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Boxwood blight is detected in Michigan

January 12, 2019 • Leave a Comment

Boxwood blight, a serious fungal disease that attacks boxwoods, has been detected for the first time in Michigan. The disease was found in Oakland County in three separate locations: a landscape firm, a homeowner’s yard, and holiday wreaths for sale at a retail store. The Michigan Department of Agriculture and Rural Development (MDARD) was also notified by the Wisconsin Department of Agriculture, Trade and Consumer Protection that infected boxwood may have been sold at other retail locations in Michigan.

“Boxwood blight is a devastating disease that has caused significant losses to homeowners and the nursery industry in states that already have the disease,” said Gina Alessandri, director of MDARD’s Pesticide and Plant Pest Management Division.

Boxwood blight produces dark brown leaf spots and causes rapid defoliation that sometimes kills young boxwoods. Boxwood blight first appeared in the 1990s in the United Kingdom and is now widely distributed in Europe. In the United States, the disease was first found in 2011 in Connecticut, North Carolina and Virginia, and has since spread to more than 24 states. Boxwood blight affects all species of boxwood. However, some species and cultivars are more susceptible than others. American boxwood and English boxwood are highly susceptible. This disease also affects the related shrub sweetbox, as well as pachysandra, a well-known groundcover. Boxwood and pachysandra are commonly used in commercial and residential plantings throughout Michigan.

Wreaths displayed outdoors are a potential concern if they are exposed to the elements. The biggest risk comes when people dispose of the infected wreaths after the holidays. MDARD recommends that anyone who has a wreath containing boxwood plant parts should consider it infected and dispose of it by burning or, even better, double-bagging and including it with their trash for deposit in a landfill.

Alessandri advised that anyone who suspects that they have plants infected with boxwood blight should contact their local MSU Extension office.

Famed rose breeder David Austin dies at age 92

January 3, 2019 • Leave a Comment

David Austin, the rosarian and founder of David Austin Roses Ltd., died in December, 2018 at age 92. Over the past 20 years, U.S. and Canadian gardeners came to know Austin as the creator of beautiful, fragrant English roses.

He bred more than 200 English roses during his extraordinary career. From a farming background, Austin developed a keen interest in old roses in his early twenties. He felt that although the old roses were charming and often had magnificent fragrances, they were lacking in the color diversity and repeat blooming common to the more modern hybrid teas. This belief was the basis for the collection of English roses that gardeners enjoy today. He set about creating an entirely new rose, which combined the beauty and fragrance of old roses with the benefits of modern roses. His first English rose was ‘Constance Spry,’ launched in 1961. Notable varieties include ‘Gertrude Jekyll’—twice voted England’s favorite rose—and more recently, ‘Olivia Rose Austin.’

David Austin Jr., son and Managing Director of the company for the last 25 years said, “My father was a remarkable man. His love for the art of rose breeding was truly inspiring; he loved nothing more than seeing the pleasure that his roses gave to others.
His presence will be sorely missed within the global family company that he created. But the passion he instilled will continue and we will hold true to my father’s vision when he founded the company almost 50 years ago.”

Gardening could be the hobby that helps your longevity

December 11, 2018 • Leave a Comment

Dan Buettner has studied five places around the world where residents are famed for their longevity: Okinawa in Japan, Nicoya in Costa Rica, Icaria in Greece, and Loma Linda in California and Sardinia in Italy.

People living in these so-called “blue zones” have certain factors in common – social support networks, daily exercise habits and a plant-based diet, for starters. But they share another unexpected commonality. In each community, people are gardening well into old age – their 80s, 90s and beyond.
Could nurturing your green thumb help you live to 100?

It is well-known that an outdoor lifestyle with moderate physical activity is linked to longer life, and gardening is an easy way to accomplish both. “If you garden, you’re getting some low-intensity physical activity most days, and you tend to work routinely,” says Buettner.

He says there is evidence that gardeners live longer and are less stressed. A variety of studies confirm this, pointing to both the physical and mental health benefits of gardening.

