionals in the industry may encounter a client with herbicide damage symptoms that mimic growth-regulator injury instead of typical glyphosate damage symptoms. While the client[Read More…]

Purdue Turf and Landscape Field Day – After the Storm

On Tuesday, July 16, 2024 the Purdue Turf Program, the Purdue Green Industry Working Group and the Midwest Regional Turf Foundation successfully hosted the Purdue Turf and Landscape Field Day. The day didn’t start off as we had planned as our tent, capable of seating 500 people, was destroyed overnight[Read More…]

Spotted Lanternfly is on the Move!

Spotted lanternfly is continuing to spread through Indiana.

Registration Open for Diagnostic Lawn Training: August 1st, 2024

Join the Turf Specialists for Lawn Care Diagnostic Training on August 1, 2024. Click here to register “The Purdue Turfgrass Program created Diagnostic Training Events in 2011 to provide turf industry professionals the opportunity to learn in a hands-on, demonstration fashion. Participants will learn concepts through presentations in the classroom[Read More…]

So, the saying goes… Save the Stems, Leave the Leaves, and No Mow May

Gardeners are bombarded with sayings like save the stems, leave the leaves, and no mow May. These sayings are rooted in the same goal of protecting pollinators, but often leave gardeners with more questions. Let’s dig into each of the sayings. Save the stems: The first question that often arises[Read More…]

Viruses of Hydrangea

Hydrangea L. (family Hydrangeaceae Dumort) is an all-encompassing description of a group of herbaceous and woody flowering plants, composed of more than 80 species native to Asia (including Japan), Indonesia, the Americas. Popular hydrangea species include the bigleaf hydrangea (Hydrangea macrophylla), also known as French hydrangea, panicled (peegee) hydrangea (H. paniculata), oak-leaf hydrangea (H. quercifolia)[Read More…]

Consider Fall Eradication of Asian Bush Honeysuckle

Asian bush honeysuckle (Lonicera spp.) is an extremely invasive plant that is a serious problem in most areas of the Midwest.  These invasive plants grow very fast, especially along woodland edges, and shade out most of the understory plants that are found in these areas.  Honeysuckle can also significantly reduce[Read More…]

Fall Brings Football & A Lawn Policy Shift

Later this week, fall finally brings the respite of cooler temperatures and a much-needed drink of rainfall. While the cool-season species such as tall fescue and Kentucky bluegrass that dominate most of the Indiana lawnscape revel in this well deserved breather from disease pressure and high temperature stress, the metabolism[Read More…]

The Perennial Garden: Fall Planting and Propagation

Planting may not be the first chore that comes to mind when considering the fall garden, but as Purdue Urban Forestry Specialist, Ben McCallister mentioned in the last issue, it’s an excellent time to install a new tree1. However, trees aren’t the only thing that can be added to the[Read More…]

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