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2019 Mar 30

The American Chestnut: When Will It Flourish Again?

9:00am to 12:30pm

Location: 

Weld Hill Research Building

The American chestnut could be the first tree ever restored to its native forest after suffering from a devastating airborne blight in the early 1900s that killed billions of trees.

Join us for a thought-provoking gathering as experts share perspectives on the history of American chestnut (Castanea dentata), its significance as a forest species, and subsequent decimation by an invasive blight pathogen, Cryphonectria parasitica. Ongoing research in blight tolerance and the addition of blight-tolerant genes are the prognosis for this tree’s future....

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2019 Mar 28

Photographing the Landscape (Multiple Sessions)

6:30pm to 8:30pm

Location: 

Hunnewell Building

8 Thursdays: March 28, April 4, 11, 18, 25, May 2, 9, 16, 6:30–8:30pm

Location: Hunnewell Building, Arnold Arboretum

Demand more from your landscape photographs than just a depiction of a beautiful sunset or seascape. Broaden your photographic vision and push your landscape photographs to be more creative and dynamic. Capture the landscape (both rural and urban) with new and refreshing perspectives by means of weekly class assignments. You...

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2019 Mar 25

Simulcast: Giving Voice to Nature: with Richard Powers, Robin Wall Kimmerer, and William (Ned) Friedman

7:00pm to 8:15pm

Location: 

Hunnewell Building

SIMULCAST VIEWING: Richard PowersRobin Wall Kimmerer, and Arnold Arboretum Director William “Ned” Friedman will join voices in this guided conversation about trees. Melding readings with discussion; drawing on mystery, lore, and science; they will convey the challenges and rewards of trying to represent non-humans—speaking both for and as the trees. Register early for this animated and enriching...

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2019 Mar 24

Tree Spotters Citizen Science Program: Basic Training (Multiple Sessions)

10:30am to 12:00pm

Location: 

Hunnewell Building

Multiple Sessions: March 24 10:30-12:00pm [HB], April 20, 10:30-12:00pm [WH], April 27, 10:30-12:00pm [HB], May 5, 10:30-12:00pm [HB]

With nearly 4,000 different kinds of plants represented in the Arboretum's living collections, every day presents rich opportunities to see something new. If you enjoy learning about plants and their unique characteristics, you can contribute to science as a participant in our Tree Spotters program. This citizen science project opens a window into the Arboretum's phenology: the timing of natural events, such as the leafing...

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2019 Mar 23

Pruning Project: Hydrangeas

10:00am to 12:00pm

Location: 

Hunnewell Building
Confused about how to prune your hydrangeas to maximize flowering and increase health? You are not alone! Join Jen Kettell for a lively discussion on the species behind the hot trade names and how to prune them. In addition, Jen will focus on how to match appropriate plants to your site conditions. She’ll suggest which species are drought-tolerant or benefit pollinators and other essential growing tips. Jen will focus on hydrangeas that are hardy in Zones 5-7. Class includes an indoor lecture and walk to a demonstration in the Leventritt Shrub and Vine Garden. 

Fee $25... Read more about Pruning Project: Hydrangeas
2019 Mar 17

Family Hike: Is It Spring Yet?

2:00pm to 3:30pm

Location: 

Hunnewell Building
Families need nature at all times of the year! Meet inside the main gate at 125 Arborway. We’ll search for signs of spring along Meadow Road, looking for flowers, insects, birdsong, and more! Free and open to all. For more information call 617-384-5209.

In case of inclement weather, contact 617.384.5209.
2019 Mar 16

Grafting Woody Plants

9:00am to 12:30pm

Location: 

Dana Greenhouse Classroom, Arnold Arboretum
Grafting is the technique of joining parts of separate plants in such a manner that they unite and continue their growth as one. Learn basic principles of grafting with an overview of different types of dormant-season grafts. Arnold Arboretum propagator Sean Halloran will provide step-by-step instructions so that you can practice both cleft and side veneer grafts using apple root stock. Simple after-care will be required until planting out in springtime. Registrants will need to sign an Assumption of Risk and Release in order to participate in this class.
Fee $62 member, $75... Read more about Grafting Woody Plants
2019 Mar 16

Planning and Creating a Compact Orchard

9:00am to 11:00am

Location: 