Click here to read more…

Wanted: Sightings of Michigan’s largest trees for the Big Tree Hunt

September 17, 2018 • 2 Comments

Whether you’re out in the woods or wandering through city streetscapes, keep your eyes open—you may spot one of Michigan’s largest trees!

Started by ReLeaf Michigan in 1993, the Big Tree Hunt takes place every two years and helps catalog the state’s biggest trees. Your assignment: Seek out the most majestic trees in your area and report them, because tree-spotters can earn certificates and prizes. “This is a really fun reason to get out and enjoy nature,” said Melinda Jones, executive director of ReLeaf Michigan. “It also helps raise awareness and enjoyment of the trees in our landscape.”

The Big Tree Hunt is one way to discover candidates for the National Register of Big Trees, which so far includes 19 Michigan trees. The biggest tree spotted on the last hunt is a sycamore in Lenawee County with a 315-inch girth.

ReLeaf Michigan is a nonprofit group that encourages planting trees. Entries, either online or hard copy, will be accepted until September 3, 2019. Find out how to participate by visiting www.bigtreehunt.com or calling 800-642-7353.

Michigan Herb Associates makes donation to Michigan 4-H Children’s Gardens

July 24, 2018 • Leave a Comment

Members of Shoreline Herbarist present a ceremonial check for the Michigan 4-H Foundation to Norm Lownds, right, curator of Michigan 4-H Children's Gardens. The group helped raise funds at the convention through participating in the silent auction and herbal plant sale. — Members of Shoreline Herbarist present a ceremonial check for the Michigan 4-H Foundation to Norm Lownds, right, curator of Michigan 4-H Children’s Gardens. The group helped raise funds at the convention through participating in the silent auction and herbal plant sale.

During the 2018 Michigan Herb Associates (MHA) spring conference in Lansing, herb enthusiasts from throughout the state celebrated and learned about herbs. Through a silent auction and herbal plant sale, conference attendees raised $3,000 for Michigan 4-H Children’s Gardens. The Michigan State University Department of Horticulture graciously contributed the plants for the auction and sale.

Since its founding in 1987, MHA has donated more than $121,000 to the state’s 4-H Foundation in support of three specialty areas at Michigan 4-H Children’s Gardens: the Peter Rabbit Herb Garden, Garden of Delight, and Herbal Tea Garden. The gardens are located at Michigan State University in East Lansing.

“We are in a renaissance for edible gardening, and the increased attendance at MHA annual conferences echoes the rising interest in learning how to grow and use herbs,” said Jeanne Hawkins, MHA president. “Fresh herbs make everything else in the garden taste better, plus they are pretty and smell wonderful.”

Michigan Herb Associates is a statewide organization dedicated to sharing herbal knowledge. To learn more, click here.

North American Japanese Gardens Association presents event at Cranbrook

April 13, 2018 • Leave a Comment

Cranbrook Japanese garden. (Photo: Eric Franchy)

The North American Japanese Gardens Association (NAJGA) is holding a regional event at Cranbrook Gardens in Bloomfield Hills, Michigan on May 17-19, 2018. This event—”Creation & Rejuvenation: Six Japanese-Style Gardens in Michigan”—brings together garden professionals and hobbyists to explore the challenges and benefits of Japanese gardens in the Midwest using six case studies. Garden tours include the Cranbrook Japanese Garden, Freer House, McGregor Reflecting Pool and Sculpture Gardens, Kathleen and Milton Muelder Japanese Garden, Shigematsu Memorial Garden, The Richard & Helen DeVos Japanese Garden, and Frederik Meijer Gardens and Sculpture Park. Click here for more information.

Weird subterranean plant not seen in 150 years re-emerges from the underworld

March 5, 2018 • Leave a Comment

This is the first photograph ever taken of the bizarre and mysterious species.

