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Peony Care: Fall Prep for a Beautiful Spring Bloom

Above, left to right: With some fall prep, this is what your peonies will look in the spring. This is a view of the Nichols Arboretum Peony Garden, which will celebrate its 100th anniversary in 2022. Center: powdery mildew on peony leaves. Right: botrytis fungus on...

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Invasive of the Week: Asian Bittersweet

Invasive bittersweet fruit in early fall in a southeast Michigan park.It's easy to spot invasive bittersweet in the fall.In farmers markets and shops this time of year you might come across Asian bittersweet (Celastrus orbiculatus) for sale as part of a seasonal...

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Invasive Plant of the Week: Narrowleaf Bittercress

The flowers of narrowleaf bittercress. Photo: Lower Hudson Partnership for Regional Invasive Species.The first-year rosette of narrowleaf bittercress. Photo: Wikimedia Commons.By Joseph Mooney Invasive of the Week: narrowleaf bittercress, Cardamine impatiens. We’ve...

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Invasive Plant of the Week: Amur Honeysuckle

Amur honeysuckle berries in early fall.Amur honeysuckle flowers. Surprisingly fragrant. Photo: Plant Image Library.The invasive honeysuckles employ the neat trick of leafing out in early spring. This shades out native plants and give the honeysuckle a competitive...

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Invasive of the Week: Spotted Lanternfly

The adult spotted lanternfly is quite beautiful. Photo: Getty Images.An adult spotted lanternfly with its wings closed.Spotted lanternfly nymphs in an instar (phase between molting) that's very close to when the insect becomes an adult. Photo: Pennsylvania Department...

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Matthaei Botanical Gardens Conservatory: Then & Now

Then & Now: We're digging into our past and reflecting on the many changes our properties have gone through. Construction on the Dixboro property began in 1958. The conservatory was the last to be completed, eight years later. Several updates have been made since...

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Invasive Plant of the Week: Autumn Olive

Ripe autumn olive berries showing their characteristic speckles.The tops of autumn olive leaves are dark green.The underside of autumn olive leaves is always a soft grayish green.Autumn olive branches and bark.By Emily Lilla & Joseph Mooney This week autumn olive...

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