Resources for landscapes and gardens in the Midwest
Search Results: weed
One of the most common weeds that present significant challenges to both landscapers and growers are thistles. There are several reasons that thistles are difficult to control, including thousands of viable seeds per plant (Fig. 1), rhizomatous growth characteristics (Canada thistle) (Fig. 2), and large root system (Fig. 3). There[Read More…]
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The Purdue Landscape Report Team is excited to offer you an online learning opportunity on Wednesday, August 19th at 12:00 pm (Eastern) via Zoom and Facebook Live. This is part of our on-going, biweekly series. The topics and speakers will vary each session, so check out the newsletter every two[Read More…]
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Hollyhock (Alcea spp.), an anchor plant for the back of the cottage garden, bloom mid-summer with numerous flowers on tall spikes, providing beauty for us, and food for bees, hummingbirds and butterflies. The most common varieties are biennial, taking two years to complete their lifecycle, although some persist as short-lived[Read More…]
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Preemergence herbicides should be the primary tool for a landscape weed control program. The primary reasons to develop a strong preemergence herbicide program are 1) Decreased phytotoxicity (plant damage) to landscape plants and 2) Reducing the amount of times required to visit a property. With the difficulty of attracting quality[Read More…]
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Many are familiar with Rhizosphaera needlecast of spruce. If you aren’t, please see these two articles by Janna Beckerman and Megan Haas for more information about the disease and it’s management on spruce. The common name for the disease, needlecast, describes the ultimate fate of the needles: they are cast[Read More…]
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Gray mold (causal agent = Botrytis cinerea) is one of the most common diseases affecting bedding plants. Host commonly include (but are not limited to): begonia, carnation, chrysanthemum, cyclamen, geranium, impatiens, marigold, million bells, petunia, vinca and zinnia. Fortunately, gray mold is one of the easiest diseases to manage. By[Read More…]
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Soil is the ‘lifeblood’ of plant health. Many people tend to focus more on above ground portions of the plant than the below ground environment. We should always remember that a plant is only as healthy as its roots. Knowing the basics of soils will help in understanding the health[Read More…]
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The presence of these hornets in the United States is could be bad news for honeybees and native insects alike but there’s no need to panic yet.
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Usage of mulch at the base of trees is a very common and recommended practice to protect the trunk from mower damage, as well as improve root conditions by preventing weed and grass growth in the root zone. Mulch also increases moisture retention in the soil, and improves soil quality[Read More…]
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The 2019 season provided challenges that were unexpected to the Green Industry, which included an abundance of rainfall followed by drought-like conditions, new invasive pests, concerns about glyphosate use, and many others. The Purdue Landscape Report focuses on timely articles that help Green Industry professionals make decisions for their business[Read More…]
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If your hostas are looking a little ratty recently you’re not alone (all the photos here are from my garden). Hostas at this time of year tend to have marginal scorch, dieback, leaf spotting and yellowing . A variety of factors may contribute to these symptoms including environment, diseases and[Read More…]
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White mold, caused by the fungus Sclerotinia sclerotiorum, is a specific fungal pathogen that infects several hundred species of plants from more than 75 different families, resulting in death of the infected plant (Fig. 1). Many of the most popular annuals and perennial plants have been reported to be susceptible to[Read More…]
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Last Tuesday, July 9th, we held our annual Purdue Turf and Landscape Field Day. The weather could not have been more ideal for a July day in Indiana. The morning started out with 23 dozen donuts, and gallons of coffee, at 9:00 am. After opening remarks, the groups broke up[Read More…]
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Don’t miss the 2019 Purdue Turf and Landscape Field Day on July 9th! Your opportunity to interact with Purdue Specialists, see the latest on-going research and best management practices, and network with others in the Green Industry. This is the premiere Green Industry education event that you’ll find this summer! https://www.mrtf.org/event/turf-and-landscape-field-day/?event_date=2019-07-09[Read More…]
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A question that I often receive goes something like…. ‘How do I control grassy weeds in liriope and iris?’ At first glance, it would appear that those ornamental plants are very similar to grasses, but looks may be deceiving as they are actually not grasses. We know that broadleaf weeds[Read More…]
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People with lawn equipment can accidentally damage a tree, especially young trees which can cause the tree to die.
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The Invasive Terrestrial Plant Rule was signed by Governor Holcomb and published on March 18, 2019. The rule goes into effect 30 days after publishing, so it will be effective later in April. The rule states with respect to the 44 plant species included on the rule: “a person must[Read More…]
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The Professional Landscape Management School is held annually in Evansville, IN. The two day conference for Green Industry professionals focuses on current, research-based best management practices. Leading experts and specialists will be speaking on various topics, such as insect and pest management, plant health care, weed control, and more. Continuing[Read More…]
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This short course has been cancelled for these dates. We’re working on a new set of dates to offer this program, so keep checking back with www.PurdueLandscapeReport.org for updated information. The Landscape Management Short Course is an immersive, condensed, intensive entry-level educational experience for personnel in the Green industry, as[Read More…]
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On May 2nd an apartment fire in Greenwood occurred that reportedly originated in the mulched landscape beds. Unfortunately 56 renters were displaced that day, but fortunately no injuries were reported. Several Indianapolis news organizations reported on the origins of the fire that included a couple of quotes that were[Read More…]
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