In 1866, an Italian botanist named Odoardo Beccari was scouring through the jungles of Malaysia when he unearthed something truly alien-like: a plant, to be sure, but a plant with no leaves, no chlorophyll, and which did not perform photosynthesis and appeared to live underground. It looked more like a fungus or, perhaps more astutely, an insect or arachnid.

Beccari documented the discovery, filing away his illustrations and notes on the new species. And then, nothing. This weird, subterranean plant was never seen or heard from again.

That is, until just last year. Biologists from the Crop Research Institution in the Czech Republic happened to be exploring the exact same region of rainforest that Beccari had trudged through 151 years prior, when they spotted a bizarre flower poking through the leaf litter. They didn’t know it right away, but they had just rediscovered Beccari’s otherworldly plant. The picture above represents the first time the species has ever been photographed.

Dutch consortium solves the first tulip genome

February 2, 2018 • 1 Comment

Three leading Dutch organizations have been collaborating with the aim of making tulip breeding and production faster and more sustainable. Using the latest technologies, it is now possible to identify the DNA sequence of the common garden tulip genome (Tulipa gesneriana), one of the biggest genomes ever sequenced. Its size is estimated to be nearly 11 times larger than that of humans.

The tulip genome reveals how the DNA determines the characteristics of a tulip. DNA patterns that are linked to desirable characteristics will soon be used in advanced breeding so that these characteristics can be combined to give new, improved varieties. With this knowledge, new tulip varieties that are resistant to common diseases can be developed faster and in a more targeted way. This will also reduce the use of plant protection products.

Hans van den Heuvel, Director Research & Development at Dümmen Orange, says: “The tulip genome makes the human genome look tiny: the entire human genome fits into one tulip chromosome. With the technology that was available at the turn of the century, this job would have taken over 100 years—an impossible task. But now we can do it in a matter of days. Data analysis is in full swing and there is no doubt that it will produce information that will transform tulip breeding, making it faster, more predictive, and above all ‘greener’ because we will focus on varieties that can be grown sustainably.”

New LED Lighting Technology Installed in Michigan State Greenhouses

January 24, 2018 • Leave a Comment

Passengers flying into, or out of, the Lansing airport in the dark might notice a pink glow coming from the south side of the Michigan State University campus. The high pressure sodium (HPS) lights in the teaching greenhouses have been mostly replaced with LED lighting modules.

Why pink, and not bright white? It’s all about the usable light spectrum that plants need. Plants actually do best with the red and blue light, which appears pink when mixed. Plants reflect green light waves, which is why plants are green. MSU has purchased green-lensed glasses to counter the effects of the pinkish light on eyes. With the green “sunglasses,” things appear normal under the new lights. Reportedly, the electricity usage will be reduced by up to 50% compared to the old fixtures. The old fixtures also cast quite a large shadow over the plants during the day. The new LED’s are very narrow and barely noticeable above the benches.

Dr. Kristin Getter and Dr. Roberto Lopez were instrumental in pursuing this new technology
for the teaching greenhouses. In the two houses that Dr. Lopez will be using for his class, the HPS lights were kept in half of each house so he will be able to demonstrate the effects of light type on plant growth to his students.

So, the next time you’re flying over campus, just note that the pink glow is the newest in
lighting technology and impress your fellow passengers.

This Week: Documentary about renowned Dutch garden designer Piet Oudolf plays at DIA

December 31, 2017 • Leave a Comment

Piet Oudolf

On Thursday, January 4, 7:00 p.m., the Garden Club of Michigan and Friends of Detroit Film Theatre co-host a special screening of “FIVE SEASONS: The Gardens of Piet Oudolf,” a new documentary about the internationally renowned Dutch garden designer and plantsman Piet Oudolf.

Oudolf’s projects include The High Line (New York) and the Lurie Garden in Millennium Park (Chicago), as well as many others throughout the world. At the invitation of the Garden Club of Michigan, Oudolf has committed to design a garden in Detroit on Belle Isle. Piet Oudolf and filmmaker Thomas Piper will be present at the screening to discuss the Belle Isle garden proposal with audience members.

For more information, click here.
For tickets, click here.

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