Wakefield Estate, Milton, MA
Become a backyard orchardist and grow your own fruit! Even with a small yard, you can enjoy fruit from your own trees with minimal effort and cost. This step-by-step workshop will teach you all you need to know to plan and create a compact orchard for years of enjoyment. Participants will spend part of the workshop outside in the orchard for a pruning demonstration, so dress accordingly. Space is limited; pre-registration required.
Fee $20 member, $30 nonmember

Offered with the Mary M. B. Wakefield Charitable Trust

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2019 Mar 14

Botany Blast: Triggers in Trees

6:30pm to 7:45pm

Location: 

Hunnewell Building
To understand how a tree develops, it is helpful to understand what leads to change. In this Botany Blast, Jake Grossman, a plant ecophysiologist and community ecologist, will explain what’s happening inside a tree that makes leaf buds break, initiates flowering or the dropping of leaves. Bring your questions and delve into the signals and processes that trigger events in trees. Botany Blasts are created for the Arboretum’s Tree Spotter Volunteers to help them better understand the phenological events they are recording in the landscape, but all are welcome to participate. 

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2019 Mar 09

Cultivating Legacies: New England Women in Horticulture and Landscape Design

9:30am to 1:00pm

Location: 

Hunnewell Building

Women are often overlooked when we discuss individuals who had great impact on botany and landscape design of the 20th century. The Arnold Arboretum was one of the few institutions in America that encouraged women to study with and be mentored by established botanical and landscape design professionals.

Mary (Polly) Wakefield Eleanor Cabot Bradley, Martha Brookes Hutcheson, Marian Roby Case and Marjorie Russell Sedgwick developed exceptional personal garden spaces and designed outstanding professional landscapes, and were also very active in the conservation and...

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2019 Mar 05

Native Bees in the Hood

6:30pm to 8:30pm

Location: 

Hunnewell Building

Perhaps surprisingly, urban environments support a high diversity of native bee species. But where are they living and what are they eating? In this workshop, you will first learn about the biology and diversity of native bees and why they are important pollinators. We’ll dive into the city lifestyles of bees and the strategies they employ to be successful in these anthropogenic landscapes. In the second part of the workshop, we’ll focus on native bee decline and conservation, and learn answers to common questions such as: Why are bees dying? Do all bees need saving? What can I do to...

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2019 Mar 03

Get Rooted in Urban Gardening

Repeats every week every Sunday until Sun Mar 10 2019 . Also includes Sun Mar 31 2019, Sun Apr 07 2019.
2:00pm to 4:00pm

2:00pm to 4:00pm
2:00pm to 4:00pm
2:00pm to 4:00pm

Location: 

Hunnewell Building

Catherine Chamberlain, MSc, Biodiversity and Conservation, Trinity College Dublin and PhD student, Organismic and Evolutionary Biology, Harvard University; Wayne Daly, MSc, Biodiversity and Conservation, Trinity College Dublin, Assistant Property Manager, Habitat SanctuaryCat and Wayne will introduce basic gardening concepts and satisfy your desire to get growing. The class will include:

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2019 Mar 02

Arboretum for Educators

Repeats on the first Saturday of April, May, June until Sat Jun 01 2019 .
9:00am to 11:30am

9:00am to 11:30am
9:00am to 11:30am
9:00am to 11:30am

Location: 

Hunnewell Building

Arboretum for Educators monthly explorations are a professional development opportunity for elementary and middle school teachers to introduce the Arboretum landscape as an outdoor classroom. Participants learn about specific hands-on life science topics that may be used or adapted by teachers for their own classrooms and outdoor spaces. Meet and network with other like-minded educators, and engage in life science learning.

Free, but ...

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2019 Feb 28

Do Your Garden Plants Have a Backstory?

7:00pm to 8:15pm

Location: 

Hunnewell Building
Museums assign value to their collections by understanding each piece’s backstory – for instance, where did it come from, who created/collected it, what does it represent, what feeling does it elicit from a visitor? The plants in our own gardens can and should do the same, but too often have become generic and mundane because we have forgotten their backstories. Perhaps even worse, we may be losing our own personal connections to what we grow. Michael Dosmann will provide his own perspective on how to re-engage with our garden plants in ways that make it personal.

Fee Free... Read more about Do Your Garden Plants Have a Backstory?

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